1 . 已知双曲线
的左焦点为
,过原点的直线
与双曲线的左、右两支分别交于
、
两点,且
,若
的范围为
,则双曲线
的离心率的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/73208b953bca534767ac8ad7bf82ef8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac37366d2b54dc7d9a95ac6ddda5f3a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0bb63254d22458b3d5f73b60ba5bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2019-04-02更新
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3卷引用:【市级联考】江西省上饶市2019届高三第二次模拟考试数学(理)试题
【市级联考】江西省上饶市2019届高三第二次模拟考试数学(理)试题【市级联考】江西省上饶市2019届高三第二次模拟考试数学(文)试题(已下线)专题19 双曲线离心率定值及取值范围(期末选择题19)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)