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}