因式分解(1/4x^2-x+1)/(1-1/2x)=
问题描述:
因式分解(1/4x^2-x+1)/(1-1/2x)=
答
(1/4x^2-x+1)/(1-1/2x)=
=(½x-1)²÷(1-½x)
=1-½x