x+1/x-2<=2(x+1)/(x-2)-2≤0(x+1-2x+4)/(x-2)≤0(x-5)/(x-2)≥0x≥5或x<2
(x+1)/(x-2)≤2(x+1)/(x-2)-2(x-2)/(x-2)≤0(x+1-2x+4)/(x-2)≤0(-x+5)/(x-2)≤0(x-5)(x-2)≥0得 x≥5 或 x<2
5
