问题:
用适当的方法解下列方程
(1)x 2+5x-6=0
(2)(x-1) 2+2x(x-1)=0
(3)
2x
x-1
=
1
x2-1
+2
用适当的方法解下列方程
(1)x 2+5x-6=0
(2)(x-1) 2+2x(x-1)=0
(3)
=
+2
(1)x 2+5x-6=0
(2)(x-1) 2+2x(x-1)=0
(3)
2x |
x-1 |
1 |
x2-1 |
参考答案: