mywbut · 2012-11-25 · 2. if x + y = i , prove that the nth derivative of xnyn is n ! y n yn-2x2...
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![Page 1: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/1.jpg)
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![Page 2: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/2.jpg)
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![Page 3: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/3.jpg)
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![Page 4: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/4.jpg)
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![Page 5: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/5.jpg)
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![Page 6: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/6.jpg)
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![Page 7: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/7.jpg)
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![Page 8: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/8.jpg)
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![Page 9: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/9.jpg)
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![Page 10: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/10.jpg)
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![Page 11: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/11.jpg)
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![Page 12: mywbut · 2012-11-25 · 2. If x + y = I , prove that the nth derivative of xnyn is n ! y n yn-2x2 —(nC3)2 yn-3x3 Answer: Let t = xnyn or, t = tWBUT 2002] Differentiating both sides](https://reader033.vdocuments.us/reader033/viewer/2022042100/5e7cd79c83779e704a36946d/html5/thumbnails/12.jpg)
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