y=sin(x^2).求函数对x^3求导
问题描述：
y=sin(x^2).求函数对x^3求导
书上原题是求dy/d(x^3)
答
题目是否有问题
dy/d(x^3)=(3x^2)dy/dx
dy/dx=cos(x^2)*2x
所以：dy/d(x^3)=(3x^2)dy/dx
=(6x^3)cos(x^2)