Question

x-1/x-2=m/x-1 +1方程无解则m等于?

Answer 1

x-1/x-2=m/x-1 +1

1+1/(x-2）=m/(x-1)+1

1/(x-2）=m/(x-1)

当m=0方程无解

(x-1)/(x-2)=m

1+1/(x-2)=m

1/(x-2)=m-1

x-2=1/(m-1)

x=2+1/(m-1)

当m=1方程无解