解分式方程4/(x+1)-1/(x^2-1)=0

问题描述:

解分式方程4/(x+1)-1/(x^2-1)=0

4/(x+1)-1/(x^2-1)=0
同时乘以 x^2 -1
4x -4 -1 =0
4x =5
x= 5/4