> 数学 >
x2-(m2+n2-6n)x+m2+n2+2m-4n+1=0的两个实数根满足x1
人气:120 ℃ 时间:2020-06-02 08:24:13
解答
设f(x)=x^2-(m^2+n^2-6n)x+m^2+n^2+2m-4n+1
两个实数根满足x1
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版