1. If y=(2x^2+1)^3/x,find the second derivatives when x=1.
the ans. is 234.
2. If f(x)=e^2x/x^(1/2).find the value of f "(4)
the ans is 227e^8/128
3. If y =(x^2+4)^(-3),show that (x^2+4)y"+8x(y')+6y=0
Please show clear steps for the 3 questions. thx
f.4 differentiation
2010-03-28 6:05 pm
回答 (1)
2010-03-28 8:26 pm
✔ 最佳答案
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2010-03-28 12:26:14 補充：
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收錄日期: 2021-04-23 23:22:14
原文連結 [永久失效]:
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