设F(x)可导,y=f(x^2),则dy/dx=?
问题描述：
设F(x)可导,y=f(x^2),则dy/dx=?
答
你好！
dy/dx = [f(x^2)]' =f'(x^2) *(x^2)' = 2xf'(x)
答
根据复合函数求导法则
dy/dx = [f(x^2)]' =f'(x^2) *(x^2)' = 2xf'(x)