``(x-2倍根号xy+y)(根号x +根号y)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/09 00:52:21
``(x-2倍根号xy+y)(根号x+根号y)``(x-2倍根号xy+y)(根号x+根号y)``(x-2倍根号xy+y)(根号x+根号y)(x-2倍根号xy+y)*(根号x+根号y)=(根号x-根号y

``(x-2倍根号xy+y)(根号x +根号y)
``
(x-2倍根号xy+y)(根号x +根号y)

``(x-2倍根号xy+y)(根号x +根号y)
(x-2倍根号xy+y)*(根号x +根号y)
=(根号x -根号y)^2*(根号x +根号y)
=(x-y)(根号x -根号y)