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ู…ูˆุณูŠู‚ู‰
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ุจู†ูƒู…ู„ ุงู„ู€ section ุงู„ู„ูŠ ุงุจุชุฏุฃู†ุงู‡ ุงู„ู…ุฑุฉ ุงู„ู…ุงุถูŠุฉ ูˆู‡ูˆ
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ุงู„ู€ hyperbolic functions ุทุจุนุง ุนุฑูู†ุง ุงู„ุฏูˆุงู„
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ุงู„ุฒุงุฆุฏูŠุฉ ุงู„ุณุชุฉ ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ hyperbolic functions
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ุงู„ู„ูŠ ู‡ูˆ sinh x, cosh x, tanh x,
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coth x, sech x, csch x ูŠุจู‚ู‰ ู‡ู… ุงู„ู„ูŠ
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ุนุฑูู†ุงู‡ู… ุจุฏู„ุงู„ุฉ ุงู„ู€ exponential function e<sup>x</sup> ูˆ e<sup>-x</sup> ุซู…
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ุฑุณู…ู†ุง ุงู„ุฑุณูˆู…ุงุช ุงู„ุณุชุฉ ู‡ุฐุง ุขุฎุฑ ู…ุง ุฃุฎุฐู†ุง ุงู„ู…ุฑุฉ
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ุงู„ู…ุงุถูŠุฉ ุงู„ุขู† ููŠู†ุง ุจุนุถ ุงู„ู…ุชุทุงุจู‚ุงุช ุงู„ู…ุฑุชุจุทุฉ ุจุงู„ุฏูˆุงู„
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ุงู„ุฒุงุฆุฏูŠุฉ ูŠุจู‚ู‰ ุจูŠู†ุง ู†ูŠุฌูŠ ู‡ู†ุง ุงู„ู„ูŠ ู‡ูˆ some
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identities
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ุจุนุถ ุงู„ู…ุชุทุงุจู‚ุงุช
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ุงู„ู…ุซู„ุซูŠุฉ ุงู„ุชูŠ ุฏุฑุณู†ุงู‡ุง ููŠ Calculus A ุฃูˆู„ ู…ุชุทุงุจู‚ุฉ
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ูƒู…ุงู† cos<sup>2</sup> x + sin<sup>2</sup> x ูŠุณุงูˆูŠ 1
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ู‡ู†ุง ููŠ ู…ุชุทุงุจู‚ุฉ ู…ู†ุงุธุฑุฉ ู„ู‡ุง ุชู…ุงู…ุง ุฃูˆู„ ู…ุชุทุงุจู‚ุฉ ู…ู†
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ู‡ุฐู‡ ุงู„ู…ุชุทุงุจู‚ุงุช ูˆุญู†ู‚ูˆู„ ุงู„ู†ู‚ุทุฉ ุงู„ุฃูˆู„ู‰ ู…ู†ู‡ุง ุงู„ู„ูŠ ู‡ูŠ
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cosh<sup>2</sup> x - sinh<sup>2</sup> x ูƒู„ู‡ ุจุฏู‡ ูŠุณุงูˆูŠ ูƒุฏู‡ุŸ
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ุจุฏู‡ ูŠุณุงูˆูŠ 1 ุงู„ู„ูŠ ู‡ู†ุงูƒ ุชุจุน ุงู„ู…ุชุทุงุจู‚ุงุช ุงู„ู…ุซู„ุซูŠุฉ
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ูƒุงู†ุช ุจู…ูŠู† ุจุงู„ุฐุงุช ุงู„ุจุฑู‡ุงู† very easy ูƒูŠู very easyุŸ
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ุฃุจุฏุง ุงู„ู…ุฑุฉ ุงู„ู„ูŠ ูุงุชุช ูƒุชุจู†ุง cosh ุงู„ู„ูŠ ู‡ูˆ ุงู„ูƒูˆุด ูˆ
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sinh ูู‚ู„ู†ุง sinh x ู‡ูŠ e<sup>x</sup> - e<sup>-x</sup> ุนู„ู‰ 2 ูˆ ุงู„ุชุงู†ูŠ e<sup>x</sup> + e<sup>-x</sup> ุนู„ู‰ 2
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ุฑุจุน ุนุงุฏูŠ ูˆ ุฑุจุน ุนุงุฏูŠ ูˆ ุงุทุฑุญู‡ู… ู…ู† ุจุนุถ ุจูŠุทู„ุน ู…ู†ูƒ
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ูˆุงุญุฏ ุตุญูŠุญ ูˆ ูˆุงุญุฏ ุตุญูŠุญ ูˆ ุงุทุฑุญู‡ู… ู…ู† ุจุนุถ ุจูŠุทู„ุน ู…ู†ูƒ
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ูˆุงุญุฏ ุตุญูŠุญ ูŠุจู‚ู‰ very easy ู…ู† ู‡ุฐู‡ ุณุฃุฎุฑุฌ ุงุซู†ุชูŠู† ุงู„ุฃูˆู„ู‰
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ููŠู‡ู… ุดูƒู„ ุงู„ุชุงู„ูŠ ุงู‚ุณู… ุนู„ู‰ cosh<sup>2</sup> ูŠุจู‚ู‰ ู„ูˆ ู‚ุณู…ุช
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ุนู„ู‰ cosh<sup>2</sup> ูŠุจู‚ู‰ ู„ุฏูŠ 1 - sinh<sup>2</sup> ุนู„ู‰
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cosh<sup>2</sup> ูˆุงู„ูŠู…ูŠู† tanh<sup>2</sup> ูŠุจู‚ู‰ ู‡ู†ุง tanh
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<sup>2</sup> x ูŠุณุงูˆูŠ 1 ุนู„ู‰ cosh<sup>2</sup> ุงู„ู„ูŠ ู‡ูˆ ู…ู‚ู„ูˆุจ ู…ู†
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sinh<sup>2</sup> x ูƒู…ุงู† ู‡ุทู„ุน ูˆุงุญุฏุฉ ุซุงู„ุซุฉ ู…ู† ุงู„ุฃุตู„ูŠุฉ ุงู„ู„ูŠ
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ุนู†ุฏู†ุง ู‡ุฐู‡ ู‚ุจู„ ู…ุง ู‚ุณู…ุช ุนู„ู‰ cosh<sup>2</sup> ู‡ู‚ุณู… ุนู„ู‰ sinh
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<sup>2</sup> ูŠุจู‚ู‰ ู„ูˆ ู‚ุณู…ุช ุนู„ู‰ sinh<sup>2</sup> ุจูŠุตูŠุฑ cosh<sup>2</sup>
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ุนู„ู‰ sinh<sup>2</sup> ุงู„ู„ูŠ ู‡ูˆ coth<sup>2</sup>x - 1 ูŠุณุงูˆูŠ 1
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ุนู„ู‰ sinh<sup>2</sup> ุงู„ู„ูŠ ู‡ูˆ 1 ุนู„ู‰ csch<sup>2</sup> x
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ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐุง ูŠุจู‚ู‰ ุฏูˆู„ ุซู„ุงุซ ู…ุชุทุงุจู‚ุงุช ู„ูƒู†
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ููŠ ุงู„ุญู‚ูŠู‚ุฉ ู‡ูŠ ู…ุชุทุงุจู‚ุฉ ูˆุงุญุฏุฉ ู…ุด ุซู„ุงุซุฉ ู†ู‚ู„ุช ุงู†ุชุฑุง
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ุจุงู„ูˆู„ุฏู†ุงู‡ู… ู…ู† ุงู„ุฃุตู„ูŠุฉ ุงู„ู„ูŠ ู…ูˆุฌูˆุฏ ุนู†ุฏู†ุง ู†ู…ุฑ ุงุซู†ูŠู† ููŠ
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ุนู†ุฏู†ุง ูƒู…ุงู† ุงู„ู„ูŠ ู‡ูˆ sinh 2x ูŠุณุงูˆูŠ 2 sinh x
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ููŠ cosh x ุงู„ู„ูŠ ุงุซุจุงุช ุจุณูŠุทุฉ ุฌุฏุง ุนู†ุฏ ู‚ูŠู…ุฉ ุงู„ู€ sinh
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ูˆุนู†ุฏ ู‚ูŠู…ุฉ ุงู„ู€ cosh ุชุถุฑุจู‡ู… ููŠ ุจุนุถ ุชุถุฑุจู‡ู… ููŠ 2
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ุจูŠุทู„ุน ุนู†ุฏูƒ sinh 2x ุงู„ู„ูŠ ุจูŠุชุณุงูˆูŠ ู…ู† e<sup>2x</sup> - e<sup>-2x</sup> ุนู„ู‰ 2 ูŠุนู†ูŠ
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ูƒู„ x ุจูŠุฌูŠ ู…ูƒุงู† ู…ุฌุฏุงุด
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ูƒู„ x ุจูŠุฌูŠ ู…ูƒุงู† ู…ุฌุฏุงุด
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ุชุดุจู‡ ุชู…ุงู…ุง ุชุจุน ุงู„ุฏูˆุงู„ ุงู„ู…ุซู„ุซูŠุฉ ุงู„ู„ูŠ ู‡ูˆ sin 2x ูŠุณุงูˆูŠ 2
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sin x cos x ู†ู…ุฑ ุซู„ุงุซุฉ cosh 2x ุงู„ู„ูŠ ู‡ูŠ
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ุนุจุงุฑุฉ ุนู† cosh<sup>2</sup> x + sinh<sup>2</sup> x ู„ุง ุจุฒูŠุงุฏุฉ
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ุจู†ุงู‚ุต ุชุจุน 2 cos 2x cos 2x ุชุจุน
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ุงู„ุฏุงู„ุฉ ุงู„ู…ุซู„ุซูŠุฉ ูƒุงู†ุช cos 2x ูŠุณุงูˆูŠ cos
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<sup>2</sup> x - sin<sup>2</sup> x ู‡ุฐุง ุจู…ูŠู†ุŸ ุจุงู„ุฒุงุฆุฏ ููŠ ูƒู…ุงู†
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ุตูŠุบุชูŠู† ุฃุฎุฑุชูŠู† ู„ู€ cosh 2xุŒ ุดูˆ ุงู„ุตูŠุบุชูŠู† ุงู„ุงุชู†ูŠู†
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ู‡ุฏูˆู„ุŸ ูŠุณุงูˆูŠุŒ ู‡ุฐู‡ ุงู„ุตูŠุบุฉ ุงู„ุฃูˆู„ู‰ ู…ูƒุชูˆุจุฉ ุจุฏู„ุงู„ุฉ ุงู„ู€ sinh
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ูˆุงู„ู€ coshุŒ ุฃู†ุง ู…ุฑุฉ ุจุฏูŠ ุฃูƒุชุจู‡ุง ุจุฏู„ุงู„ุฉ ุงู„ู€ cosh ูˆู…ุฑุฉ ุซุงู†ูŠุฉ
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ุจุฏูŠ ุฃูƒุชุจู‡ุง ุจุฏู„ ุงู„ู€ 8 sinh ูŠุจู‚ู‰ ุจุฏูŠ ุฃุฏูŠ ู„ู„ุฃูˆู„ู‰ ุฃุฏูŠ ูˆ
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ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ
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ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ
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ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ
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ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ
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ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ
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ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูˆ ุฃุฏูŠ ูŠุจู‚ู‰ ู…ู† ู‡ู†ุง
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ู…ู† ุงู„ุฃูˆู„ู‰ sinh<sup>2</sup>x ูŠุณุงูˆูŠ cosh<sup>2</sup>x - 1 ุฅุฐุง ู„ูˆ ุดูŠู„ุช
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sinh<sup>2</sup> ูˆ ุญุทูŠุช ุจุฏุงู„ู‡ุง cosh<sup>2</sup> - 1 ุจูŠุตูŠุฑ 2 cosh<sup>2</sup>
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- 1 ูŠุจู‚ู‰ ู‡ุฐู‡ 2 cosh<sup>2</sup>
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from one ู…ู† ุงู„ุฃูˆู„ ุทูŠุจ ู‡ุฐุง ุงู„ุตูŠุบุฉ ุงู„ุซุงู†ูŠุฉ ุจุฏู„ุงู„ุฉ
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ู„ู„ุตูŠุบุฉ ุงู„ุซุงู„ุซุฉ ุจุฏู„ ู…ุง ูƒุชุจุชู‡ุง ุจุฏู„ุงู„ุฉ ุงู„ู€ cosh ุจุฏูŠ
64
00:06:20,920 --> 00:06:26,520
ุฃูƒุชุจู‡ุง ุจุฏู„ุงู„ุฉ 2 sinh ุฅุฐุง cosh<sup>2</sup> ู‡ุฐู‡ ู„ูŠู‡
65
00:06:26,520 --> 00:06:32,360
ุชุณุงูˆูŠ sinh<sup>2</sup> + 1 ุนู†ุฏูƒ sinh<sup>2</sup> ูˆ
66
00:06:32,360 --> 00:06:36,080
ุนู†ุฏูƒ sinh<sup>2</sup> ูŠุจู‚ู‰ 2 sinh<sup>2</sup> +
67
00:06:36,080 --> 00:06:42,950
ูˆุงุญุฏ ูŠุจู‚ู‰ ู‡ุฐู‡ 2 sinh<sup>2</sup> x + 1 ูˆู‡ุฐุง
68
00:06:42,950 --> 00:06:49,410
ูƒู…ุงู† from one ุฒูŠ ู…ุง ู‡ูŠ ุฅุฐุง ุฃุตุจุญ ุนู†ุฏูŠ cosh 2x
69
00:06:49,410 --> 00:06:55,270
ู„ู‡ุง ุซู„ุงุซ ุตูŠุบ ุฒูŠ ู…ุง cos 2x ู„ู‡ุง ุซู„ุงุซ ุตูŠุบ
70
00:06:55,270 --> 00:07:02,310
ุชู…ุงู…ู‹ุง ู…ุน ุงู„ูุฑู‚ ููŠ ุงู„ุฅุดุงุฑุงุช ุทุจ ุจุฏูŠ ุฃุฑูˆุญ ู„ู„ู…ุชุทุงุจู‚ุฉ
71
00:07:02,310 --> 00:07:08,300
ุงู„ุฑุงุจุนุฉ ุงู„ุฑุงุจุนุฉ ุจุฏูŠ ุฃุทู„ุนู‡ุง ู…ู† ุงู„ุซู„ุงุซุฉ ุงู„ุฑุงุจุนุฉ ู†ุทู„ุน
72
00:07:08,300 --> 00:07:15,980
ู…ู† ุงู„ุซู„ุงุซุฉ ูƒูŠูุŸ ุจุฏู‡ุง ุชุฌูŠุจ cosh
73
00:07:15,980 --> 00:07:21,740
<sup>2</sup> x ุจุฏู„ุงู„ุฉ cosh 2x ุจู†ู‚ูˆู„ ุจุณูŠุทุฉ ุฃู†ุฌู„ ุงู„ูˆุงุญุฏ ุนู„ู‰
74
00:07:21,740 --> 00:07:27,520
ุงู„ุดูŠุก ุงู„ุซุงู†ูŠ ูˆ ุงู‚ุณู… ุนู„ู‰ ู…ูŠู†ุŸ ุจุชุญุตู„ ุนู„ู‰ ู…ูŠู†ุŸ ุนู„ู‰
75
00:07:27,520 --> 00:07:35,240
cosh<sup>2</sup> x ุจุฏู‡ ูŠุณุงูˆูŠ ุชู…ุงู… ูŠุจู‚ู‰ cosh<sup>2</sup> x ู‡ุงุช
76
00:07:35,240 --> 00:07:41,640
ู‡ุงุช ู‡ู†ุง ุจูŠุตูŠุฑ cosh 2x + ูˆูƒู„ ู‚ุณู…ุชู‡ุง 2 ูŠุนู†ูŠ
77
00:07:41,640 --> 00:07:51,060
ุงู„ู†ุตู ููŠ ู…ูŠู†ุŸ ููŠ cosh 2x + 1 ุชู…ุงู… ู‡ุฐู‡ ู‡ูŠ ุงู„ู†ู‚ุทุฉ
78
00:07:51,060 --> 00:07:57,040
ุงู„ุฃูˆู„ู‰ ุงู„ู†ู‚ุทุฉ ุงู„ุซุงู†ูŠุฉ ุทุจุนุง ูŠุฌุจ ุฃู† ูŠุนู…ู„ู‡ุง ุจู†ูุณ
79
00:07:57,040 --> 00:08:01,560
ุงู„ุทุฑูŠู‚ุฉ ูŠุฌุจ ุฃู† ูŠุฌูŠุจ ู…ู† ู‡ู†ุง sinh<sup>2</sup> ูŠุจู‚ู‰
80
00:08:01,560 --> 00:08:08,580
sinh<sup>2</sup> x ูŠุณุงูˆูŠ ุทุจุนุง ูŠุฌูŠุจ ู…ู† ู‡ู†ุง ุนู„ู‰ ุงู„ุดุงุดุฉ
81
00:08:08,580 --> 00:08:14,300
ุงู„ุซุงู†ูŠุฉ ูŠุฌูŠุจ ู…ู† ุฅุดุงุฑุฉ ุณุงู„ุจ ูˆ ูŠู‚ุณู… ุนู„ู‰ 2 ูŠุจู‚ู‰ ู†ุตู
82
00:08:14,300 --> 00:08:21,900
ููŠ cosh 2x - 1 ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู†ุง ูˆ
83
00:08:21,900 --> 00:08:26,860
ุฑุฌุนู†ุง ุจุงู„ุฐุงูƒุฑุฉ ุฅู„ู‰ ุงู„ูˆุฑู‚ ู„ู„ุฏูˆุงู„ ุงู„ู…ุซู„ุซูŠุฉ ูƒุงู† ุนู†ุฏูƒ
84
00:08:26,860 --> 00:08:32,220
cos<sup>2</sup> x ูŠุณุงูˆูŠ ุงู„ู†ุตู ููŠ 1 + cos 2x
85
00:08:32,220 --> 00:08:39,440
ูˆูƒุงู† ุนู†ุฏูƒ sin<sup>2</sup> x ู†ุตู ููŠ 1 - cos 2x
86
00:08:39,440 --> 00:08:43,780
x ุงู„ูุฑู‚ ุจูŠู†ู‡ู… ุฅุดุงุฑุฉ ู†ุงู‚ุต ูˆู‡ุฐุง ุงู„ูƒู…ุงู„ ุงู„ูุฑู‚ ุจูŠู†ู‡ู…
87
00:08:43,780 --> 00:08:48,240
ุฅุดุงุฑุฉ ู†ุงู‚ุต ุฒูŠ ู…ุง ุฃู†ุช ุดุงูŠู ู‡ุฐุง ุงู„ู†ู‚ุทุฉ ุงู„ุฑุงุจุนุฉ ู†ุฌูŠ
88
00:08:48,240 --> 00:08:53,370
ู„ู„ู†ู‚ุทุฉ ุงู„ุฎุงู…ุณุฉ ุงู„ู†ู‚ุทุฉ ุงู„ุฎุงู…ุณุฉ ุจุฏูŠ ุฅูŠุงูƒูˆุง ุฃู† ุชุทู„ุนูˆู‡ุง
89
00:08:53,370 --> 00:08:58,830
ู„ุญุงู„ูƒู… ู…ู† ุชุนุฑูŠู ุงู„ุงุชู†ูŠู† ูƒูŠูุŸ ุจุฏูŠ cosh x
90
00:08:58,830 --> 00:09:04,530
+ sinh x ูŠุณุงูˆูŠ ูŠู„ุง ุงุฌู…ุน ู„ูŠ ุดูˆู ูˆุนู†ุฏูƒ ู‡ูŠ
91
00:09:04,530 --> 00:09:09,410
ู…ูƒุชูˆุจุฉ ู…ุนุงูƒ ู‡ูŠ ู‚ูŠู…ุฉ ุงู„ู€ cosh ุจุฏู„ุงู„ุฉ ุงู„ู€ exponential ูˆ
92
00:09:09,410 --> 00:09:12,670
ู‚ูŠู…ุฉ ุงู„ู€ sinh ุจุฏู„ุงู„ุฉ ุงู„ู€ exponential ูˆ ูŠู„ุง ุงุฌู…ุนูˆุง ูˆ
93
00:09:12,670 --> 00:09:19,450
ุงุนุทูŠู†ูŠ ุงู„ู†ุชูŠุฌุฉ ูŠู„ุง ู…ูŠู† ุฌู…ุนู‡ุงุŸ e<sup>x</sup> ูˆ x
94
00:09:19,450 --> 00:09:23,550
ุนู„ู‰ 2ุŸ ูŠุนู†ูŠ e<sup>x</sup> ูˆ x ุจุณ ูŠุจู‚ู‰ ุงู„ู†ุชูŠุฌุฉ ูุนู„ุง
95
00:09:23,550 --> 00:09:29,850
e<sup>x</sup> ูˆ x ู‡ุฐุง ุงู„ู†ู‚ุทุฉ ุงู„ุฃูˆู„ู‰ ุงู„ู†ู‚ุทุฉ ุงู„ุซุงู†ูŠุฉ ู„ูˆ
96
00:09:29,850 --> 00:09:37,930
ู‚ู„ุช cosh x - sinh x ูŠู„ุง ุงุนุทูŠู†ุง ุงู„ู†ุชูŠุฌุฉ ุณุงู„ุจ
97
00:09:37,930 --> 00:09:49,820
e<sup>-x</sup> ูŠุจู‚ู‰ e<sup>-x</sup> ุทุจุนุงุŒ ูŠุจู‚ู‰ ุฏูˆู„
98
00:09:49,820 --> 00:09:53,280
ุงุณุชู†ุชุงุฌู‡ู… ุงุณุชู†ุชุงุฌ ุจูƒู„ ุจุณุงุทุฉ ุฌู…ุน ุนุงุฏูŠ ุฌุฏุง ู…ู†
99
00:09:53,280 --> 00:09:58,620
ุงู„ุชุนุฑูŠู ูŠุจู‚ู‰ ู„ูƒู† ู‡ุฐู‡ ุฃูุงุฏู†ูŠ ุฃู†ู‡ ุชุจุณูŠุท ุงู„ู…ู‚ุฏุงุฑ ู‡ุฐุง
100
00:09:58,620 --> 00:10:02,120
ูƒู„ู‡ ุจุฏู„ ู…ูƒุชุจ ุฅุฐุง ู„ุฌูŠุชู‡ู… 2 ุจู‚ุฏุฑ ุฃุดูŠู„ู‡ ู…ุญู‚ ุจุฏู„ู‡ู…
101
00:10:02,120 --> 00:10:07,220
ูˆ 2 ู‡ุฏูˆู„ ุฅุฐุง ู„ุฌูŠุชู‡ู… ุจู‚ุฏุฑ ุฃุดูŠู„ู‡ ู…ุญู‚ ุจุฏู„ู‡ู… ุทูŠุจ
102
00:10:07,220 --> 00:10:12,360
ู†ู…ุฑุชูŠ 6 ุจุฏุฎู„ูƒ ูƒู…ุงู† ุฃู†ุช ุงุทู„ุนู‡ุง ู„ุญุงู„ูƒ ุงุทู„ุน ู„ูŠ ููŠ
103
00:10:12,360 --> 00:10:17,630
cosh ุนู†ุฏูƒ ููŠ ุงู„ุชุนุฑูŠู ูŠู„ุง ุงูุชุญ ุนู„ู‰ ุงู„ุชุนุฑูŠู ุนู†ุฏูƒ cosh
104
00:10:17,630 --> 00:10:21,790
x ูŠุณู…ู‰ e<sup>x</sup> + e<sup>-x</sup> ุนู„ู‰ 2
105
00:10:21,790 --> 00:10:27,990
ู…ุธุจูˆุทุŸ ุจุฏูŠ ุฃุดูˆู ู‡ุฐู‡ odd ูˆุงู„ู„ู‡ even ูŠุจู‚ู‰ ุจุฏูŠ ุฃุดูŠู„
106
00:10:27,990 --> 00:10:32,330
ูƒู„ x ูˆุฃุญุท ู…ูƒุงู†ู‡ุง -x ูŠู„ุง ุฃุดูŠู„ ูˆุฃุดูˆู ู‡ุฐู‡
107
00:10:32,330 --> 00:10:37,370
ุชุชุบูŠุฑ ูˆุงู„ู„ู‡ ุจูŠุธู„ ู‡ูŠ ู‡ูŠ ู‡ูŠ ู‡ูŠ ู‡ูŠ ู…ุธุจูˆุทุŸ ุฅุฐู† ุงู„ู€ cosh
108
00:10:37,370 --> 00:10:43,810
ุนุจุงุฑุฉ ุนู† even function ุทูŠุจ ูู„ุง ู†ู„ุณุดู‡ูˆ ุงู„ู„ูŠ ู‡ูŠ
109
00:10:43,810 --> 00:10:49,210
ู…ู‚ู„ูˆุจุฉุŸ ุทู„ุน
110
00:10:49,210 --> 00:10:59,760
ููŠู‡ุง ูƒูˆูŠุณ even ุฒูŠู‡ุง ุฅุฐุง ุฃู†ุง ุนู†ุฏูŠ ุงุซู†ุชูŠู† ู…ู† ู‡ุฏูˆู„ even
111
00:10:59,760 --> 00:11:06,180
ูˆุงู„ุจุงู‚ูŠ ุงู„ุฃุฑุจุนุฉ odd ูƒู„ ุงู„ุฃุฑุจุนุฉ ุงู„ุจุงู‚ูŠุฉ odd ูŠุจู‚ู‰
112
00:11:06,180 --> 00:11:15,900
ู‡ู†ุง ุจุฌูŠ ุจู‚ูˆู„ ุงู„ู„ูŠ ู‡ูˆ sinh x and cosh x ุงู„ู„ูŠ ู‡ูŠ
113
00:11:15,900 --> 00:11:19,040
ู…ู‚ู„ูˆุจุฉ are even
114
00:11:23,120 --> 00:11:35,000
but the others are odd ู„ูƒู† ุงู„ุจุงู‚ูŠุงุช ูƒู„ู‡ ุฅูŠุดุŸ ูƒู„ู‡
115
00:11:35,000 --> 00:11:42,120
odd ูŠุจู‚ู‰ ุงุซู†ุชูŠู† even ูˆุงู„ุฃุฑุจุนุฉ ุงู„ุฃุฎุฑู‰ ูŠุชู…ุงู„ู‡ู… odd ุฒูŠ
116
00:11:42,120 --> 00:11:47,560
ุชู…ุงู…ู‹ุง ููŠ ุงู„ุฏูˆุงู„ ุงู„ู…ุซู„ุซูŠุฉ ูƒุงู† cos x ูˆ sec x
117
00:11:47,560 --> 00:11:51,600
ุงุซู†ูŠู† are even ูˆุงู„ุฃุฑุจุนุฉ odd ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ู‚ู„ู†ุง ู‡ุฐุง
118
00:11:51,600 --> 00:11:59,320
ู†ุฌูŠ ุงู„ุขู† ู„ู…ุดุชู‚ุฉ ุงู„ุฏูˆุงู„ ุงู„ุฒุงุฆุฏูŠุฉ ูŠุฑุฌู‰ ุจุงู„ุฐุงุช
119
00:11:59,320 --> 00:12:01,480
ู„ู€ derivatives
120
00:12:03,110 --> 00:12:08,870
of hyperbolic functions
121
00:12:11,780 --> 00:12:19,180
ู…ุดุชู‚ุฉ ุงู„ุฏูˆุงู„ ุงู„ุฒุงุฆุฏูŠุฉ ุจุงุฌูŠ ุจู‚ูˆู„ู‡ if u is a
122
00:12:19,180 --> 00:12:27,100
differentiable function of x then ู†ู…ุฑุฉ ูˆุงุญุฏ ุจุฏู†ุง
123
00:12:27,100 --> 00:12:37,180
d/dx ู„ู…ูŠู†ุŸ ู„ู€ sinh u ูŠุณุงูˆูŠ ุจุฏูˆุด ุฃูƒุชุจ ู„ูƒ
124
00:12:37,180 --> 00:12:41,930
ุงู„ุฌูˆุงุจ ุจุฏู‡ ุฃุฎู„ูŠูƒ ุฃู†ุช ุชุทู„ุน ุงู„ุฌูˆุงุจ ุชุดูˆู ุงู„ุชุนุฑูŠู
125
00:12:41,930 --> 00:12:47,270
ุงู„ู€ sinh ุนู†ุฏูƒ ูŠู„ุง ุงู„ู„ูŠ ู‡ูŠ ู†ุตู ููŠ e<sup>u</sup> - e<sup>-u</sup>
126
00:12:47,270 --> 00:12:48,930
ู†ุงู‚ุต X ุงุดุชู‚ู‡ุง
127
00:12:53,510 --> 00:12:59,710
ู†ุต ุฒูŠ ู…ุง ู‡ูˆ ูˆุงู„ู€ cos x ุฒูŠ ู…ุง ู‡ูŠ ูˆุฒุงุฏ ุฃูˆ ุนู†ุฏูƒ ู‡ู†ุง
128
00:12:59,710 --> 00:13:04,990
ู†ุงู‚ุต cos x ู†ุงู‚ุต x ู„ู…ุง ุงุดุชู‚ ู†ูุณู‡ ููŠ ุณุงู„ุจ ูŠุตูŠุฑ ู…ูˆุฌุจ
129
00:13:04,990 --> 00:13:11,130
ูŠุนู†ูŠ ู…ูŠู†ุŸ cos ุฅุฐุง ุงู†ุชูุถ ุงู„ู€ sin ุจู€ cos ูŠุจู‚ู‰ ู‡ุฐู‡ cos
130
00:13:11,130 --> 00:13:17,830
ุงู„ู€ dy/dx ู†ู…ุฑ ุงุซู†ุงู† ุจุฏู†ุง ุงู„ู€ d ุนู„ู‰
131
00:13:17,830 --> 00:13:24,410
dx ู„ู€ cos xุŒ ุณุงู„ุจุŒ ุณุงู„ุจุŒ ุณุงู„ุจุŒ ุณุงู„ุจุŒ ุณุงู„ุจุŒ
132
00:13:24,410 --> 00:13:27,750
ุณุงู„ุจุŒ ุณุงู„ุจุŒ ุณุงู„ุจุŒ ุณุงู„ุจุŒ ุณุงู„ุจ
133
00:13:31,820 --> 00:13:36,840
ู…ูˆุฌุจุŒ ูŠุนู†ูŠ ู…ุด ุฒูŠ ุงู„ุฏูˆุงู„ ุงู„ู…ุซู„ุซูŠุฉุŒ ุชูุงุถู„ cos ุจู€ -sin
134
00:13:36,840 --> 00:13:42,200
ุตูŠู† ู‡ู†ุง ุงู„ู€ cosุŒ ูุงู‚ู„ู‡ุง ุจูŠุทู„ุน sinุŒ ุชู…ุงู…ุŸ ุฅุฐุง ุชูุงุถู„
135
00:13:42,200 --> 00:13:47,860
ุงู„ู€ sin ุจู€ cos ูˆ ุชูุงุถู„ ุงู„ู€ cos ุจู€ -sin ุทูŠุจุŒ ู†ู…ุฑ ุชู„ุงุชุฉุŒ
136
00:13:47,860 --> 00:13:57,160
ุจูŠุจู†ุง ุงู„ู€ d/dx ู„ู€ tan x ูŠุณุงูˆูŠ ูŠุงู„ุง ุจุงุฎุชุตุงุฑ ู‡ูŠูƒ
137
00:13:57,160 --> 00:14:01,920
tan x ู‡ูŠ sin x ุนู„ู‰ cos x ูŠุงู„ุง ุงู„ู…ู‚ุงู… ููŠ ู…ุดุชู‚ุฉ ุงู„ุจุณุท ู†ุงู‚ุต
138
00:14:01,920 --> 00:14:06,460
ุงู„ุจุณุท ููŠ ู…ุดุชู‚ุฉ ุงู„ู…ู‚ุงู… ุนู„ู‰ ู…ุฑุจุน ุงู„ู…ู‚ุงู… ุงู„ุฃุตู„ูŠ ุนู„ู…ุง
139
00:14:06,460 --> 00:14:12,220
ุจุฅู†ู…ุง cosยฒ x ู†ุงู‚ุต sinยฒ x ูŠุณุงูˆูŠ ูˆุงุญุฏ ุตุญูŠุญ
140
00:14:12,220 --> 00:14:19,400
ูŠุงู„ุง ุดูˆู ู‡ุงู„ูŠ ูƒุฏู‡ ุจุชุทู„ุน ูŠุงู„ุง ุจุณุฑุนุฉ ุฃูŠูˆุฉ ูƒุฏู‡ุŸ ูƒุฏู‡
141
00:14:19,400 --> 00:14:25,820
ูŠุง ุฑุงุฌู„ ู‚ูˆู„ู‡ ุบูŠุฑ ุชุงุฌ ุงู„ู„ู‡ ุจูŠุทู„ุน 1 ุนู„ู‰ cosยฒ x
142
00:14:25,820 --> 00:14:31,300
ุตุญ ูˆู„ุง ู„ุฃุŸ 1 ุนู„ู‰ cosยฒ x ูŠูˆู…ูŠู† sinยฒ x
143
00:14:31,300 --> 00:14:40,580
ุฅุฐุง ุงู†ุช ูุงุถู„ tan ุจู€ secยฒ x U ููŠ dU/dx ุงู„ุฑุงุจุน
144
00:14:40,580 --> 00:14:49,980
ุจุฏู†ุง ุงู„ู€ d/dx ู„ู€ cot U cot U
145
00:14:49,980 --> 00:14:57,210
ูˆ U ุงู„ุณุงูˆูŠู†ูุณ ุงู„ุทุฑูŠู‚ุฉ cos ููˆู‚ ูˆ sin x ุชุญุช ูŠุจู‚ู‰
146
00:14:57,210 --> 00:15:06,750
ุณุงู„ุจ cosecยฒ U ููŠ ุงู„ู€ dU/dx ู†ู†ุชู‚ู„ ุงู„ุขู† ุฅู„ู‰
147
00:15:06,750 --> 00:15:15,950
ุงู„ู†ู‚ุทุฉ ุงู„ุฎุงู…ุณุฉ ุจุฏู†ุง ุงู„ู€ d/dx ู„ู…ูŠู†ุŸ ู„ู€ sec ุงู„ู€ U ูˆูŠุณุงูˆูŠ
148
00:15:15,950 --> 00:15:23,300
ุชูุงุถู„ ุงู„ู€ sec ุจู€ sec x ููŠ tan x ุจุณ ู‡ุฐู‡ ุงู„ู€ sec ุจุณุงู„ุจ
149
00:15:23,300 --> 00:15:33,180
sec tan x ูŠุจู‚ู‰ ู‡ุฐู‡ ุณุงู„ุจ sec x ููŠ tan sec ุงู„ู€ U sec
150
00:15:33,180 --> 00:15:40,120
ุงู„ู€ U ููŠ tan ุงู„ู€ U ููŠ dU/dx ุฃุฎุฑ ุญุงุฌุฉ ู†ู…ุฑู‡ 6 ุงู„ู€ d
151
00:15:40,120 --> 00:15:47,760
ุนู„ู‰ dx ู„ู€ cosec ุงู„ู€ U ุณุงู„ุจ cosec ุงู„ู€ U cot tan
152
00:16:01,270 --> 00:16:07,930
ุฃูˆู„ ุชู„ุงุชุฉ ุจุงู„ู…ูˆุฌุจ ูˆุชุงู†ูŠ ุชู„ุงุชุฉ ุจุงู„ุณุงู„ุจ ู…ูˆุฌุจ ู…ูˆุฌุจ
153
00:16:07,930 --> 00:16:09,690
ู…ูˆุฌุจ ุณุงู„ุจ ุณุงู„ุจ ุณุงู„ุจ
154
00:16:23,680 --> 00:16:26,780
ุจุชุฑุฌุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน
155
00:16:26,780 --> 00:16:26,840
ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน
156
00:16:26,840 --> 00:16:28,840
ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน
157
00:16:28,840 --> 00:16:32,000
ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน
158
00:16:32,000 --> 00:16:34,140
ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน
159
00:16:34,140 --> 00:16:34,160
ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน
160
00:16:34,160 --> 00:16:34,500
ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน
161
00:16:34,500 --> 00:16:35,680
ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน
162
00:16:35,680 --> 00:16:37,180
ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน ุงู„ุงุตุทู†ุงุน
163
00:16:40,990 --> 00:16:46,610
ู„ุฃ ู„ุฃ ู…ุด ุงู„ู€ sin ุจุชู‚ูˆู„ e<sup>x</sup> ู†ุงู‚ุต e<sup>-x</sup> ุนู„ู‰
164
00:16:46,610 --> 00:16:51,370
ุงุชู†ูŠู† ุจุฏู‡ ุฃุดูŠู„ x ูˆุญุท ู…ูƒุงู†ู‡ -x ูŠุนู†ูŠ ู‡ูˆ ุจูŠุตูŠุฑ e
165
00:16:51,370 --> 00:16:57,850
<sup>-x</sup> ู†ุงู‚ุต e<sup>x</sup> ุนู„ู‰ ุงุชู†ูŠู† ุฎุฏ ุฅุดุงุฑุฉ ุณุงู„ุจ ุจุฑุง
166
00:16:57,850 --> 00:17:01,050
ุจูŠุตูŠุฑ e<sup>x</sup> ู†ุงู‚ุต e<sup>-x</sup> ุนู„ู‰ ุงุชู†ูŠู† ูŠุนู†ูŠ
167
00:17:01,050 --> 00:17:07,590
ุณุงู„ุจ sin x ูŠุนู†ูŠ ุฃุตุจุญ f(-x) ูŠุณุงูˆูŠ -f
168
00:17:07,590 --> 00:17:12,220
<sup>x</sup> it is an odd function ู…ุธุจูˆุท ูˆู„ุง ู„ุงุŸ ุงุชู„ุฎุจุท ู…ู†
169
00:17:12,220 --> 00:17:15,160
ุงู„ู€ session. ูŠุง ุฒู…ุงุฏู‡ ุฎู„ุงุต ู‡ูˆ ุงุชู„ุฎุจุทูˆู† ุนุฏู„ ูŠุนู†ูŠุŒ ู‡ูˆ
170
00:17:15,160 --> 00:17:20,560
ุบู„ุท ููŠู‡ุŒ ู‡ูˆ ุบู„ุท ููŠ ุงู„ู…ุตุญู. ุฎู„ุงุต ู„ูŠู‡ุŸ ุฎู„ุงุตุŒ ุฎู„ุงุต.
171
00:17:21,040 --> 00:17:25,720
ุงู„ูˆุงุญุฏ ูŠุณุฃู„ ุงู…ู„ูŠู‡ ู‚ุงู„ ูˆู„ู… ุชุคู…ู† ู‚ุงู„ ุจู„ู‰ุŒ ูˆู„ูƒู†
172
00:17:25,720 --> 00:17:31,880
ู„ูŠุทู…ุฆู† ู‚ู„ุจูŠุŒ ุญุงุจุจ ุงุชุฃูƒุฏุŒ ูˆู‡ุฐุง ุญุตู„ ู…ุน ู†ุจูŠู†ุง ุฅุจุฑุงู‡ูŠู…
173
00:17:31,880 --> 00:17:35,540
ุนู„ูŠู‡ ุงู„ุณู„ุงู… ู…ุน ุงู„ู„ู‡ ุณุจุญุงู†ู‡ ูˆุชุนุงู„ู‰. ูˆุงู„ุฑุงุฌู„ ูŠุง
174
00:17:35,540 --> 00:17:39,760
ุนุฒูŠุฒูŠ ู„ู…ุง ู†ูŠุณุฃู„ ุณุคุงู„ู‡ ูˆู†ุฌุงูˆุจ ุนู„ูŠู‡. ุญุงุจุจ ูŠุชุฃูƒุฏ ู‚ุงู„
175
00:17:39,760 --> 00:17:44,180
ู„ูƒ ุฑุจู…ุง ู„ูƒูˆู† ุฃุฎุทุฃู†ุง ูุงุฌุชู‡ุฏ ููˆุฌุฏ ู†ุฌุชู‡ุฏู‡ ููŠ ุบูŠุฑ ู…ุญู‚
176
00:17:44,180 --> 00:17:49,900
ู„ูŠู‡ ูˆู…ู† ุงุฌุชู‡ุฏ ูุฃุตู ู„ู‡ ุฃุฌุฑุงู† ูˆู…ู† ุงู†ุชู‡ุฏ ูุฃู‚ุทู ู„ู‡ ุฃุฌุฑ
177
00:17:49,900 --> 00:17:54,160
ูˆุงุญุฏ ูŠุนู†ูŠ ู…ุงุนู†ุงุด ู…ุดูƒู„ุฉ ููŠ ู‡ุฐู‡ ุฎู„ูŠูƒู… ู…ุนู†ุง ุฎู„ูŠูƒู…
178
00:17:54,160 --> 00:17:58,980
ู…ุนู†ุง ุฎู„ุงุต ุจุฌุฏ ุทูŠุจุŒ ุฒูŠ ู…ุง ููŠู‡ ู…ุดุชู‚ุงุชุŒ ู…ุนู†ุงุชู‡ ููŠู‡
179
00:17:58,980 --> 00:18:04,720
ุชูƒุงู…ู„ุงุชุŒ ุฅุฐุง ุจุฏู†ุง ู†ุฑูˆุญ ู„ู„ุชูƒุงู…ู„ุงุช ุชุงู†ูŠุฉุŒ ูŠุจู‚ู‰ ู‡ู†ุง
180
00:18:04,720 --> 00:18:10,780
ุจุฏู†ุง ู†ูŠุฌูŠ ู„ุฃูˆู„ ุชูƒุงู…ู„ ู…ู† ู‡ุฐู‡ ุงู„ุชูƒุงู…ู„ุฉุŒ ุฎู„ู‘ุง ู…ุนุงูŠุง
181
00:18:10,780 --> 00:18:14,560
ูƒู„ ุณู†ุฉุŒ ุทุจุนุง ุฒูŠ ู…ุง ุชุฌูŠุจ ููŠ ู…ุณุชู‚ุจู„ุŒ ู…ุดุชู‚ุฉ ุงู„ู€ sin
182
00:18:14,560 --> 00:18:20,030
ุจู€ cosุŒ ุฅุฐุง ู…ุดุชู‚ุฉ ุงู„ู€ cos ู…ุดุชู‚ุช ุงู„ู€ cos ุจุงู„ู€ sin ุฅุฐุง
183
00:18:20,030 --> 00:18:26,050
ู…ุชูƒุงู…ู„ ุงู„ู€ sin ุจู€ cos ูŠุจู‚ู‰ ุนู„ู‰ ูƒู„ ุงู„ุฎุท ุงู„ุงู† ู†ู…ุฑุฉ ูˆุงุญุฏ
184
00:18:26,050 --> 00:18:32,830
ุชูƒุงู…ู„ ู„ู€ sin x dx ุจุฏูŠ ูŠุนุทูŠู„ูƒ cos x ุฒุงุฆุฏ
185
00:18:32,830 --> 00:18:39,810
constant C ู†ู…ุฑุฉ ุงุชู†ูŠู† ุจุฏู†ุง ุชูƒุงู…ู„ ู„ู€ cos x dx
186
00:18:39,810 --> 00:18:48,410
ุณุงูˆูŠ ุงู„ู€ ู‡ู…ูŠู† dx ุจุฏูŠ ูŠุณุงูˆูŠ ุงู„ู„ูŠ ู‡ูˆ sin x ุฒุงุฆุฏ ูƒู„
187
00:18:48,410 --> 00:18:53,750
ุตู†ุฏุณูŠุŒ ู†ู…ุฑุฉ ุชู„ุช ุทูŠุจ
188
00:18:53,750 --> 00:18:56,370
ุดูŠูุงู‡ุŒ ู„ูˆ ุจุฏู†ุง ุชูƒุงู…ู„ ุงู„ู€ tan x
189
00:19:01,670 --> 00:19:05,690
sin x ุนู„ู‰ cos x ุงู„ุจุณุท ู…ุด ุณุงู‚ุฉ ุงู„ู…ู‚ุงุฑู†ุฉ ูŠุจู‚ู‰ ู„ู†ุง
190
00:19:05,690 --> 00:19:09,050
ุงู„ู…ู‚ุงุฑู†ุฉ ู…ุด ู‡ุฐุง ุงู„ู„ูŠ ุจุฏูŠู‡ ุฎู„ูŠู‡ ู…ุน ุงู„ุฃุณู„ุญุฉ ุงู„ู„ูŠ
191
00:19:09,050 --> 00:19:17,940
ุจุฏูƒ ู‡ูŠู‡ุง ุจู‚ูˆู„ ุงู‡ ุจุฏูŠ ุชูƒุงู…ู„ ู„ู€ secยฒ x dx ุชูุงู‡ู…
192
00:19:17,940 --> 00:19:27,540
ุงู„ู€ tan ุจู€ secยฒ x ุจู…ูŠู†ุŸ ุจู€ tan ูŠุจู‚ู‰ ู‡ู†ุง tan x ุฒุงุฆุฏ
193
00:19:27,540 --> 00:19:33,520
constant C ู†ู…ุฑุฉ ุฃุฑุจุนุฉ ุจุฏูŠ ุชูƒุงู…ู„ cosecยฒ x
194
00:19:36,900 --> 00:19:42,680
ุณุงู„ุจ cot x ูŠุจู‚ู‰ ุณุงู„ุจ cot x
195
00:20:25,730 --> 00:20:34,320
ุทูŠุจ ูŠุจู‚ู‰ ุถุงู„ ู…ูŠู†ุŸ ุงู„ุงุฑุจุน ุฏูˆุงู„ ุฒุงุฆุฏูŠุฉ ุงู„ุฃุฎุฑู‰ ุฎู„ูŠู‡ู…
196
00:20:34,320 --> 00:20:40,440
ู…ุน ุงู„ุฃู…ุซู„ุฉ ู„ูŠู‡ุŸ ูุนู„ูŠู‡ู… ู…ุน ุงู„ุฃู…ุซู„ุฉ ุทูŠุจ ู‡ู†ุดูˆู ูƒูŠู
197
00:20:40,440 --> 00:20:44,800
ู‡ู†ุฎู„ูŠู‡ู… ู…ุน ุงู„ุฃู…ุซู„ุฉ ูŠุจู‚ู‰ ุงู„ุฃู† ู†ุฐู‡ุจ ุฅู„ู‰ ุงู„ุฃู…ุซู„ุฉ
198
00:20:44,800 --> 00:20:50,360
ู„ุบุงูŠุฉ ู‡ู†ุง ุดุจุงุจ ุงุญู†ุง ุฎู„ุตู†ุง ุงู„ุดุทุฑ ุงู„ุฃูˆู„ ู…ู† ุงู„ุฌุฒุก
199
00:20:50,360 --> 00:20:55,870
ุงู„ู†ุธุฑูŠ ููŠ ู‡ุฐุง ุงู„ู€ section ูˆ ู„ุณู‡ ููŠ ุฌุฒุก ุชุงู†ูŠ ุงู„ู„ูŠ ู‡ูˆ
200
00:20:55,870 --> 00:21:01,030
ู…ุนูƒูˆุณ ุงู„ุฏูˆุงู„ ุงู„ุฒุงุฆุฏูŠุฉ ู„ูƒู† ุจู†ู‚ูˆู„ ู„ูƒ ุฎุฏูƒ ุฑุงุณุช ุดูˆูŠุฉ
201
00:21:01,030 --> 00:21:05,870
ู‡ู†ุง ูˆ ุฎู„ูŠู†ุง ู†ุญู„ ู…ุฌู…ูˆุนุฉ ู…ู† ุงู„ุฃู…ุซู„ุฉ ู…ุฌู…ูˆุนุฉ ู…ู†
202
00:21:05,870 --> 00:21:12,190
ุงู„ุฃู…ุซู„ุฉ ุนู„ู‰ ู…ุง ุณุจู‚ุช ุฏุฑุงุณุชู‡ ุงู„ู…ุซุงู„ ุงู„ุฃูˆู„ examples
203
00:21:12,190 --> 00:21:16,330
ุฃูˆู„
204
00:21:16,330 --> 00:21:27,560
ู…ุซุงู„ ุจูŠู‚ูˆู„ if cos x ุจุฏู‡ ูŠุณุงูˆูŠ 13 ุนู„ู‰ 5 ูˆ
205
00:21:27,560 --> 00:21:34,480
ุงู„ู€ x greater than zero ูุงูŠู† ุงุฌุฏ ุงู†ู‡ ู†ู…ุฑุฉ ูˆุงุญุฏ ุงูˆ
206
00:21:34,480 --> 00:21:44,860
ู†ู…ุฑุฉ A ุจุฏู†ุง ูŠุง ุณูŠุฏูŠ ุงู„ู„ูŠ ู‡ูˆ ู…ูŠู† tan x and ุงู„ู„ูŠ
207
00:21:44,860 --> 00:21:55,130
ู‡ูˆ ู…ูŠู† and sec x ุงู„ุงุชู†ูŠู† ู‡ุฏูˆู„ ู†ู…ุฑู‰ ุจูŠู‡ ุจุฏู†ุง the
208
00:21:55,130 --> 00:21:59,210
value of x
209
00:22:16,940 --> 00:22:21,640
ุจู†ุนุทูŠู†ูŠ ุฌุฏุงุด ุงู„ู‚ูŠู…ุฉ ุงู„ุนุฏุฏูŠุฉ ู„ู€ cos x ุงู„ู„ูŠ 13 ุนู„ู‰
210
00:22:21,640 --> 00:22:27,440
5 ูˆู…ู† ุฎู„ุงู„ู‡ุง ุทู„ุจ ู…ู†ูŠ ุชู„ุช ุดุบู„ุงุช ุดุบู„ุฉ ุงู„ุฃูˆู„ู‰ ุจุฏู‡
211
00:22:27,440 --> 00:22:33,480
ุฌุฏุงุด ู…ู‚ุฏุงุฑ tan x ุงู„ุซุงู†ูŠุฉ ุฌุฏุงุด ู‚ูŠู…ุฉ sec x ุซู…ุงู†ูŠุฉ
212
00:22:33,480 --> 00:22:38,920
ุฌุฏุงุด ุงู„ู‚ูŠู…ุฉ ุงู„ุญู‚ูŠู‚ูŠุฉ ู„ู€ x ุงู„ู„ูŠ ุฎู„ุชู„ูŠ ุงู„ู…ู‚ุฏุงุฑ ู‡ุฐุง
213
00:22:38,920 --> 00:22:42,920
ูŠุณูˆู‰ ุฌุฏุงุด 13 ุนู„ู‰ 5 solution
214
00:22:45,390 --> 00:22:50,190
ูŠุจู‚ู‰ ุจุฏู†ุง ู†ูŠุฌูŠ ู„ู„ู†ู‚ุทุฉ ุงู„ุฃูˆู„ู‰ ุงู„ู„ู‰ ู‡ู‰ ู†ู…ุฑุฉ A ุฃุธู† ููŠ
215
00:22:50,190 --> 00:22:57,150
ุฌุฒุก ู…ู†ู‡ู… ุจู‚ุฏุฑ ุงุฌูŠุจู‡ ู…ุจุงุดุฑุฉ ุงู„ู„ู‰ ู‡ู… sec ุจู‚ูˆู„ ุจุณูŠุทุฉ
216
00:22:57,150 --> 00:23:07,700
sec x ุจุฏูŠ ูŠุณุงูˆูŠ 1 ุนู„ู‰ cos x ูู€ ุงู„ู€ cos ู…ุนุฑูˆูุฉ
217
00:23:07,700 --> 00:23:12,500
ุงู„ู„ูŠ 13 ุนู„ู‰ 5ุŒ ุงูŠู‡ ู…ู† ุงู„ู€ socialุŸ ูŠุณูˆูŠ 5 ุนู„ู‰
218
00:23:12,500 --> 00:23:20,020
13ุŒ ูŠุจู‚ู‰ ู‡ุฐู‡ ุจู„ุบุฉ ุณู‡ู„ุฉ ุฌุฏุงุŒ ุงู„ุขู† ู‡ูŠุง ุนู†ุฏู†ุง ุตุงุฑ
219
00:23:20,020 --> 00:23:27,020
ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ sec ูˆ ุจุฏู†ุง ุงู„ุขู† ุงู„ู€ tan ุจุฏู†ุง ุงู„ู€ tanุŒ
220
00:23:27,020 --> 00:23:34,160
ุทุจุนุง ู‚ุฏุงู…ูƒ ุฃูƒุซุฑ ู…ู† ุทุฑูŠู‚ุฉ ุทุฑูŠู‚ุฉ ุงู„ุฃูˆู„ ุฃู†ู‡ ุฃู†ุง ุฃุฎุฏ cos
221
00:23:34,160 --> 00:23:39,620
ยฒ x ู†ุงู‚ุต sinยฒ x ูŠุณูˆูŠ ู‚ุฏุงุด 1ุŒ ู…ู† ู‡ุฐู‡
222
00:23:39,620 --> 00:23:44,900
ุจุญุณุจ ุงู„ู€ sinุŒ ุจุตูŠุฑ ุงู„ู€ sin ุนู†ุฏูŠ ูˆ ุงู„ู€ cos ุนู†ุฏูŠุŒ ุจู‚ุฏุฑ
223
00:23:44,900 --> 00:23:49,760
ุฃุฌูŠุจู„ู‡ ุงู„ู€ tanุŒ ู‡ุฐุง ุชููƒูŠุฑุŒ ุชููƒูŠุฑ ุขุฎุฑุŒ ุจู‚ูˆู„ ู„ุฃ ุฃู†ุช
224
00:23:49,760 --> 00:23:54,500
ุญุณุจุช ุงู„ู€ sec ู‚ุฏุงุด ูŠุณูˆูŠุŒ ุจู‚ูˆู„ ู„ู‡ ุฃูŠูˆุฉุŒ ู‚ุงู„ ุงุญู†ุง ุนู†ุฏู‡
225
00:23:54,500 --> 00:24:00,740
ู…ุชูุงุฏู‚ุฉุŒ ุจุชู‚ูˆู„ ุฅู† 1 ู†ุงู‚ุต tanยฒ ูŠุณุงูˆูŠ ู…ู†ุŸ secยฒ
226
00:24:00,740 --> 00:24:04,260
ู†ู‚ูˆู„ุง ุงู„ู„ู‡ ูƒู„ุงู…ูƒ ู…ุธุจูˆุท ู†ู‚ุฏุฑ ู†ุฌูŠุจ ุงู„ู€ tan
227
00:24:04,260 --> 00:24:11,580
ู…ุจุงุดุฑุฉ ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ู‡ tan ุงูŠุด ุนู†ุฏู†ุง ุงุญู†ุงุŸ ุงู„ู„ูŠ ู‡ูˆ
228
00:24:11,580 --> 00:24:22,440
ู…ู† 1 ู†ุงู‚ุต tanยฒ x ุจุฏู‡ ูŠุณุงูˆูŠ secยฒ
229
00:24:22,440 --> 00:24:30,690
x ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ุซุงู†ูŠุฉ ููŠ ุฃูˆู„ ู…ุชุทุงุจู‚ุฉ ุงุฎุฐู†ุงู‡ุงุŒ
230
00:24:30,690 --> 00:24:35,290
ุฅุฐุง ุจุฏู†ุง ู†ุนูˆุฏ ููŠู‡ุง ู…ุจุงุดุฑุฉ ูŠุจู‚ู‰ ู‡ุงูŠ ุงู„ู€ 1 ู†ุงู‚ุต
231
00:24:41,150 --> 00:24:46,890
ุจุฏูˆ ูŠุณุงูˆูŠ ุงู„ู„ู‡ ุฃุนู„ู… tan ุจุฏู†ุง ูŠุงู…ุง secยฒ ู‡ูŠ
232
00:24:46,890 --> 00:24:54,170
ุงู„ู€ sec ุฅุฐุง ุงู„ู€ 5 ุนู„ู‰ 13 ุงู„ูƒู„ ุชุฑุจูŠุน ู‡ุฐุง ุจุฏู‡
233
00:24:54,170 --> 00:25:01,710
ูŠุนุทูŠูƒ ู…ุง ูŠุฃุชูŠ ุงู†ู‡ tanยฒ x ุจุฏู‡ ูŠุณุงูˆูŠู‡ู†ุง ุงู„ู„ูŠ
234
00:25:01,710 --> 00:25:09,870
ู‡ูˆ ู…ูŠู† 1 ู†ุงู‚ุต 1 ู†ุงู‚ุต 25 ุนู„ู‰ 13 ููŠ
235
00:25:09,870 --> 00:25:16,710
13 ุจู…ูŠุฉ ูˆุชุณุนุฉ ูˆุณุชูŠู† ูŠุจู‚ู‰ ุจู†ุงุก ุนู„ูŠู‡ ุฃุตุจุญ tan
236
00:25:16,710 --> 00:25:21,550
ยฒ x ูŠุณุงูˆูŠ ุงู„ู…ุถุงุนู ุงู„ู…ุดุชุฑูƒ ู„ู„ูŠู‡ ุงุชู†ูŠู† ู…ูŠุฉ
237
00:25:21,550 --> 00:25:26,870
ูˆุชุณุนุฉ ูˆุณุชูŠู† ุจุตูŠุฑ ู…ูŠุฉ ูˆุชุณุนุฉ ูˆุณุชูŠู† ู†ุงู‚ุต 25
238
00:25:26,870 --> 00:25:33,800
ุงู„ู„ูŠ ู‡ูˆ ู…ูŠุฉ ูˆุงุฑุจุนุฉ ูˆุงุฑุจุนูŠู† ูƒูˆูŠุณ ู‡ุฐุง ุจุฏู‡ ูŠุนุทูŠู„ูƒ ุงู†
239
00:25:33,800 --> 00:25:42,280
tan x ุจุฏู‡ ูŠุณุงูˆูŠ 12 ุนู„ู‰ 13 ุจุฅุดุงุฑุฉ ู…ูˆุฌุจุฉ
240
00:25:42,280 --> 00:25:47,480
ู„ุฅู† ููŠ ุงู„ุจุฏุงูŠุฉ ุงุชุงู†ูŠ x ู…ุงู„ู‡ุง greater than zero
241
00:25:47,480 --> 00:25:52,160
ูƒูˆูŠุณ ูŠุจู‚ู‰ ุฃุตุจุญ tan x ุงู„ู„ูŠ ุจุฏู‡ ุฅูŠุงู‡ุง ุงู„ู„ูŠ ุนุจุงุฑุฉ ุนู†
242
00:25:52,160 --> 00:25:55,420
12 ุนู„ู‰ 13 ูˆุจุงู„ุชุงู„ูŠ ุจูƒูˆู† ุงู†ุช ู‡ู†ุง ู…ู† ุงู„ู…ุทู„ูˆุจ
243
00:25:55,420 --> 00:25:58,820
ุงู„ุฃูˆู„ ุงูŠู‡ ู‡ูˆ ุงู„ูุฑู‚ ูŠุนู†ูŠ ู…ู…ูƒู† ุงุญู†ุง ุทุฑูŠู‚ุฉ ุงู„ู…ุฌุงูˆุฑ
244
00:25:58,820 --> 00:26:07,760
ุงู„ู…ู‚ุงุจู„ ู‡ุฐู‡ ุฏุงู„ุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ
245
00:26:07,760 --> 00:26:10,980
ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ
246
00:26:10,980 --> 00:26:12,340
ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ
247
00:26:12,340 --> 00:26:15,100
ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ
248
00:26:15,100 --> 00:26:18,380
ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ
249
00:26:18,380 --> 00:26:22,400
ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ ู…ุซู„ุซุฉ
250
00:26:22,400 --> 00:26:26,960
ู…ุซู„ุซุฉ ู…ุซู„
251
00:26:28,760 --> 00:26:31,820
ุฃู‡ ูŠู…ูƒู† ูŠุฌุฑุจูˆุง ู„ุจุนุถุŒ ุจุณ ูŠู…ูƒู† ูŠุฌุฑุจูˆุง ู„ูŠุณ ู„ุจุนุถุŒ
252
00:26:31,820 --> 00:26:37,660
ุชู…ุงู…ุŸ ุงุญู†ุง ุจู†ู‚ูˆู„ ุดูƒู„ู‹ุง ุชูุฑู‚ ุนู† ุจุนุถ ุจุงู„ุญุฑู ุฅุชุดุŒ ู„ูƒู†
253
00:26:37,660 --> 00:26:42,360
ู‡ุฐุง ุงู„ูุฑู‚ ุฌุนู„ ูุฑู‚ู‹ุง ู…ูุชูˆุญุฉ ู…ุง ุจูŠู† ุงู„ุงุซู†ูŠู†ุŒ ุทูŠุจ ุฅุฐุง
254
00:26:42,360 --> 00:26:46,580
ุจุชู„ุงู‚ูŠ ุงู„ู…ุซู„ุซ ูƒู„ ุนู†ู‡ุŒ ุฎู„ู‘ูŠู†ูŠ ุฃุณุชููŠุฏ ุจุฑุถู‡ุŒ ู…ุด ุบู„ุทุŒ
255
00:26:46,580 --> 00:26:51,660
ู…ุงุดูŠุŸ ุทูŠุจุŒ ุฎู„ุตูˆุง ุงู„ู…ุทู„ูˆุจ ุงู„ุฃูˆู„ ุฅู† ู‡ูˆ ู†ู…ุฑุฉ AุŒ ุจุฏู†ุง
256
00:26:51,660 --> 00:26:58,660
ู†ูŠุฌูŠ ู„ู†ู…ุฑุฉ BุŒ ู†ู…ุฑ ุจูŠู‡ ูˆูŠู‚ูˆู„ ู‡ุงุชู„ูŠ ู‚ูŠู…ุฉ X ุงู„ุชูŠ ุฌุนู„ุช
257
00:26:58,660 --> 00:27:05,140
ู‡ุฐุง ุงู„ู…ู‚ุฏุงุฑ ูŠุณุงูˆูŠ ุชู„ุงุชุฉ ุนุดุฑ ุนู„ู‰ ุฎู…ุณุฉุŒ ุจู‚ูˆู„ู‡ ูŠุจู‚ู‰ ุฃู†ุช
258
00:27:05,140 --> 00:27:13,460
ุนู†ุฏูƒ ุงู„ู€ X ุจุฏู‡ ูŠุณุงูˆูŠูˆู„ูˆ ูƒู†ุง ู…ุงุฎุฏูŠู† ุงู„ู…ุนูƒูˆุฒ ูƒู…ุง
259
00:27:13,460 --> 00:27:17,260
ู‚ู„ู†ุง X ูŠุณุงูˆูŠ ุฌูˆุด Inverse ุจุณ ุฃู†ุง ู…ุง ุฃุฎุฐู†ุงุด ุงู„ู„ูŠ ู…ู…ูƒู†
260
00:27:17,260 --> 00:27:21,960
ู†ุนุฑููˆุด ุชู…ุงู…ุŒ ู„ูƒู† ุฃุฎุฐู†ุง ุงู„ู€ exponential ุงู„ู„ูŠ ุงู„ุฌูˆุด
261
00:27:21,960 --> 00:27:26,760
ุจุฏู„ ุงู„ู€ exponential E ูˆุงู„ู€ 6 ุฒุงุฆุฏ E ูˆ ุฃูุณ ุงู„ู€ 6
262
00:27:26,760 --> 00:27:33,260
ุนู„ู‰ 2ุŒ ู‡ุฐุง ุงู„ู„ูŠ ุจุฏู‡ ูŠุณุงูˆูŠ ุฌุฏุงุด ุงู„ู„ูŠ ู‡ูˆ 13 ุนู„ู‰ 5
263
00:27:34,920 --> 00:27:41,280
ุงู„ู…ุนุงุฏู„ุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐู‡ ุญูˆู„ู†ุงู‡ุง ู…ุณุฃู„ุฉ ุจุฏู„ุงู„ุฉ ุงู„ู€ EOS
264
00:27:41,280 --> 00:27:45,560
X ุงู„ู€ EOS X ู‡ุฐู‡ ุจู‚ุฏุฑ ุนู„ูŠู‡ุงุŒ ุจู‚ุฏุฑ ุฃุดุชุบู„ ุจูŠู…ูŠู† ูˆ ุดู…ุงู„
265
00:27:45,560 --> 00:27:49,820
ุฒูŠ ู…ุง ุจุฏูŠุŒ ู‡ุฐู‡ ุงู„ู…ุนุงุฏู„ุฉ ู„ูˆ ุฑูˆุญู†ุง ุถุฑุจ ุถุฑุจ ุงู„ุชุจุงุฏู„ ูŠุจุตูŠ
266
00:27:49,820 --> 00:27:57,160
ู„ู†ุง ุฅูŠู‡ุŸ ุฎู…ุณุฉ EOS X ุฒุงุฆุฏ ุฎู…ุณุฉ EOS ู†ุงู‚ุต X ูŠุตุจุญ ุฌุฏุงุด
267
00:27:57,160 --> 00:28:03,650
ุณุชุฉ ูˆุนุดุฑูŠู†ุŒ ู‡ุฐู‡ ุงู„ุฃุณ ุณุงู„ุจ ูˆุงู„ุฃุณ ู…ูˆุฌุจ ู„ุง ุชุนุฌุจู†ูŠ ูู‡ูˆ
268
00:28:03,650 --> 00:28:06,870
ูŠุฑูŠุฏ ุฃู† ูŠุชุฎู„ุต ู…ู† ุงู„ุณุงู„ุจ ูˆูŠุชุนุงู…ู„ ู…ุนู‡ุŒ ูŠุนู†ูŠ ูŠุฑูŠุฏ ุฃุณ
269
00:28:06,870 --> 00:28:12,490
ูˆุงุญุฏ ูŠุชุนุงู…ู„ ู…ุนู‡ุŒ ุฅุฐุง ู„ูˆ ุฑุญุช ุถุฑุจุช ุทุฑููŠ ุงู„ู…ุนุงุฏู„ุฉ ููŠ
270
00:28:12,490 --> 00:28:20,310
E ุฃุณ XุŒ ุจุณ ู‡ู†ุง ู„ุฏูŠู†ุง ุฎู…ุณุฉ E ุฃุณ X ู„ูƒู„ ุชุฑุจูŠุน ุฒุงุฆุฏ
271
00:28:20,310 --> 00:28:27,180
ุฎู…ุณุฉ ุจุฏู‡ ูŠุณุงูˆูŠ ู„ู‡ ุณุชุฉ ูˆุนุดุฑูŠู† E ุฃุณ XุŒ ูŠุจู‚ู‰ ู‚ุฑุจู†ุง
272
00:28:27,180 --> 00:28:32,120
ุงู„ุทุฑููŠู† ููŠ E ุฃุณ X ูˆุจุงู„ุชุงู„ูŠ ุชุฎู„ุตู†ุง ู…ู† ู…ูŠู†ุŸ ู…ู† ุงู„ุฃุณ
273
00:28:32,120 --> 00:28:37,980
ุงู„ุณุงู„ุจุŒ ุทุจ ุจุชุนู…ู„ู‡ุง ู…ุนุงุฏู„ุฉ ุตูุฑูŠุฉ ูŠุจู‚ู‰ ุฎู…ุณุฉ ููŠ E ุฃุณ
274
00:28:37,980 --> 00:28:46,660
ุงุซู†ูŠู† X ู†ุงู‚ุต ุณุชุฉ ูˆุนุดุฑูŠู† E ุฃุณ X ูŠุจู‚ู‰ ุฒุงุฆุฏ ุฎู…ุณุฉ ุฒุงุฆุฏ
275
00:28:46,660 --> 00:28:52,100
ุฎู…ุณุฉ ูƒู„ู‡ุง ุชุณุงูˆูŠ ู…ูŠู†ุŸ ุชุณุงูˆูŠ Zero ุฒูŠ ู…ุง ุฃู†ุช ุดุงูŠู ู‡ุฐู‡
276
00:28:52,100 --> 00:28:59,950
ุฃุตุจุญุช ู…ุนุงุฏู„ุฉ ู…ู† ุงู„ุฏุฑุฌุฉ ุงู„ุซุงู†ูŠุฉ ููŠ ุงู„ู…ุชุบูŠุฑ E ุฃูุณ XุŒ E
277
00:28:59,950 --> 00:29:04,070
ุฃูุณ X ุงู„ูƒู„ ุชุฑุจูŠุนุŒ ูƒู„ ุตูŠู† ููŠ ุงู„ู€ E ุฃูุณ X ูˆู‡ู†ุง ูƒู„ ุตูŠู†
278
00:29:04,070 --> 00:29:07,790
ูƒู„ู‡ ุจุฏู‡ ูŠุณุงูˆูŠ ZeroุŒ ูŠุจู‚ู‰ ุจุฏู†ุง ู†ุฑูˆุญ ู†ุญู„ ู…ุนุงุฏู„ุฉ
279
00:29:07,790 --> 00:29:12,700
ุงู„ุฏุฑุฌุฉ ุงู„ุซุงู†ูŠุฉุŒ ุจุชุญู„ู„ู‡ุง ุชุญู„ูŠู„ุŒ ู…ุงุดูŠุŒ ุจุชู‚ุฏุฑุด ุจุชุฑูˆุญ
280
00:29:12,700 --> 00:29:17,200
ุนู„ู‰ ุงู„ู‚ุงู†ูˆู†ุŒ ุจุตูˆุจุŸ ุทุจ ู†ุดูˆู ุจู†ู‚ุฏุฑ ู†ุญู„ู„ู‡ุง ูˆุงู„ู„ู‡
281
00:29:17,200 --> 00:29:21,620
ุฅุฐุง ู…ุง ู†ู‚ุฏุฑุด ุนู„ู…ูˆู†ุง ููŠ ุงู„ุฅุนุฏุงุฏูŠุฉ ุฅู†ู‡ ู…ู…ูƒู† ุชุณูˆูŠ ู…ู‚ุต
282
00:29:21,620 --> 00:29:27,320
ุฃูˆ ู…ู…ูƒู† ุชุญู„ู„ ุนู„ู‰ ุทูˆู„ุŒ ุชู…ุงู…ุŸ ู„ูˆ ุฌูŠู†ุง ู„ู‡ุฐู‡ ู‚ู„ู†ุง ุฎู…ุณุฉ
283
00:29:27,320 --> 00:29:34,950
ููŠ E ูˆุงู„ู€ 6 ูˆู‡ู†ุง E ูˆุงู„ู€ 6 ู„ูˆุญุฏู‡ุง ูู‚ุทุŒ ู‡ุฐู‡ ุงู„ู„ูŠ ุจุนุฏ ุฎู…ุณุฉ
284
00:29:34,950 --> 00:29:39,010
ููŠ ูˆุงุญุฏ ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ุฎู…ุณุฉ ูˆู‡ุฐุง ุงู„ูˆุงุญุฏุŒ ุงู„ุฅุดุงุฑุฉ ุฒุงุฆุฏ
285
00:29:39,010 --> 00:29:43,930
ุงู„ู„ูŠ ููŠ ุงู„ู†ุต ุจุงู„ู†ู‚ุต ูŠุจู‚ู‰ ุงู„ุงุซู†ูŠู† ุจุงู„ู†ู‚ุตุŒ ุชุนุงู„ู‰ ู†ุดูˆู
286
00:29:43,930 --> 00:29:49,230
ู‡ู„ ูƒู„ุงู… ู‡ุฐุง ุตุญูŠุญ ูˆู„ุง ู„ุฃุŒ ุทุจุนู‹ุง ู†ุงู‚ุต ููŠ ู†ุงู‚ุต ุจุฒุงุฆุฏ ุฎู…ุณุฉ
287
00:29:49,230 --> 00:29:55,790
ู…ุธุจูˆุทุŒ ู‡ูŠ ุฒุงุฆุฏ ุฎู…ุณุฉ ูˆู‡ุฐู‡ EO6 ููŠ ุฎู…ุณุฉ EO6 ุจุฎู…ุณุฉ EO2
288
00:29:55,790 --> 00:30:00,150
ู†ุงู‚ุตุŒ ุฅุฐุง ุงู„ู…ุทู„ูˆุจ ุงู„ู„ูŠ ููŠ ุงู„ู†ุต ูŠูƒูˆู† ุฌุฏุงุด ู†ุงู‚ุต ุณุชุฉ
289
00:30:00,150 --> 00:30:07,790
ูˆุนุดุฑูŠู† EO6ุŒ ุฃุถุฑุจ ู„ู‡ูƒ ุณุงู„ุจ ุฎู…ุณุฉ ูˆุนุดุฑูŠู† EO6 ูˆุณุงู„ุจ EO6
290
00:30:07,790 --> 00:30:12,070
ูŠุจู‚ู‰ ุณุงู„ุจ ุณุชุฉ ูˆุนุดุฑูŠู†ุŒ ูŠู…ูƒู† ุชุญู„ูŠู„ู†ุง ู…ุตุจูˆุฎ ู…ุงุฆุฉ
291
00:30:12,070 --> 00:30:17,690
ุจุงู„ู…ุงุฆุฉุŒ ูŠุจู‚ู‰ ุงู„ู…ุนุงุฏู„ุฉ ู‡ุฐู‡ ุตุงุฑุช ุฎู…ุณุฉ EO6 ู†ุงู‚ุต ูˆุงุญุฏ
292
00:30:17,690 --> 00:30:23,910
ููŠ EO6 ู†ุงู‚ุต ุฎู…ุณุฉ ูƒู„ู‡ ุจุฏู‡ ูŠุณุงูˆูŠ ZeroุŒ ูŠุจู‚ู‰ ุฅู…ุง ุฎู…ุณุฉ
293
00:30:23,910 --> 00:30:28,930
ููŠ EO6 ู†ุงู‚ุต ูˆุงุญุฏ ุจุฏู‡ ูŠุณุงูˆูŠ Zero ูˆุงู„ู€ ุซุงู†ูŠุฉ ุงู„ู€ EO6
294
00:30:28,930 --> 00:30:34,280
ู†ุงู‚ุต ุฎู…ุณุฉ ุจุฏู‡ ูŠุณุงูˆูŠ ZeroุŒ ู‡ุฐู‡ ู…ุนู†ุงู‡ุง ุฃู† ุงู„ู€ E ุฃูุณ X
295
00:30:34,280 --> 00:30:38,800
ุจุฏู‡ ูŠุณุงูˆูŠ ุฎู…ุณุฉ ูˆู‡ุฐู‡ ู…ุนู†ุงู‡ุง ุฃู† ุงู„ู€ E ุฃูุณ X ุจุฏู‡ ูŠุณุงูˆูŠ
296
00:30:38,800 --> 00:30:49,760
ูƒุฏู‡ุŸ ุฎู…ุณุฉุŒ ุฎุฐ ู„ู„ุทุฑููŠู† ูŠุจู‚ู‰ ุงู„ู€ X ูŠุณุงูˆูŠ ู„ู„ุฎู…ุณุฉ ู„ู„ุฎู…ุณุฉ
297
00:30:49,760 --> 00:30:56,720
ุงู„ู„ูŠ ู‡ูˆ ูƒุฏู‡ุŸ ุณุงู„ุจ ู„ู„ุฎู…ุณุฉุŒ ูŠุจู‚ู‰ ู‡ุฐุง ุณุงู„ุจ ู„ู„ุฎู…ุณุฉ ุฅูŠู‡
298
00:30:56,720 --> 00:31:02,770
ุฅูŠุด ุฑุฃูŠูƒ ููŠ ุงู„ุดุบู„ ู‡ุฐุงุŸ ู…ู‚ุจูˆู„ ู‡ุฐุงุŸ ู…ุด ู…ู‚ุจูˆู„ุŒ ู„ูŠุดุŸ ุฅู†ู‡
299
00:31:02,770 --> 00:31:07,410
ู‚ุงู„ ุดุฑุท ุนู„ูŠ X ุฃูƒุจุฑ ู…ู† ุงู„ู€ ZeroุŒ ู‡ุฐุง ุจูŠุนุทูŠู†ุง ุฑู‚ู… ุฃู‚ู„
300
00:31:07,410 --> 00:31:13,230
ู…ู† ุงู„ู€ Zero ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ูƒู„ุงู… ู…ุฑููˆุถุŒ ูŠุจู‚ู‰ impossible
301
00:31:13,230 --> 00:31:21,010
ู‡ุฐุง ูƒู„ุงู… ุบูŠุฑ ู…ู…ูƒู†ุŒ ู‡ุดูŠู„ ู…ู…ูƒู†ุŒ ุขุฎุฐ ุงู„ู€ len ู„ู„ุซุงู†ูŠุฉ ูŠุจู‚ู‰
302
00:31:21,010 --> 00:31:27,210
X ุจุฏู‡ุง ุชุณุงูˆูŠ ู‚ุฏุงุดุŸ ู„ู† ุงู„ุฎู…ุณุฉุŒ ู‡ุฐู‡ ู‡ูŠ ุงู„ุฅุฌุงุจุฉ ุงู„ุตุญูŠุญุฉ
303
00:31:27,210 --> 00:31:29,790
ู„ู‡ุฐู‡ ุงู„ู…ุณุฃู„ุฉ
304
00:31:36,970 --> 00:31:47,290
ุงู„ู…ุซุงู„ ุงู„ุซุงู†ูŠ ุจูŠู‚ูˆู„ simplify the
305
00:31:47,290 --> 00:31:51,990
following expressions
306
00:31:55,290 --> 00:32:01,370
ุจุณูŠุท ู„ูŠ ูƒู„ู‡ ู…ู† ุงู„ุตูŠุบุฉ ุงู„ุชุงู„ูŠุฉุŒ ุงู„ุตูŠุบุฉ ุงู„ุฃูˆู„ู‰ ุงู„ู„ูŠ
307
00:32:01,370 --> 00:32:10,550
ู‡ูˆ sin ู„ู…ู†ุŸ ู„ู€ ุงุซู†ูŠู† ู„ู† ุงู„ุฃูƒุณ ุฃุธู†
308
00:32:10,550 --> 00:32:14,510
ุฃุฎุฐู†ุง ู‡ุฐู‡ ุงู„ุฃุดูƒุงู„ ููŠ ู…ุนูƒูˆุณ ุงู„ุฏูˆุงู„ ุงู„ู…ุซู„ุซูŠุฉ ูุฑู‡
309
00:32:14,510 --> 00:32:19,770
ู…ุธุจูˆุทุŒ ูˆูƒู†ุง ุจู†ุฌู„ ุงู„ู…ุซู„ุซ ูˆุจู†ุฑุณู…ู‡ ูˆุจู†ุทู„ู‚ ุงู„ู‚ูŠุงู…ุŒ
310
00:32:19,770 --> 00:32:24,310
ุทุจุนู‹ุงุŒ ุจุณ ุฃู†ุง ู…ุง ุนู†ุฏูŠุด ู…ุซู„ุซุŒ ู„ูƒู† ุนู†ุฏูŠ ุชุนุฑูŠู ู„ู…ูŠู†ุŸ
311
00:32:24,310 --> 00:32:29,390
ู„ู„ุณู†ุฌุŒ ูŠุจู‚ู‰ ุฃู†ุง ุงู„ุขู† ู…ุดุงู† ุฃุนุฑู ู‡ุฐู‡ ุงู„ู‚ูŠู…ุฉุŒ ุจุฏูŠ
312
00:32:29,390 --> 00:32:34,810
ุฃุฑุฌุน ู„ุชุนุฑูŠู ุงู„ุณู†ุฌุŒ ุณู†ุด ุงู„ู€ X ู‡ูˆ E ุฃุณ X ู†ุงู‚ุต E ุฃุณ ู†ุงู‚ุต
313
00:32:34,810 --> 00:32:41,330
X ุนู„ู‰ ุงุซู†ูŠู†ุŒ ู…ูƒุงู† ุงู„ู€ X ูƒุฏู‡ ุดุฌุงู†ูŠุŒ ูŠุจู‚ู‰ E ุฃุณ ุงุซู†ูŠู† ู„ู†
314
00:32:41,330 --> 00:32:47,470
ุงู„ู€ X ู†ุงู‚ุต E ุฃุณ ู†ุงู‚ุต ุงุซู†ูŠู† ู„ู† ุงู„ู€ X ุนู„ู‰ ุงุซู†ูŠู†ุŒ ูŠุจู‚ู‰
315
00:32:47,470 --> 00:32:53,710
ู‡ุฐุง ูŠุณุงูˆูŠ E ุฃุณ ุงุซู†ูŠู† ู„ู† ุงู„ู€ X ู†ุงู‚ุต E ุฃุณ ู†ุงู‚ุต ุงุซู†ูŠู†
316
00:32:53,710 --> 00:32:59,060
ู„ู† ุงู„ู€ X ูƒู„ ู‡ุฐุง ุนู„ู‰ ุฅูŠู‡ุŸ ุนู„ู‰ ุงุซู†ูŠู†ุŒ ุจู†ุฑุฌุน ู„ู€
317
00:32:59,060 --> 00:33:04,840
Exponential Function ุณุจุนุฉ ุชู„ุงุชุฉ ู†ู‚ูˆู„ ู„ู‡ ุงู‡ ูŠุนู†ูŠ
318
00:33:04,840 --> 00:33:10,060
ู‡ุฐุง ู„ูˆ ุจุณุท ุจุฏูŠุด ุฃุดูˆู ุงู„ู…ุณุฃู„ุฉ ู„ุง exponential ูˆู„ุง
319
00:33:10,060 --> 00:33:15,060
ุญุชู‰ len ู…ุดุงู† ู‡ูŠูƒ ุจู†ู‚ูˆู„ ุจุณูŠุทุฉ ู‡ุฐุง ุฑู‚ู… ู‚ุจู„ ุงู„ู€ len
320
00:33:15,060 --> 00:33:23,330
ุฅุฐุง ุจูŠุฌูŠ ุฃุณู„ู…ูŠู†ู„ู„ X ูŠุจู‚ู‰ ู‡ุฐุง E ุฃุณ ู„ X ุชุฑุจูŠุน ูˆู‡ุฐุง
321
00:33:23,330 --> 00:33:32,500
ู†ุงู‚ุต E ุฃุณ ู„ X ุฃุณ ุณุงู„ุจ ุงุซู†ูŠู†ุŒ ู‡ุฐุง ุจูŠู„ุบูŠ ุงู„ุซุงู†ูŠ ู„ุฅู† ู‡ูˆ
322
00:33:32,500 --> 00:33:38,120
ุฏู‡ ู„ูˆ ู…ุนูƒูˆุณู‡ุง ุจูŠุจู‚ู‰ ู„ุงู†ุฏูŠ ู‚ุฏุงุดุŸ X ุชุฑุจูŠุน ู†ุงู‚ุต X ุฃุณ
323
00:33:38,120 --> 00:33:44,580
ู†ุงู‚ุต ุงุซู†ูŠู† ุนู„ู‰ ุงุซู†ูŠู†ุŒ ุฃูˆ ุฅู† ุดุฆุชู… ูู‚ูˆู„ูˆุง X square
324
00:33:44,580 --> 00:33:50,380
ู†ุงู‚ุต ูˆุงุญุฏ ุนู„ู‰ X square ูƒู„ู‡ ุนู„ู‰ ุงุซู†ูŠู†ุŒ ุฃูˆ ุจุตูŠุบุฉ ุฃุฎุฑู‰
325
00:33:50,380 --> 00:33:56,620
ู„ูˆ ูˆุญุฏู†ุง ุงู„ู…ู‚ุงู…ุงุช ุจูŠุตูŠุฑ X ุฃุณ ุฃุฑุจุนุฉ ู†ุงู‚ุต ูˆุงุญุฏ ูƒู„ู‡
326
00:33:56,620 --> 00:34:02,180
ุนู„ู‰ ุงุซู†ูŠู† X ุชุฑุจูŠุนุŒ ูŠุจู‚ู‰ ู‡ุฐู‡ ุงู„ู…ุซู„ุฉ ู„ุง ููŠู‡ุง Sing ูˆู„ุง
327
00:34:02,180 --> 00:34:06,380
ููŠู‡ุง Lin ูŠุจู‚ู‰ ู„ู…ุง ูŠู‚ูˆู„ ู„ุจุณุทู‡ุง ูŠุนู†ูŠ ุงุชุฎู„ุต ู…ู† ูƒู„
328
00:34:06,380 --> 00:34:11,420
ุงู„ูƒู„ูƒุฉ ุงู„ู„ูŠ ุนู†ุฏูƒ ูˆุงุชุญุงู„ูŠ ุจุฏู„ุงู„ุฉ ู…ู†ุŸ ุจุฏู„ุงู„ุฉ XุŒ ุทูŠุจ
329
00:34:11,420 --> 00:34:19,980
ู†ูŠุฌูŠ ู„ู†ู…ุฑ ุจูŠู‡ุŒ ุฃูˆู„ ู†ู‚ุทุฉ ุซุงู†ูŠุฉ ุงุนุชุจุฑ ู‡ุฐู‡ A ูˆู‡ุฐู‡ BุŒ ู†ู…ุฑ
330
00:34:19,980 --> 00:34:30,400
ุจูŠู‡ ุจูŠู‚ูˆู„ ุจุฏูŠ ู‚ุฏุงุดุŸ ู„ู† ู„ุฌูˆุด ุงู„ู€ X ุฒุงุฆุฏ ุณู†ุด ุงู„ู€ X ุฒุงุฆุฏ
331
00:34:30,400 --> 00:34:37,420
ู„ู† ุฌูˆุด ุงู„ู€ X ู†ุงู‚ุต ุณู†ุด ุงู„ู€ XุŒ ู…ุง ุดุงุก ุงู„ู„ู‡ ุนู„ูŠู‡ุง ูŠุนู†ูŠ
332
00:34:37,420 --> 00:34:44,820
ู…ุด ุตุบูŠุฑุฉุŒ ูƒุจูŠุฑุฉ ุฎุงู„ุตุŒ ุทุจุนู‹ุงุŸ ุทูŠุจุŒ ู‡ุฐู‡ ุจุณูŠุทุฉุŒ ุจู‚ูˆู„ู‡
333
00:34:44,820 --> 00:34:49,620
ูŠุณุชูˆูŠุŒ ุฅูŠุด ุจุชุฎุชุงุฑู‡ุง ุนู„ูŠู†ุง ู…ุดุงู† ู†ุจุณุท ู‚ูŠู…ุฉ ุงู„ู…ุนุฑูุฉุŸ
334
00:34:49,620 --> 00:34:54,680
ู†ุณู…ุน ุงู„ู…ู‚ุชุฑุญ ุงู„ุฃูˆู„ุŒ ู†ุนู…ู„ ู‡ุถุฑ ู†ุนู…ู„ ู‡ุถุฑุŒ ู‡ุฐู‡ ูˆุฌู‡ุฉ ู†ุธุฑ
335
00:34:54,680 --> 00:34:59,080
ุณู„ูŠู…ุฉุŒ ู„ู…ุง ู†ุดูˆู ู‡ู„ ู‡ู†ุงูƒ ูˆุฌู‡ุงุช ู†ุธุฑ ุฃุฎุฑู‰ ูˆู„ุง ู„ุงุŒ
336
00:34:59,080 --> 00:35:03,240
ุฎู„ูŠู†ุง ู†ุทุจู‚ ุงู„ู„ูŠ ู‚ุงู„ ุนู†ู‡ุŒ ุฒู…ูŠู„ูƒูˆ ุจูŠู‚ูˆู„ุŒ ุดูˆ ุงุณู…ูƒ ุฃู†ุชุŸ
337
00:35:06,420 --> 00:35:12,040
ุฃุฎูˆูƒ ู…ุญู…ุฏ ุญู…ุฏุง ุจูŠู‚ูˆู„ ุฅูŠู‡ุŸ ุจูŠู‚ูˆู„ ู„ู† ุฒุงุฆุฏ ุงู† ู„ูˆ
338
00:35:12,040 --> 00:35:16,540
ุฑุงุฌุนู†ุง ู„ู€ section 7 ุงุซู†ูŠู† ุจูŠู‚ูˆู„ ู‡ุฐุง ู„ู† ุญุงุตู„ ุงู„ุถุฑุจ
339
00:35:16,540 --> 00:35:20,240
ู„ุฅู† ุงู„ู„ูŠ ู„ู…ุง ุจูŠุฏุฎู„ ุนู„ู‰ ุงู„ุถุฑุจ ุจูŠุญูˆู„ู‡ ุฅู„ู‰ ุฌุงู…ุนุฉ
340
00:35:20,240 --> 00:35:26,420
ุจูŠู‚ูˆู„ู‡ ูˆุงู„ู„ู‡ ู…ุธุจูˆุทุŒ ูŠุจู‚ู‰ ู„ู† ุฌูˆุด ุงู„ู€ X ุฒุงุฆุฏ essential
341
00:35:26,420 --> 00:35:33,440
X ููŠ ุฌูˆุด ุงู„ู€ X ู†ุงู‚ุต essential XุŒ ุจูŠู‚ูˆู„ู‡ ูˆุงู„ู„ู‡ ูƒู„ุงู…ูƒ
342
00:35:33,440 --> 00:35:41,870
ู…ุธุจูˆุทุŒ ู„ูƒู„ ุณุคุงู„ ู‡ูˆ ุดุฑุงูŠูƒ ููŠ ุงู„ุฌุซูŠู† ู‡ุฏูˆู„ุŒ ู…ุด ู‡ูˆ ุชุญู„ูŠู„
343
00:35:41,870 --> 00:35:46,970
ูุฑู‚ ุจูŠู† ุงู„ู…ุฑุจุนูŠู†ุŒ ุฅุฐุง ุจุฏูŠ ุฃุฑุฌุนู‡ ุฅู„ู‰ ุฃุตู„ู‡ ู‚ุจู„
344
00:35:46,970 --> 00:35:54,830
ุงู„ุชุญู„ูŠู„ ูŠุจู‚ู‰ ู‡ุฐุง ุจุฏู‡ ูŠุณุงูˆูŠ ู„ุงู† ุฌูˆุด square X ู†ุงู‚ุต
345
00:35:54,830 --> 00:36:00,650
ุณู†ุด square X ูˆูŠุณุงูˆูŠ ู„ุงู†
346
00:36:01,300 --> 00:36:06,780
ู‚ุฏุงุดุŸ ู‡ุฐุง ู…ู† ุงู„ู…ุชุทุงุจู‚ุงุช ู‚ุจู„ ุดูˆูŠุฉุŸ ูˆุงุญุฏ ุตุญูŠุญุŒ ุทุจ ูˆ
347
00:36:06,780 --> 00:36:11,060
ู„ุฅู† ุงู„ูˆุงุญุฏ ุตุญูŠุญ ูู‚ุฏุงุดุŸ ูŠุนู†ูŠ ู‡ุงู„ูƒู„ูƒุฉ ุนู„ู‰ ูƒุจูŠุฑุฉ ู…ุง
348
00:36:11,060 --> 00:36:15,460
ุดุงุก ุงู„ู„ู‡ ุนู„ูŠู‡ ุทู„ุนุช ุจุงู„ุตูุฑุŒ ุทุจ ู‡ุฐุง ุงู‚ุชุฑุงุญ ู…ุญู…ุฏ ุญู…ุฏุงุŒ
349
00:36:15,460 --> 00:36:20,490
ู†ุณู…ุน ุงู‚ุชุฑุงุญุŒ ุดูˆ ุงุณู…ูƒ ุฃู†ุชุŸ ู…ุญู…ุฏ ุฃุจูˆ ุงู„ุฎูŠุฑุŒ ู…ุญู…ุฏ ุฃุจูˆ
350
00:36:20,490 --> 00:36:23,730
ู…ุญู…ุฏ ุฃุจูˆ ุงู„ุฎูŠุฑุŒ ู‡ุงุช ู„ู†ุง ู…ู† ู‡ุฐุง ุงู„ุฎูŠุฑ ุงู„ู„ูŠ ุนู†ุฏูƒ ูŠู„ุง
351
00:36:23,730 --> 00:36:26,870
ูƒู„ุงู…
352
00:36:26,870 --> 00:36:31,170
ูƒูˆูŠุณุŒ ูŠุจู‚ู‰ ู‡ุฐุง ุฑุฌุน ู„ู…ูŠู†ุŸ ู…ุญู…ุฏ ุฃุจูˆ ุงู„ุฎูŠุฑ ุฑุฌุน
353
00:36:31,170 --> 00:36:38,250
ู„ู„ู…ุชุทุงุจู‚ุงุช ุงู„ู„ูŠ ุงุชูƒู„ู…ู†ุง ุนู„ูŠู‡ุง ูˆุฑุงุญ ู„ุขุฎุฑ ู…ุชุทุงุจู‚ุชูŠู†
354
00:36:38,250 --> 00:36:43,490
ูƒุชุจู†ุงู‡ู… ูู…ูŠู†ุŸ ููŠ ู…ุฌู…ูˆุนุฉ ุงู„ู…ุชุทุงุจู‚ุงุชุŒ ุฌุงู„ูŠ ู‡ู†ุง
355
00:36:43,490 --> 00:36:47,110
another solution
356
00:36:48,400 --> 00:36:53,700
ุดูˆู ูŠุง ุณูŠุฏูŠุŒ ุฃุฌูŠ ู‚ุงู„ ู„ูŠ ู‡ุฐุง ุงู„ู€ Lin ุงู„ุฃูˆู„ู‰ ู‡ุฐูŠ ุดู„ุฉ
357
00:36:53,700 --> 00:36:59,260
ูˆุญุท ุจุฏู„ู‡ุง ู…ูŠู†ุŸ EO6ุŒ ู‚ู„ู†ุง ู„ู‡ ูˆุงู„ู„ู‡ ูƒู„ุงู…ูƒ ู…ุธุจูˆุทุŒ ูˆ
358
00:36:59,260 --> 00:37:05,180
ุฃุฌูŠ ู„ู„ุชุงู†ูŠุฉ ูˆู‚ุงู„ ู„ูŠ ู„ู† ู‡ุฐูŠ EO ุณุงู„ุจ XุŒ ูˆุจุนุฏ ุฐู„ูƒ
359
00:37:05,180 --> 00:37:10,820
ุฑุงุญ ุฃุณุชุฎุฏู… ุตู„ุงุญูŠุงุช ุงู„ู€ LinุŒ ูŠุจู‚ู‰ ู‡ุฐูŠ ุจูŠุตูŠุฑ X ููŠ ู„ู†
360
00:37:10,820 --> 00:37:17,000
ุงู„ู€ EุŒ ุทุจ ู„ู† ุงู„ู€ E ุจู‚ุฏุงุดุŸ ุจูˆุงุญุฏุŒ ูŠุจู‚ู‰ ุจุฏู„ ุงู„ู€ X ูˆู‡ุฐู‡
361
00:37:17,000 --> 00:37:21,600
ู†ุงู‚ุต X ููŠ ู„ู† ุงู„ู€ E ุงู„ู„ูŠ ู‡ูŠ ุจูˆุงุญุฏุŒ ุฅู„ุง ู„ูˆ ู‡ูŠ ุทู„ุนุช
362
00:37:21,600 --> 00:37:27,120
ุฌุฏุงุด Zero ุฒูŠ ุงู„ู„ูŠ ุฌุงุจ ู„ู‡ุงุŒ ูŠุจู‚ู‰ ุงู„ุญู„ ุงู„ุฃูˆู„ ุฃูˆ ุงู„ุญู„
363
00:37:27,120 --> 00:37:34,860
ุงู„ุซุงู†ูŠ ูƒู„ุงู‡ู…ุง ุตุญูŠุญ ูˆู„ุง ุงุนุชุฑุงุถ ุนู„ู‰ ุฃูŠ ู…ู†ู‡ู…ุงุŒ ูˆู„ูƒู†
364
00:37:34,860 --> 00:37:38,420
ุงู„ุฎูŠุงุฑ ุนุงุฏู„ ุชุดูˆูู‡ ุฃุณู‡ู„ูƒ ุงู…ุดูŠ ููŠู‡
365
00:37:48,770 --> 00:37:54,370
ุทูŠุจ ู‡ุฐุง ูƒุงู† ุงู„ู…ุซุงู„ ุงู„ุซุงู†ูŠุŒ ู†ุฐู‡ุจ ุฅู„ู‰ ุงู„ู…ุซุงู„ ุงู„ุซุงู„ุซ
366
00:37:54,370 --> 00:38:08,210
ุชู„ุงุชุฉุŒ find y' for each of the followingุŒ ุจุฏู†ุง ู…ุดุชู‚ุฉ
367
00:38:08,210 --> 00:38:20,150
ูƒู„ ู…ู† ุงู„ุฏูˆุงู„ ุงู„ุชุงู„ูŠุฉุŒ Y ุชุณุงูˆูŠ ุงุซู†ูŠู† ุฌุฐุฑ ุงู„ู€ X ููŠ ุชุงู†ุด
368
00:38:20,150 --> 00:38:23,430
ู„ุฌุฐุฑ ุงู„ู€ X
369
00:38:32,010 --> 00:38:36,790
ู„ูˆ ู†ุธุฑุช ู„ูŠ ู‡ุฐู‡ ุงู„ุฏุงู„ุฉ ุจู„ุงุญุธ ุฃู† ู‡ุฐู‡ ุชุนุชุจุฑ ุฏุงู„ุฉ ูˆู‡ุฐู‡
370
00:38:36,790 --> 00:38:42,110
ุฏุงู„ุฉุŒ ุฅุฐู‹ุง ุฃู† ุนู†ุฏูŠ ู…ุดุชู‚ุฉ ุญุงุตู„ ุถุฑุจ ุฏุงู„ุชูŠู†ุŒ ูŠุจู‚ู‰
371
00:38:42,110 --> 00:38:48,900
ุจุงุฌูŠ ุจู‚ูˆู„ู‡ ุงู„ู€ Y' ูŠุณุงูˆูŠ ุงู„ุฏุงู„ุฉ ุงู„ุฃูˆู„ู‰ ููŠ ู…ุดุชู‚ุฉ ุงู„ุฏุงู„ุฉ
372
00:38:48,900 --> 00:38:57,080
ุงู„ุซุงู†ูŠุฉุŒ ุชูุงุถู„ ุงู„ุชุงู†ุด ุฌุฏุฑ six squared ุฌุฐุฑ ุงู„ู€ X ุถุฑุจ
373
00:38:57,080 --> 00:39:02,140
ู…ุดุชู‚ุฉ ู…ู† ุฌุฐุฑ ุงู„ุฒุงูˆูŠุฉุŒ ู…ุดุชู‚ุฉ ุงู„ุฌุฐุฑ ูˆุงุญุฏ ุนู„ู‰
374
00:39:02,140 --> 00:39:08,460
ุงุซู†ูŠู† ุฌุฐุฑุŒ ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ุฃูˆู„ู‰ ููŠ ู…ุดุชู‚ุฉ ุงู„ุซุงู†ูŠุฉ ุฒุงุฆุฏ
375
00:39:08,460 --> 00:39:16,690
ุงู„ุฏุงู„ุฉ ุงู„ุซุงู†ูŠุฉ ุงู„ู„ูŠ ู‡ูŠ ุชุงู†ุด ุฌุฐุฑ ุงู„ู€ X ููŠ ู…ุดุชู‚ุฉ
376
00:39:16,690 --> 00:39:21,250
ุงู„ุฃูˆู„ู‰ ุงุซู†ูŠู† ู…ุงู„ูƒุด ุฏุนูˆุฉ ูˆู…ุดุชู‚ุฉ ุฌุฐุฑ ุงู„ู€ X ุงู„ู„ูŠ ู‡ูˆ
377
00:39:21,250 --> 00:39:29,630
ุฌุฐุงุด ูˆุงุญุฏ ุนู„ู‰ ุงุซู†ูŠู† ุฌุฐุฑ ุงู„ู€ X ูŠุณุงูˆูŠ ุนุธู… ุฅู† ุงุซู†ูŠู† ุฌุฐุฑ
378
00:39:29,630 --> 00:39:34,950
ุงู„ู€ X ู…ุน ุงุซู†ูŠู† ุฌุฐุฑ ุงู„ู€ X ู…ุน ุงู„ุณู„ุงู…ุฉ ูˆุงุซู†ูŠู† ู‡ุฐู‡ ู…ุน
379
00:39:34,950 --> 00:39:39,470
ุงู„ุณู„ุงู…ุฉ ู…ุน ุงุซู†ูŠู† ู‡ุฐู‡ ูŠุจู‚ู‰ ุขู„ุฉ ุงู„ู…ุณุฃู„ุฉ ุฅู„ู‰ ุงู„ุดูƒู„
380
00:39:39,470 --> 00:39:48,150
ุงู„ุชุงู„ูŠ ุณูŠู†ุด ุณูƒูˆูŠุฑ ู„ุฌุฐุฑ ุงู„ู€ X ุฒุงุฆุฏ ุชุงู†ุด ู„ุฌุฐุฑ ุงู„ู€ X ูƒู„ู‡
381
00:39:48,150 --> 00:39:55,230
ู…ู‚ุณูˆู…ุง ุนู„ู‰ ู…ูŠู†ุŸ ุนู„ู‰ ุฌุฐุฑ ุงู„ู€ X ุงู„ู†ู‚ุทุฉ ุงู„ุซุงู†ูŠุฉ ู…ู† ุงู„ู€
382
00:39:55,230 --> 00:40:05,690
derivatives ู†ู…ุฑ ุงุซู†ูŠู† ุจูŠู‚ูˆู„ ู„ูŠ Y ุชุณุงูˆูŠ ู„ู† ุณูŠู†ุด ุงู„ู€ X
383
00:40:05,690 --> 00:40:17,110
ู„ู† ุณูŠู†ุด ุงู„ู€ X ุฒุงุฆุฏ ูƒูˆุด ู„ู…ูŠู†ุŸ ู„ู† ุชู„ุงุชุฉ X ุงู„ุดูƒู„ ุนู†ู‡ุง
384
00:40:17,110 --> 00:40:25,310
ุจูŠุจู‚ู‰ ุงู„ู€ Y Prime ุชุณุงูˆูŠ ุทุจุนุง ูˆุงุถุญ ู‡ุฐู‡ function ูˆู‡ุฐู‡
385
00:40:25,310 --> 00:40:30,830
function ูˆุงุซู†ูŠู† ู…ุฌู…ูˆุนุงุช ู…ุน ุจุนุถ ุฌุงู…ุนุฉ ุฅุฐุง ุงุญู†ุง
386
00:40:30,830 --> 00:40:37,390
ุจุฏู†ุง ู…ุดุชู‚ุฉ ุงู„ู…ุฌู…ูˆุน ุงู„ุฌุจุฑูŠ ู„ุฏุงู„ุชูŠู† ูŠุจู‚ู‰ ู…ุดุชู‚ุฉ
387
00:40:37,390 --> 00:40:42,770
ุงู„ุฃูˆู„ู‰ ุฒุงุฆุฏ ู…ุดุชู‚ุฉ ุงู„ุฏุงู„ุฉ ุงู„ุซุงู†ูŠุฉ
388
00:40:45,480 --> 00:40:53,260
ู…ุดุชู‚ุฉ ู„ู† ุงู„ู€ U ุจูˆุงุญุฏ ุนู„ู‰ U ูŠุจู‚ู‰ ูˆุงุญุฏ ุนู„ู‰ ุณูŠู†ุด ุงู„ู€ X
389
00:40:53,260 --> 00:41:00,120
ููŠ ู…ูŠู†ุŸ ููŠ ุชูุงุถู„ ุงู„ุณู†ุด ุงู„ู„ูŠ ู‡ูˆ ุจุฌูˆุด ูŠุจู‚ู‰ ุฌูˆุด ุงู„ู€ X
390
00:41:00,120 --> 00:41:09,380
ุฒุงุฆุฏ ุงู„ูƒูˆุด ุชูุงุถู„ู‡ุง ุจุงู„ุณุงู„ุจ ุณุด ุชุงู†ุด ูŠุจู‚ู‰ ุณุงู„ุจ ุณุงู„ุจ
391
00:41:09,380 --> 00:41:16,060
ูƒูˆุด ูƒุชุงู†ุด ู‚ุตุฏูŠ ุณุงู„ุจ ูƒูˆุด ุงู„ู„ูŠ ู‡ูˆ ู„ู† ุชู„ุงุชุฉ X
392
00:41:16,060 --> 00:41:26,080
ูƒุชุงู†ุด ู„ู…ูŠู†ุŸ ู„ู† ุชู„ุงุชุฉ X ู„ู…ุดุชู‚ุฉ ู…ู† ุงู„ุฒุงูˆูŠุฉ ูŠุจู‚ู‰ ู‡ู†ุง
393
00:41:26,080 --> 00:41:33,690
ูˆุงุญุฏ ุนู„ู‰ ุชู„ุงุชุฉ X ููŠ ุฌุฐุงุด ููŠู‡ ุชู„ุงุชุฉ ุทุจุนุง ููŠ ุงุฎุชุตุงุฑุงุช
394
00:41:33,690 --> 00:41:39,470
ุจู†ู‚ุฏุฑ ู†ู‚ูˆู„ ุงู„ุชู„ุงุชุฉ ู‡ุฐู‡ ู…ุน ุงู„ุชู„ุงุชุฉ ู‡ุฐู‡ ูˆุจุงู„ุชุงู„ูŠ ุขู„ุฉ
395
00:41:39,470 --> 00:41:44,970
ุงู„ู…ุดุชู‚ุฉ ุฅู„ู‰ ุงู„ุดูƒู„ ุงู„ุชุงู„ูŠ ุฌูˆุด ุนู„ู‰ ุณูŠู†ุด ุงู„ู„ูŠ ู‡ูˆ
396
00:41:44,970 --> 00:41:53,690
ูƒูˆุชุงู†ุดู†ุช ุงู„ู€ X ูˆู‡ุฐู‡ ู†ุงู‚ุต ูˆู‡ุฐุง ูƒูˆุชุงู†ุดู†ุช ู„ู…ูŠู†ุŸ ู„ู† ุชู„ุงุชุฉ X
397
00:41:53,690 --> 00:42:01,730
ูƒูˆุชุงู†ุดู†ุช ู„ู† ุชู„ุงุชุฉ X ูƒู„ู‡ ู…ู‚ุณูˆู…ุง ุนู„ู‰ ู…ูŠู†ุŸ ุนู„ู‰ X
398
00:42:01,730 --> 00:42:06,470
ุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู‡ุง ุงู„ู†ู‚ุทุฉ
399
00:42:06,470 --> 00:42:12,610
ุงู„ุซุงู„ุซุฉ ุงู„ู†ู‚ุทุฉ ุงู„ุซุงู„ุซุฉ ุจูŠู‚ูˆู„ ู„ูŠ Y ุชุณุงูˆูŠ
400
00:42:15,690 --> 00:42:26,090
ุฌูˆุด ุฃุณ ุฎู…ุณุฉ ุฌูˆุด ุงู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุนูŠ ู„ู€ ุฅูŠ ุฃุณ ุชู„ุงุชุฉ X
401
00:42:26,090 --> 00:42:27,430
ุฒุงุฆุฏ ุงุซู†ูŠู†
402
00:42:32,580 --> 00:42:38,740
ู‡ุฐุง ูƒุฃู†ู‡ ู‚ูˆุณ ูˆุงู„ู‚ูˆุณ ูƒู„ ู‚ูˆุณ ูƒู…ุŸ ู‚ูˆุณ ุฎู…ุณุฉ ูŠุจู‚ู‰ ู…ู†
403
00:42:38,740 --> 00:42:42,560
ุงู„ู€ share rule ู‚ูˆู„ู†ุง ุงู„ู‚ูˆุณ ููŠ ุงู„ู‚ูˆุณ ู…ุฑููˆุน ู„ู†ูุณ
404
00:42:42,560 --> 00:42:48,020
ุงู„ู‚ูˆุณ ู…ุทุฑูˆุญ ู…ู†ู‡ ูˆุงุญุฏ ููŠ ู…ุดุชู‚ุฏ ู…ุง ุฏุงุฎู„ ุงู„ู‚ูˆุณ ูŠุจู‚ู‰
405
00:42:48,020 --> 00:42:54,440
ุงู„ู€ wire prime ุชุณุงูˆูŠ ุงู„ู‚ูˆุณ ููŠ ุงู„ู‚ูˆุด ู…ุฑููˆุน ู„ู†ูุณ
406
00:42:54,440 --> 00:42:57,440
ุงู„ู‚ูˆุณ ู…ุทุฑูˆุญ ู…ู†ู‡ ูˆุงุญุฏ
407
00:42:59,600 --> 00:43:06,620
ุชู…ุงู…ุŸ ููŠ ู…ุดุชู‚ุฉ ู…ุฏุงุฎู„ ุงู„ู‚ูˆุณ ู…ุดุชู‚ุฉ ุงู„ู‚ูˆุด ุงู„ู€ cinch
408
00:43:06,620 --> 00:43:13,940
ูŠุจู‚ู‰ ู‡ุฐุง cinch ู…ู† ุงู„ุฌุฏุฑ ุงู„ุชุฑุจูŠุน ุฅู„ู‰ E ุฃุณ ุซู„ุงุซุฉ X
409
00:43:13,940 --> 00:43:22,000
ุฒุงุฆุฏ ุงุซู†ูŠู† ููŠ ู…ุดุชู‚ุฉ ุงู„ุฌุฏุฑ ู†ูุณู‡ ู„ุณู‡ ู‚ุจู„ ู…ุง ุจุฏุฃ
410
00:43:22,000 --> 00:43:28,380
ู…ุดุชู‚ุฉ ุงู„ุฌุฏุฑ ุจู‚ู‰ ูˆุงุญุฏ ุนู„ู‰ ุงุซู†ูŠู† ุงู„ุฌุฐุฑ ูŠุจู‚ู‰ ูˆุงุญุฏ ุนู„ู‰
411
00:43:28,380 --> 00:43:34,580
ุงุซู†ูŠู† ุงู„ุฌุฐุฑ ุงู„ุชุฑุจูŠู‡ ุงู„ูŠ E ุฃุณ ุชู„ุงุชุฉ X ุฒุงุฆุฏ ุงุซู†ูŠู†
412
00:43:34,580 --> 00:43:41,720
ุงู„ุขู† ููŠ ู…ุดุชู‚ุฉ ู…ุฏุงุฎู„ ุงู„ุฌุฐุฑ ู…ุดุชู‚ุฉ ุงู„ู€ X ุจู†ู†ุดู„ ุจุงู„ู€ X
413
00:43:41,720 --> 00:43:48,180
ุจู†ู†ุดู„ itself ุถุฑุจ ู…ุดุชู‚ุฉ ุงู„ุฃุณ ู…ุดุชู‚ุฉ ุงุซู†ูŠู† F0
414
00:43:48,180 --> 00:43:53,700
ุงุฎุชุตุงุฑุงุช ุงู„ุญู…ุฏ ู„ู„ู‡ ู„ุง ูŠูˆุฌุฏ ููŠู‡ุง ุฃูŠ ุงุฎุชุตุงุฑ ูŠุจู‚ู‰
415
00:43:53,700 --> 00:43:55,000
ุจู†ุฎู„ูŠู‡ุง ุฒูŠ ู…ุง ู‡ูŠ
416
00:44:02,040 --> 00:44:17,740
Y ุชุณุงูˆูŠ ุณูŠู†ุด ู„ู…ูŠู†ุŸ ู„ุชุงู† ุงู„ู€ X ุณูŠู†ุด ู„ุชุงู† ุงู„ู€ X ุฒุงุฆุฏ ูƒุชุงู†
417
00:44:17,740 --> 00:44:22,780
inverse ู„ู…ูŠู†ุŸ ู„ุณูŠู†ุด ุงู„ู€ X
418
00:44:26,010 --> 00:44:33,910
ุฎู„ู‘ูŠ ุจุงู„ูƒ ู…ุนุงู†ุง ุดุงูŠู ูƒูŠู ู…ูƒุชูˆุจุฉ ุญุฑููŠุง ุฑุงุจุท ุงู„ุฏูˆุงู„
419
00:44:33,910 --> 00:44:41,630
ุงู„ู…ุซู„ุซูŠุฉ ู…ุน ุงู„ุฏูˆุงู„ ุงู„ุฒุงุฆุฏูŠุฉ ู‚ุตุฏูŠู†ู‡ุง ู…ุชุนู…ุฏูŠู† ุทุจุนุง
420
00:44:41,630 --> 00:44:46,350
ู†ู‡ูŠูƒ ุนู„ู‰ ุฃู† ู‡ุฐู‡ ู…ุนุฑูุฉ ู„ุฃู† ุงู„ุณู†ุด ุนู„ู‰ ูƒู„ ุงู„ู€ real
421
00:44:46,350 --> 00:44:50,950
line ูˆุงู„ู€ cotton inverse ุนู„ู‰ ูƒู„ ุงู„ู€ real line
422
00:44:52,770 --> 00:44:58,470
ู…ุชุนู…ู„ูŠู† ูˆุจุงู„ุชุงู„ูŠ ู…ุงุนู†ุง ู…ุดูƒู„ุฉ ููŠ ู‡ุฐู‡ ุงู„ุญุงู„ุฉ ูŠุจู‚ู‰ Y'
423
00:44:59,010 --> 00:45:03,990
ูŠุณุงูˆูŠ ู‡ุฐู‡ ูƒู„ู‡ุง ุชุนุชุจุฑ ูƒูŠุงู†ู‡ุง ุฒูŠ ุงู„ุฒุงูˆูŠุฉ ุจุงู„ู†ุณุจุฉ
424
00:45:03,990 --> 00:45:12,110
ู„ู…ู†ุŸ ู„ู„ุณูŠู†ุด ุฅุฐุง ุงู†ุชูุถู„ ุงู„ุณู†ุด ุจู‚ุฏุงุดุŸ ุจุฌูˆุด ู„ุชุงู† ุงู„ู€ X
425
00:45:12,110 --> 00:45:21,110
ููŠ ุชูุงุถู„ ุชุงู† ุณูƒ ุชุฑุจูŠุน ูŠุจู‚ู‰ ุณูƒ ุชุฑุจูŠุน ุงู„ู€ X ุฏูŠ ุจุงู„ูƒ ูˆ
426
00:45:21,110 --> 00:45:24,150
ุงุญู†ุง ุจู…ุตุญู‰ ููŠ ุงู„ุงู…ุชุญุงู† ุงู„ู…ู„ุงุฌุฆ ูƒุชูŠุฑ ุงู„ู€ H ู‡ุฐูŠ
427
00:45:24,150 --> 00:45:29,210
ุจุชู†ุชู‚ู„ ูˆุฃู† ูƒู„ู‡ ุนู„ู‰ ูƒูŠููƒ ุฒูŠ ุงู„ู„ูŠ ุจู†ุชู‚ู„ ู…ู† ุฒู‡ุฑุฉ
428
00:45:29,210 --> 00:45:33,390
ุฅู„ู‰ ุฒู‡ุฑุฉ ุงู„ู†ุญู„ ูŠุนู†ูŠ ุฃู†ุช ู…ุงููŠุด ุฃู†ุช ุฌูˆุด ู…ู…ูƒู† ุชุจู‚ู‰
429
00:45:33,390 --> 00:45:38,130
ุฌูˆุด ูŠุนู†ูŠ cosine cosine ูŠุจู‚ู‰ ู‡ุฐูŠ ู„ูƒู† ุงุชูุฑุฌ ุจูŠู†
430
00:45:38,130 --> 00:45:43,460
ุงู„ุฏูˆุงู„ ุงู„ุฒุงุฆุฏูŠุฉ ูˆุงู„ุฏูˆุงู„ ุงู„ู…ุซู„ุซูŠุฉ ูŠุจู‚ู‰ ูŠุฎู„ุตู‡ุง ู…ู†
431
00:45:43,460 --> 00:45:48,800
ู…ุดุชู‚ุช ุงู„ุฃูˆู„ู‰ ุงู„ู€ quotient inverse ู…ุดุชู‚ุชู‡ุง ุจุงู„ู†ุงู‚ุต
432
00:45:48,800 --> 00:45:53,320
ู…ุธุจูˆุท quotient inverse ุจุงู„ุฒุงุฆุฏ ูˆ quotient inverse
433
00:45:53,320 --> 00:46:01,740
ุจุงู„ุณุงู„ุจ ุณุงู„ุจ ูˆุงุญุฏ ุนู„ู‰ ูˆุงุญุฏ ุฒุงุฆุฏ ุณูŠู†ุด ุณูƒูˆูŠุฑ X ููŠ
434
00:46:01,740 --> 00:46:08,310
ุชูุงุถู„ ุงู„ุณู†ุด ุงู„ู„ูŠ ู‡ูˆ ุฌุฐุงุด ุจุฌูˆุด ุงู„ู€ X ูŠุจู‚ู‰ ุงู„ู€ 10
435
00:46:08,310 --> 00:46:14,730
inverse X ุณุงู„ุจ ูˆุงุญุฏ ุนู„ู‰ ูˆุงุญุฏ ุฒุงุฆุฏ X ุชุฑุจูŠุน ููŠ ู…ุดุชู‚ุฉ
436
00:46:14,730 --> 00:46:22,390
ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ .. ุงู„ู„ูŠ ู‡ูŠ ุงู„ุฌูˆุด ุทูŠุจ ุงู„ุขู† ู‡ุฐู‡ ุนุจุงุฑุฉ ุนู†
437
00:46:22,390 --> 00:46:29,430
ุฌูˆุด ู„ู…ูŠู†ุŸ ู„ุชุงู†ูŠ ุงู„ู€ X ูƒู„ู‡ ู…ุถุฑูˆุจ ููŠ ุณูŠูƒ ุชุฑุจูŠุน ุงู„ู€ X
438
00:46:29,430 --> 00:46:36,100
ู†ุงู‚ุต ู‡ุฐุง ุงู„ู€ term ูŠุง ุดุจุงุจ ู…ูˆุฌูˆุฏุด ูˆุงุญุฏ ุฒูŠ .. ู…ูŠู† ุงู„ู„ูŠ
439
00:46:36,100 --> 00:46:43,060
ู‚ุงู„ ูˆุงุญุฏุŸ ุงุณุชุนุฌู„ ุงู„ุฒู„ู…ุฉ ูŠุนู†ูŠุŒ ุฃูŠูˆุฉ ูŠุจู‚ู‰ ุฅูŠุงูƒ
440
00:46:43,060 --> 00:46:48,600
ูˆุงู„ุงุณุชุนุฌุงู„ ููŠ ุงู„ุชุฃู…ู† ุงู„ุณู„ุงู…ุฉ ูˆููŠ ุงู„ุนุฌู„ุฉ ุงู„ู†ุฏุงู…ุฉุŒ
441
00:46:48,600 --> 00:46:52,600
ู…ูŠู† ุงู„ู„ูŠ ู‚ุงู„ ูˆุงุญุฏ ุชูˆู‚ูู„ูŠ ุดูˆูŠุฉ ุฃู†ุชุŸ ุฃู†ุชุŸ ุทุจ ุจุชู‚ุฏุฑ
442
00:46:52,600 --> 00:46:56,440
ุชุฌูŠุจู„ูŠ ุขูŠุฉ ููŠู‡ุง ุดุบู„ุฉ ุนู„ู‰ ุงู„ุงุณุชุนุฌุงู„ ู‡ูŠูƒ ู…ู† ูƒุชุงุจ
443
00:46:56,440 --> 00:47:03,730
ุงู„ู„ู‡ุŸ ุจุชู‚ุฏุฑุŸ ุจุงู„ู…ุฑุฉุŸ ุทุจ ู„ูˆ ุบุดุดุชูƒ ุงู„ุตูˆุฑุฉุŒ ุจุชู‚ุฏุฑ ุชุฌูŠุจ
444
00:47:03,730 --> 00:47:11,270
ุงู„ุขูŠุฉุŸ ุตูˆุฑุฉ ุงู„ุฅุณุฑุงุก ุงุณู…ุนูƒ
445
00:47:11,270 --> 00:47:18,190
ูˆูŠู†ุŸ ูˆูŠุฏุนูˆ ุงู„ุฅู†ุณุงู† ุจุงู„ุดุฑ ุฏุนุงู‡ ุจุงู„ุฎูŠุฑ ูˆูƒุงู† ุงู„ุฅู†ุณุงู†
446
00:47:18,190 --> 00:47:23,230
ุนุฌูˆู„ุฉุŒ ุจูŠุณุชุนุฌู„ ูƒุชูŠุฑุŒ ุชู…ุงู…ุŸ ูˆู‡ุฐุง ู‡ูˆ ุงู„ุฐูŠ ุญุฏุซ ู…ุนุงูƒ
447
00:47:24,330 --> 00:47:25,850
ูŠุจู‚ู‰ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ
448
00:47:25,850 --> 00:47:27,190
ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ
449
00:47:27,190 --> 00:47:29,890
ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ
450
00:47:29,890 --> 00:47:37,330
ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ
451
00:47:37,330 --> 00:47:39,630
ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ
452
00:47:39,630 --> 00:47:41,790
ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ
453
00:47:41,790 --> 00:47:44,930
ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ
454
00:47:44,930 --> 00:47:53,270
ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ ูˆุงุทู†ุฉ
455
00:47:53,640 --> 00:48:04,220
ู„ู…ู†ุŸ ู„ุชุงู† ุงู„ู€ X ููŠ ุณูƒ ุชุฑุจูŠุน ุงู„ู€ X ู†ุงู‚ุต ุณุด ุงู„ู€ X
456
00:48:04,220 --> 00:48:11,380
ุงู„ู†ู‚ุทุฉ ุงู„ุฎุงู…ุณุฉ ุงู„ู†ู‚ุทุฉ
457
00:48:11,380 --> 00:48:17,960
ุงู„ุฎุงู…ุณุฉ ุนู†ุฏูƒ Y ุชุณุงูˆูŠ ุฌูˆุด ุงู„ู€ X
458
00:48:33,320 --> 00:48:37,440
ูˆุงุถุญ ุฃู† ู‡ุฐู‡ ุนุจุงุฑุฉ ุนู† ุฃูŠุดุŸ ู‡ุฐู‡ ุนุจุงุฑุฉ ุนู† function
459
00:48:37,440 --> 00:48:43,020
ุซุงู†ูŠุฉ ุฅุฐู† ู‡ุฐู‡ ู…ุดุชู‚ุฉ ุญุงุตู„ ุถุฑุจ ุฏุงู„ุชูŠู† ุจุฏู†ุง ู†ุฑุฌุน ุฅู„ู‰
460
00:48:43,020 --> 00:48:47,880
ู…ุดุชู‚ุฉ ุญุงุตู„ ุถุฑุจ ุฏุงู„ุชูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฃูˆู„ู‰ ููŠ ู…ุดุชู‚ุฉ
461
00:48:47,880 --> 00:48:55,180
ุงู„ุซุงู†ูŠุฉ ุฒุงุฆุฏ ุงู„ุซุงู†ูŠุฉ ููŠ ู…ุดุชู‚ุฉ ุงู„ุฃูˆู„ู‰ ูŠุจู‚ู‰ ู‡ุงูŠ Y
462
00:48:55,180 --> 00:49:02,320
ูŠุณุงูˆูŠ ุฌูˆุด ุงู„ู€ X ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฃูˆู„ู‰ ู…ุดุชู‚ุฉ ุชุงู† inverse ู‡ูˆ 1
463
00:49:02,320 --> 00:49:07,520
ุนู„ู‰ 1 ุฒุงุฆุฏ sinh square X ููŠ ู…ุดุชู‚ุฉ ุงู„ู€ sinh ุงู„ู„ูŠ ู‡ูˆ
464
00:49:07,520 --> 00:49:14,230
cosh ุจู‚ู‰ ุงู„ู€ X ู‡ุฐู‡ ู„ุณู‡ ุงู„ุฃูˆู„ู‰ ููŠ ู…ุดุชู‚ุฉ cosh ุงู„ุซุงู†ูŠุฉ
465
00:49:14,230 --> 00:49:22,470
ุฒุงุฆุฏ ุงู„ุซุงู†ูŠุฉ ููŠ ู…ุดุชู‚ุฉ ุงู„ุฃูˆู„ู‰ ูŠุจู‚ู‰ ู‡ู†ุง tan inverse
466
00:49:22,470 --> 00:49:31,770
ู„ุณู†ุด ุงู„ู€ X ููŠ ู…ุดุชู‚ุฉ ุงู„ุฌูˆุด ุงู„ู„ูŠ ู‡ูˆ cosh ุจุณู†ุด ุงู„ู€ X ุญุฏ
467
00:49:31,770 --> 00:49:37,170
ุดุงูู‡ ูŠู‚ุฏุฑ ูŠู‚ูˆู„ ู„ูŠ ูƒุฏู‡ ุงู„ู…ู‚ุฏุงุฑ ู‡ุฐุง ุณูŠูƒูˆู† ูˆุงุญุฏ ุตุญูŠุญ
468
00:49:45,460 --> 00:49:53,360
ุงู„ู†ุชูŠุฌุฉ ุชุณุงูˆูŠ ูˆุงุญุฏ ุตุญูŠุญ ูˆู‡ู†ุง ุฒุงุฆุฏ ุงู„ู„ูŠ ู‡ูˆ ten
469
00:49:53,360 --> 00:50:04,600
inverse ู„ุณูŠู†ุด ุงู„ู€ X ููŠ ู…ู†ุŸ ููŠ ุณูŠู†ุด ุงู„ู€ X ุทูŠุจ ู†ุฑูˆุญ ู„ู„ู†ู‚ุทุฉ
470
00:50:04,600 --> 00:50:11,500
ุงู„ุณุงุฏุณุฉ ูˆุงู„ุฃุฎูŠุฑุฉ ู…ู† ุงู„ู€ derivatives ูŠู‚ูˆู„
471
00:50:11,500 --> 00:50:17,620
ุงู„ุญู…ุฏ ู„ู„ู‡ ุงู„ุฑุงุฌู„ ู…ุชุถุงูŠู‚ ุชู†ูุฐ ุงู„ุณุนุงุฏุงุก ุทูŠุจ ูŠุจู‚ู‰ ุณุชุฉ
472
00:50:17,620 --> 00:50:26,240
Y ุชุณุงูˆูŠ ุงู„ู€ X ููŠ ุฌูˆุด ุงู„ู€ X ู…ูŠู† ู‚ุงู„ ููŠูƒ ุงู„ุญู…ุฏ ู„ู„ู‡
473
00:50:26,240 --> 00:50:30,320
ู†ุดูˆู ุงุญู†ุง ูˆูŠุง ุดุบู„ู†ุง ู…ุน ุงู„ู…ุณุฃู„ุฉ ู‡ุฐู‡ ู…ูŠู† ุงู„ู„ูŠ ู‚ุงู„
474
00:50:30,320 --> 00:50:36,500
ุงู„ุญู…ุฏ ู„ู„ู‡ ูŠุนู†ูŠ ุฃู† ุฃู†ุง ู…ุชุถุงูŠู‚ ุฃูˆ ุฒู‡ู‚ุงู†ุชุŸ ุนู… ุฃู†ุช ุงุณู…
475
00:50:36,500 --> 00:50:41,420
ุงุจู†ูŠ ู‡ู†ุงูƒ ุดูˆ ุงุณู…ูƒ ุฃู†ุชุŸ item ุงู„ุจู†ู‰ item ุงู„ุจู†ู‰ ุจุฏู‡
476
00:50:41,420 --> 00:50:46,100
ูŠุจู†ูŠู†ุง ุงู„ุญู„ ุงู„ู„ูŠ ู‡ู†ุง ุนู†ุฏูŠ ู‡ุฐู‡ ุงู„ู…ุซู„ุฉ ู†ุดูˆู ู‡ู„ ู‡ูˆ
477
00:50:46,100 --> 00:50:51,020
ุจุฏู‡ ูŠุจู†ูŠ ุจู†ุงุก ุตุญูŠุญุง ูˆู„ุง ุจู†ุงุก ุฎุงุตุฉ ุฅุฐุง ูƒุงู† ู…ู† ูƒู„ูŠุฉ
478
00:50:51,020 --> 00:50:56,060
ุงู„ู‡ู†ุฏุณุฉ ูŠุนู†ูŠ ุทูŠุจ ุงูŠุด ุจุฏูƒ ุชู‚ุชุฑุญ ุนู„ูŠู†ุงุŸ
479
00:50:58,610 --> 00:51:02,850
ูˆุฌู‡ุฉ ู†ุธุฑ ุณู„ูŠู…ุฉ ุฌุฏุง ู„ู…ุง ู†ุงุฎุฏ ู„ู† ุงู„ุทุฑููŠู†
480
00:51:08,580 --> 00:51:14,400
ูŠุจู‚ู‰ ุฃู†ุง ุนู†ุฏูŠ ุทุฑูŠู‚ูŠู† ูˆุฃูŠ ุทุฑูŠู‚ ู†ุตุฑูƒูˆุง ุตุญูŠุญ ูŠุง ุงู…ุง
481
00:51:14,400 --> 00:51:18,700
ุจุฃุฎุฐ ู„ู† ุงู„ุทุฑููŠู† ุซู… ุงู„ุงุดุชู‚ุงู‚ ูˆู‡ุฐุง ุงู„ู„ูŠ ูƒู†ุง
482
00:51:18,700 --> 00:51:26,260
ู†ุณู…ูŠู‡ ุงู„ุชูุงุถู„ ุงู„ู„ุบุงุฑูŠุซู…ูŠ ูŠุง ุงู…ุง ูŠุง ุงู…ุง ุจุฑูˆุญ ุชู…ุงู…
483
00:51:26,260 --> 00:51:31,640
ุชู…ุงู… ูŠุจู‚ู‰ ุจุฏูŠ ุฃูƒุชุจ ู‡ุฐู‡ ุจุฏู„ุงู„ุฉ ุงู„ู€ exponential ูŠุจู‚ู‰
484
00:51:31,640 --> 00:51:39,030
E ุฃุณ ุฌูˆุด ุงู„ู€ X ู„ู† ุงู„ู€ X ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู‡ุง ุฃูˆ ุจู…ู†ุŸ
485
00:51:39,030 --> 00:51:43,990
ุจุทุฑูŠู‚ุชู†ุง ุงู„ุฃูˆู„ู‰ ุทูŠุจ ูŠุจู‚ู‰ ุงู„ุขู† ุจุฏุง ุฃู‚ูˆู„ู‡ ุงู„ู€ Y'
486
00:51:44,570 --> 00:51:51,910
ูŠุณุงูˆูŠ ุงู„ู€ exponential ูƒู…ุง ู‡ูŠ ุฌูˆุด ุงู„ู€ X ููŠ ู„ู† ุงู„ู€ X ููŠ
487
00:51:51,910 --> 00:51:56,270
ุชูุงุถู„ ุงู„ุฃุณ ุชุจุน ุงู„ู€ exponential ุงู„ู„ูŠ ู‡ูˆ ุญุตู„ ุถุฑุจ
488
00:51:56,270 --> 00:52:04,100
ุฏุงู„ุชูŠู† ูŠุจู‚ู‰ ุฌูˆุด ุงู„ู€ X ููŠ ูˆุงุญุฏ ุนู„ู‰ X ุฒุงุฆุฏ ู„ู† ุงู„ู€ X ููŠ
489
00:52:04,100 --> 00:52:09,220
ุชูุงุถู„ ุงู„ุฌูˆุด ุงู„ู„ูŠ ู‡ูˆ ุจุณู†ุด ุงู„ู€ X ุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ู†ุง
490
00:52:09,220 --> 00:52:16,580
ู…ู…ูƒู† ู†ุฑุฌุนู‡ุง ุฅู„ู‰ ุฃุตู„ู‡ุง ูˆู†ูƒุชุจ X ุฃุณ ุฌูˆุด ุงู„ู€ X ููŠ ู…ูŠู†ุŸ
491
00:52:16,580 --> 00:52:26,100
ููŠ ุฌูˆุด ุงู„ู€ X ุนู„ู‰ X ุฒุงุฆุฏ ู„ู† ุงู„ู€ X ููŠ ุณูŠู†ุด ุงู„ู€ X ุขุฎุฑ
492
00:52:26,100 --> 00:52:29,700
ุณุคุงู„ ุงู„ู„ูŠ ู‡ูˆ ู…ุซุงู„ 4 evaluate
493
00:52:32,250 --> 00:52:37,950
the following integrals
494
00:52:37,950 --> 00:52:42,650
ุณุจู„ ุงู„ุชูƒุงู…ู„ุงุช ุงู„ุชุงู„ูŠุฉ
495
00:52:44,700 --> 00:52:51,560
ุงู„ู†ู‚ุทุฉ ุงู„ุฃูˆู„ู‰ ุงู„ู„ูŠ ูˆุนุฏู†ุงูƒูˆุง ููŠู‡ุง ู‚ุจู„ ู‚ู„ูŠู„ ุงู„ู„ูŠ ู‡ูŠ
496
00:52:51,560 --> 00:53:01,140
ุชูƒุงู…ู„ ู„ู…ูŠู†ุŸ ู„ุชู†ุด ุงู„ู€ X DX ูˆุฃูŠู‡ ุงู„ุณูˆุก ุชูƒุงู…ู„ ู„ูŠู‡ุŸ
497
00:53:01,140 --> 00:53:09,730
ุชู†ุด ุงู„ู„ูŠ ู‡ูˆ ุณูŠู†ุด ุงู„ู€ X ุนู„ู‰ ุฌูˆุด ุงู„ู€ X DX ุงู„ุจุณุทุฉ ูุถู„
498
00:53:09,730 --> 00:53:16,510
ุงู„ู…ู‚ุงู… ูŠุจู‚ู‰ ู„ุฃู† absolute value ููŠ ุฏุนูŠู‡ ูƒุชุจู‡ุง ู„ุฃู†
499
00:53:16,510 --> 00:53:21,770
ุงู„ุฌูˆุด ู…ู† ูˆุงุญุฏ ูู…ูุฑูˆุถ ู„ุบุงูŠุฉ ุงู„ู…ู„ุฃ ู†ู‡ุงุฆูŠุฉ ูŠุจู‚ู‰ ู„ุฃู†
500
00:53:21,770 --> 00:53:30,430
ุฌูˆุด ุงู„ู€ X ุฒุงุฏ ูƒู„ุต ุชู„ุณูŠ ูŠุจู‚ู‰ good exercise ุฅู„ูƒ ุชูƒุงู…ู„
501
00:53:30,430 --> 00:53:32,610
ู„ potential X
502
00:53:40,240 --> 00:53:51,840
ุงู„ู†ู‚ุทุฉ ุงู„ุซุงู†ูŠุฉ ุจุฏู†ุง ุชูƒุงู…ู„ ู„ู€ cos X DX Y ูŠุณุงูˆูŠ ูŠู„ู‘ุง
503
00:53:51,840 --> 00:53:55,940
ุงุซู†ูŠู†
504
00:53:55,940 --> 00:54:07,080
ุนู„ู‰ e<sup>cos X</sup> ุฒุงุฆุฏ e<sup>-cos X</sup> DX ูˆุงุถุฑุจ ููŠ e<sup>cos X</sup> ูˆ ุงุฌู…ุน
505
00:54:07,080 --> 00:54:19,380
ุนู„ู‰ e<sup>cos X</sup> ุจุตูŠุฑ ุงุซู†ูŠู† ุชูƒุงู…ู„ e<sup>cos X</sup> DX ุนู„ู‰ e<sup>2cos X</sup> ุฒุงุฆุฏ 1
506
00:54:21,430 --> 00:54:30,710
ุชู…ุงู…ุŸ ู„ูˆ ุญุทูŠุช e<sup>cos X</sup> ุจู€ variable ูˆู„ูŠูƒู† T ุชุณุงูˆูŠ e<sup>cos X</sup> ูŠุจู‚ู‰
507
00:54:30,710 --> 00:54:41,250
dT ุจู€ -e<sup>cos X</sup> DX ุฅุฐุง ู‚ุงู„ุช ุงู„ู…ุณุฃู„ุฉ ุงู„ุงุซู†ูŠู† ุชูƒุงู…ู„ DT ุนู„ู‰ T
508
00:54:41,250 --> 00:54:48,410
ุชุฑุจูŠุน ุฒุงุฆุฏ 1 ุงู„ู„ูŠ ู‡ูˆ ุงุซู†ูŠู† tan inverse T ุฒุงุฆุฏ
509
00:54:48,410 --> 00:54:55,950
constant C ูŠุจู‚ู‰ ุงุซู†ูŠู† tan inverse U of X ุฒุงุฆุฏ
510
00:54:55,950 --> 00:54:57,810
constant C ูŠุนุทูŠูƒ ุงู„ุนุงููŠุฉ