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1 . 已知椭圆
)的焦距为2c,F为右焦点,直线
与椭圆C相交于A,B两点,
是等腰直角三角形.若记椭圆C上任一点Q到抛物线
的焦点P的距离最大值为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157c13923b1faff5d7b672e10d1927bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f344ca38f295f3586bab1d014e32b5f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98908c3834d8a95cadda737a9a1997bb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-03-03更新
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231次组卷
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2卷引用:吉林省松原市吉林油田高级中学2021-2022学年高三上学期开学调研考试数学(文科)试题