1 . 已知椭圆
的上顶点为
,左、右焦点分别为
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069ffc1e3936d254303d588e1a70a3aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
A.若![]() ![]() |
B.若椭圆![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.若直线![]() ![]() ![]() ![]() ![]() |
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2024-02-17更新
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471次组卷
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3卷引用:江苏省南菁高中、常州一中2023-2024学年高二下学期3月月考数学试题