题目应是 若关于x的分式方程x-1分之x＝x-1分之m+1有增根,求m的值
则有x=1
x-1分之x＝x-1分之m+1
x(x-1)=(x-1)(m+1)
(x-m-1)(x-1)=0
x-m-1=0 x-1=0
m=x-1
m=1-1=0