f[g(x)]
对x求导
f[x]'=f'(g)g'(x)
就是复合函数的求导
望采纳
f(x)=(x²-1)³+2的导数怎么求？解：f '(x)=[(x²-1)³]'+(2)'=3(x²-1)²(x²-1)'=3(x²-1)²(2x)=6x(x²-1)²
