(x+2根号xy+y)除以(根号x+根号y)把它根式有理化

来源：学生作业帮助网编辑：作业帮时间：2024/05/06 16:39:11

=(√x+√y)²/(√x+√y)
=√x+√y

(根号x+根号y)²/(根号x+根号y)=(根号x+根号y)

(x+2根号xy+y)除以(根号x+根号y)
=(根号x+根号y)²/(根号x+根号y)
=根号x+根号y

(x+2根号xy+y)除以(根号x+根号y)
=(根号x+根号y)2/(根号x+根号y)
=根号x+根号y