1 . 已知椭圆
与双曲线
有共同的焦点
,
,离心率分别为
,
,点
为椭圆
与双曲线
在第一象限的公共点,且
.若
,则
的取值范围为
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7285470bf401f5edaac641234ee6ff6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b9243ea233fd688a4bc3b169a7c070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://img.xkw.com/dksih/QBM/2023/2/11/3172426082910208/3174697532719104/STEM/367aaef7d78647af8e319b799bf26f71.png?resizew=4)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-14更新
|
807次组卷
|
5卷引用:湖北省咸宁市2022-2023学年高二上学期期末数学试题
湖北省咸宁市2022-2023学年高二上学期期末数学试题安徽省滁州市定远县育才学校2023届高三下学期第一次模拟数学试题湖北省部分地区2022-2023学年高二上学期元月期末数学试题(已下线)专题15圆锥曲线(选填题)(已下线)热点7-3 双曲线及其应用(8题型+满分技巧+限时检测)
解题方法
2 . 已知
分别是椭圆
的左、右焦点,
是椭圆
上一点,且
若以点
为圆心,
为半径的圆与直线
相切,则椭圆
的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475a3fdc7b27d5ffa8c864dc478903d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/203f0acb9c3d104fd49c45fc1513bb22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96fa27f8db6167d4802a510371077bb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b039d6a410393421c9bce4e1d5e28807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2022-07-03更新
|
964次组卷
|
4卷引用:湖北省咸宁市2021~2022学年高二下学期期末数学试题
湖北省咸宁市2021~2022学年高二下学期期末数学试题湖南省32多所名校2021-2022学年高二下学期期末联考数学试题(已下线)专题5 求离心率运算(基础版)(已下线)第二章 平面解析几何之圆锥曲线的方程(A卷·知识通关练)(2)