解方程(x-1)²/x²-(x-1)/x-2=0
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/27 09:10:38
解方程(x-1)²/x²-(x-1)/x-2=0解方程(x-1)²/x²-(x-1)/x-2=0解方程(x-1)²/x²-(x-1)/x-2
解方程(x-1)²/x²-(x-1)/x-2=0
解方程(x-1)²/x²-(x-1)/x-2=0
解方程(x-1)²/x²-(x-1)/x-2=0
(x-1)²/x²-(x-1)/x-2=0
[(x-1)/x]²-(x-1)/x-2=0
十字相乘
[(x-1)/x-2][(x-1)/x+1]=0
∴
(x-1)/x=2
x-1=2x
x=-1
或
(x-1)/x=-1
x-1=-x
2x=1
x=1/2