解题方法
1 . 设
分别是双曲线
的左、右焦点,若双曲线右支上存在一点
,使得
,其中
为坐标原点,且
,则该双曲线的离心率为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/2/0f6963f4-f7da-4ed2-98ba-af965b15389e.png?resizew=215)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93289a5961955df55514fd3b2218843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99db1f4da47acd179c9df3dc8cee2721.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/2/0f6963f4-f7da-4ed2-98ba-af965b15389e.png?resizew=215)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-03更新
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1042次组卷
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3卷引用:2015届海南省海南中学高三5月月考理科数学试卷