一元二次实系数方程的两个虚根应是共轭虚数
所以a=-3,b=2
已知a,b属于R,且2+ai,b+3i(i是纯虚数单位)是实数系一元二次方程的两个根,那么a,b的值分别为多少?
已知a,b属于R,且2+ai,b+3i(i是纯虚数单位)是实数系一元二次方程的两个根,那么a,b的值分别为多少?
数学人气：855 ℃时间：2020-05-08 10:36:28
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