名校
解题方法
1 .
为椭圆
上一点,
为
的左、右焦点,延长
,
交
于A,B两点、在
中,记
,
,若
,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e31f17d3eae2f76500ee2e8f955865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44693396245ef7175cd2395bb2c3d95a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076f439c37c1c6fce8b2c7d10f3693ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4a3c7847e08eabac3be71b628dbfea.png)
A.![]() ![]() |
B.![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.![]() |
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