f(x)=(x-1)^5-5(x-1)^4+10(x-1)^3-10^(x-1)^2+5x-1

问题描述:

f(x)=(x-1)^5-5(x-1)^4+10(x-1)^3-10^(x-1)^2+5x-1
f'(x)是函数f(x)的导数则f'(3)=?

f'(x)=5(x-1)^4-20(x-1)^3+30(x-1)^2-20(x-1)+5
f'(3)=5(3-1)^4-20(3-1)^3+30(3-1)^2-20(3-1)+5
f'(3)=90-160+120-40+5
f'(3)=15