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解题方法
1 . 已知双曲线
的左、右焦点分别为
,
,P是双曲线E上一点,
,
的平分线与x轴交于点Q,
,则双曲线E的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c4088276acdbede4781b2ebc466366.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/b2dfb22c6f1c155747100e7536cd1abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f605e56f344918695bc793a614b899.png)
A.![]() | B.2 | C.![]() | D.![]() |
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2023-04-09更新
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7卷引用:吉林省白山市2023届高三下学期四模联考(4月期中)数学试题