Question

不等式(3x-1)/(2-x)>=1的解集?

Answer 1

(3x-1)/(2-x)≥1
(3x-1)/(2-x)-1≥0
(4x-3)/(x-2)≤0
解得3/4≤x≤2
不等式的解集为{x|3/4≤x≤2}