若2m+m²+m²n²+2=﹣2mn,求m,n的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 05:41:27
x){ѽ(W;WMFAFw.6y)W'
{lѦ_`gC}uT b(65 kB5@PTϦ|pI/{eΓK ,蓝O'>՝?7=VP!F 1" S
若2m+m²+m²n²+2=﹣2mn,求m,n的值
若2m+m²+m²n²+2=﹣2mn,求m,n的值
若2m+m²+m²n²+2=﹣2mn,求m,n的值
2m+m²+m²n²+2=-2mn
m²+2m+1+m²n²+2mn+1=0
(m+1)²+(mn+1)²=0
平方项恒非负,两非负项之和=0,两非负项均=0
m+1=0
mn+1=0
解得m=-1 n=1