已知
是双曲线
的左、右焦点,
为
上一点,且
(
为坐标原点),
,则
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e3add00d20abe6da5964f2b911acc95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
更新时间:2024-01-31 12:29:45
|
【知识点】 求双曲线的离心率或离心率的取值范围
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适中
(0.65)
名校
解题方法
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填空题-单空题
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适中
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解题方法
【推荐2】已知双曲线
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上,若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0379bf3779e66b040fb0dc67745ab609.png)
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