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1 . 已知椭圆
的左、右焦点分别为
,
,点P为椭圆C上任意一点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
A.椭圆C的焦距为1 |
B.点![]() |
C.若椭圆![]() ![]() |
D.若点![]() ![]() ![]() |
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2022-03-01更新
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465次组卷
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2卷引用:海南省海口市琼山华侨中学2021-2022学年高二3月月考数学试题