⑴1/(x+1)=2/(x^2-1)
都乘以(x+1)(x-1)得,x-1=2,解得x=3
经检验是原方程的根.
⑵5/(x-1)+(3-x)/(1-x)=2
两边都乘以(x-1)得,5-(3-x)=2(x-1)
即:5-3+x=2x-2,解得x=4
经检验是原方程的根.
⑴1/(x+1)=2/(x^2-1)
都乘以(x+1)(x-1)得,x-1=2,解得x=3
经检验是原方程的根.
⑵5/(x-1)+(3-x)/(1-x)=2
两边都乘以(x-1)得,5-(3-x)=2(x-1)
即:5-3+x=2x-2,解得x=4
经检验是原方程的根.