已知椭圆
的左、右焦点分别为
、
,点
、
均在椭圆上,且均在
轴上方,满足条件
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6abaf6f3d3baa3e4778b07a2a1b3b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60787a002369350ba4b99a6746270a69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc47292e40fd7c9ab15f3f59c0eabd36.png)
A.![]() | B.![]() | C.![]() | D.![]() |
21-22高三下·湖南·阶段练习 查看更多[2]
更新时间:2022-04-10 08:41:25
|
【知识点】 椭圆中的通径问题
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较易
(0.85)
【推荐1】已知O为坐标原点,点F1,F2分别为椭圆C:
+
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较易
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解题方法
【推荐2】已知
分别是椭圆
的左、右焦点,过点
的直线交
于
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的最大值为8,则
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
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