2/x+1 = 6/x方-1 - 3/x-1

来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/28 11:19:19
2/x+1=6/x方-1-3/x-12/x+1=6/x方-1-3/x-12/x+1=6/x方-1-3/x-1两边乘以(x+1)(x-1)得2(x-1)=6-3(x+1)2x-2=6-3x-35x=5x

2/x+1 = 6/x方-1 - 3/x-1
2/x+1 = 6/x方-1 - 3/x-1

2/x+1 = 6/x方-1 - 3/x-1
两边乘以 (x+1)(x-1)得
2(x-1)=6-3(x+1)
2x-2=6-3x-3
5x=5
x=1
检验：x=1是增根
∴方程无解