已知U={xl-x2+3x-2≤0},A={xllx-2l>1}B={xlx-1/x-2≥0},求CuA,CuB,A∩B

问题描述:

已知U={xl-x2+3x-2≤0},A={xllx-2l>1}B={xlx-1/x-2≥0},求CuA,CuB,A∩B

-x2+3x-2≤0
x2-3x+2≥0
(x-1)(x-2)>=0
x>=2或x1或x-23或x=0,但x≠2
x>2或x