(导数)设函数y=(x^2+1)^3,则y'=

问题描述:

(导数)设函数y=(x^2+1)^3,则y'=

解设函数y=(x^2+1)^3,则
y'=3(x^2+1)^2(x^2+1)'
=3(x^2+1)^2(2x)
=6x(x^2+1)^2四则运算用哪个