已知函数f(x)=(x-a)/(x-1)^2求导

问题描述:

已知函数f(x)=(x-a)/(x-1)^2求导

f'(x)=[(x-1)²-(x-a)*2(x-1)]/(x-1)^4
=(x-1-2x+2a)/(x-1)³
=(-x+2a-1)/(x-1)³麻烦帮我求我下单调区间