已知椭圆
的左、右两个焦点分别为
,
,直线
与C交于A,B两点,
轴,垂足为E,直线BE与C的另一个交点为P,则下列结论正确的序号是__________ .
①.四边形
为平行四边形
②.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f846c50e81bbea070a1b139504a2ee68.png)
③.直线BE的斜率为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7500ce8bce3d902c25c224de4c44bd7.png)
④.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69daca955a565fa537347dd0d93783f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b343d77ee4dced82ecc479206c42977d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8178c63d125ee6235feeb2fc70d02745.png)
①.四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfffd420523729074995e9e55f464d4c.png)
②.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f846c50e81bbea070a1b139504a2ee68.png)
③.直线BE的斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7500ce8bce3d902c25c224de4c44bd7.png)
④.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8583574c2cbb9686f770551187e80c4.png)
更新时间:2020-12-21 18:21:18
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