解分式不等式4/X-3+1/3-X>1和x-3/x^2-x-2

问题描述:

解分式不等式4/X-3+1/3-X>1和x-3/x^2-x-2

数学人气:342 ℃时间:2020-06-02 09:28:04
优质解答
1.4/X-3+1/3-X>1
4/x-3-1/x-3>1
3/x-3>1
(3-x+3)/(x-3)>0
即(6-x)(x-3)>0

32.x-3/x^2-x-2(x-3)/(x-2)(x+1)即
(x-3)(x-2)(x+1)得
x

1.4/X-3+1/3-X>1
4/x-3-1/x-3>1
3/x-3>1
(3-x+3)/(x-3)>0
即(6-x)(x-3)>0

32.x-3/x^2-x-2(x-3)/(x-2)(x+1)即
(x-3)(x-2)(x+1)得
x