解方程mx^2-(m^2+n^2)x+mn^2=0 (mn≠0)
问题描述:
解方程mx^2-(m^2+n^2)x+mn^2=0 (mn≠0)
答
mx^2-(m^2+n^2)x+mn^2=0
(mx-n^2)(x-m)=0
x1=n^2/m
x2=m