化简:m/(m-n)根号(m^3-2m^2n+mn^2)(m
问题描述：
化简:m/(m-n)根号(m^3-2m^2n+mn^2)(m
答
根号(m^3-2m^2n+mn^2)
=根号{m(m^2-2mn+n^2}=(n-m)根号m
m/(m-n)根号(m^3-2m^2n+mn^2)
=m/(m-n)}*(n-m)根号m
=-m^(3/2)