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ln(x^2-2x+5)的导数是多少?
ln(x^2-2x+5)的导数是多少?
发布时间:2021-02-24 09:09:28
ln(x^2-2x+5)的导数是多少?
网友回答
利用复合函数求导法则.
设:y= lnu,u=(x^2-2x+5),则
y' = (lnu)' *(x^2-2x+5)'
=(1/u) * (2x-2)
= 2(x-1) /(x^2-2x+5)
======以下答案可供参考======
供参考答案1:
(2x-2)/(x^2-2x+5)
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