1 . 已知点
是椭圆
上的动点,点
且
,则|PQ|最小时,m的值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21872d8f6a518e0a2993ccf7a795ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5f4b244b3b0799cfb1994364036eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0939530d2375d5809366c41a3fb9899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e2f2df1e0d6c400b57b7709f5acf91.png)
A.-1 | B.![]() | C.a | D.3a |
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2023-04-13更新
|
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3卷引用:江西省赣州市2022-2023学年高二下学期期中调研测试数学试题
2 . 已知椭圆
,
为
的右焦点,
为
的左顶点,
为直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aca3272c91ba9773f1c8342cdfdc432.png)
与
的两个交点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbed61f2fa6116be9c19eaa2796663ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a79c8cda9992ab8a941e9303619de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aca3272c91ba9773f1c8342cdfdc432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae676c936b91af769360c2624f70e532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.直线![]() ![]() ![]() |
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2022-11-17更新
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433次组卷
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3 . 已知椭圆
的左、右焦点分别为
,
,过点
的直线与该椭圆相交于
,
两点,点
在该椭圆上,且
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cf6cca367ce2afd96d7d951f9587e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17618d8d22ebb3fd6835a7eb139b4f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13683e2ecf2164a0adbfdb9923d210a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af769f644d3e8aa6833ffa947f9b064.png)
A.存在点![]() ![]() | B.满足![]() ![]() |
C.若![]() ![]() | D.![]() ![]() |
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6卷引用:江西省宜春市宜丰县宜丰中学2022-2023学年高二上学期第三次月考(12月)数学试题
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