一道数学问题

1.解方程:[2x/(x-1)]=[1/(x^2-1)]+2.请写出计算过程和结果好吗?
2025-12-24 17:05:03
推荐回答(1个)
回答1:

[2x/(x-1)]=[1/(x^2-1)]+2
化解得2X/(X-1)=(x^2-1)/{(X-1)(X+1)}
约去(X+1)得:2X=(x^2-1)/(X+1)
化简得X=-0.5