(ln(x-1))的平方的导数
问题描述:
(ln(x-1))的平方的导数
答
2ln(x-1)/x-1
答
y=[ln(x-1)]^2
y'=2ln(x-1)*1/(x-1)=[2ln(x-1)]/(x-1)
答
=2ln(x-1)/x