解题方法
1 . 如图,正六边形ABCDEF的边长为4.已知双曲线
的焦点分别为A,D,两条渐近线分别为直线BE,CF.
的方程;
(2)过点A的直线l与
交于P,Q两点,
,若点M满足
,证明:点M在一条定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)过点A的直线l与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4850179a08e94f3e21fc9f0699f3860e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6e56e12c9e4563e1a71d2d3d60eeb09.png)
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2023-07-25更新
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2卷引用:福建省福州市八县(市)协作校2022-2023学年高二下学期期末联考数学试题