(2-4x)/(x2-3x+2>=(x+1)

问题描述:

(2-4x)/(x2-3x+2>=(x+1)
(2-4x)/(x2-3x+2)>=(x+1)

=(x+1)(x-1)/(x-2)²*1/(x+1)*(x-1)(x-2)/(x-1)
=(x-1)/(x-2)²*(x-2)
=(x-1)/(x-2)