(x-1)²=(1/2x-1)² 解方程.
问题描述:
(x-1)²=(1/2x-1)² 解方程.
答
x²-2x+1=1/4x²-x+1
3/4x²-x=0
3/4x(x-4/3)=0
x=0,x=4/3