已知α、β是方程x²+2x-5=0的两个实数根,则α²+αβ+2α的值为
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/17 06:02:12
![已知α、β是方程x²+2x-5=0的两个实数根,则α²+αβ+2α的值为](/uploads/image/z/963084-12-4.jpg?t=%E5%B7%B2%E7%9F%A5%CE%B1%E3%80%81%CE%B2%E6%98%AF%E6%96%B9%E7%A8%8Bx%26%23178%3B%2B2x-5%3D0%E7%9A%84%E4%B8%A4%E4%B8%AA%E5%AE%9E%E6%95%B0%E6%A0%B9%2C%E5%88%99%CE%B1%26%23178%3B%2B%CE%B1%CE%B2%2B2%CE%B1%E7%9A%84%E5%80%BC%E4%B8%BA)
xTn@*U bnC5|J%
/]ZZABQH@QBLĆHA=c{/A.gι{zb_N^T/ iIsjIw=IɦkK;/xO`=SIjN
ˆ]I*[_S 3 6xs%I
]5W[VinQn4ߒ
&n7k#3OzAwI=lnekX{f:s=s[-1-_՝qӸ-v,K?>xӥ1է
$J bd3y𗿥KuZU`)Av3Zy! +j@[!QDŽzBI@2(