(m-n)*根号下(8mn/m^3-2m^2n+mn^2) (0扫码下载作业帮拍照答疑一拍即得

分类: 作业答案 • 2021-12-19 11:04:14

问题描述：

(m-n)*根号下(8mn/m^3-2m^2n+mn^2) (0

扫码下载作业帮
拍照答疑一拍即得

答

(m-n)*根号下(8mn/m^3-2m^2n+mn^2)
=(m-n)*根号下[8n/(n-m)^2]
= -2根号下(2n)