两边同乘x-2得1=(x-1)-3(x-2)1=x-1-3x+61=5-2xx=2(舍去)原方程无解
1/(x-2)=(1-x)/(2-x)-31/(x-2)-(1-x)/(2-x)=-31/(x-2)-(x-1)/(x-2)=-3(2-x)/(x-2)=-32-x=-3x+63x-x=6-22x=4x=2检验: x=2是原方程的增根,所以原方程无实根.