函数f(x)=ln(2x+1)的导函数为——
人气:432 ℃ 时间:2020-04-07 15:05:15
解答
复合函数求导.应看作f(x)=lna a=2x+1 f′(x)=(lna)′(2x+1)′
f′(x)=2/(2x+1)
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