名校
解题方法
1 . 已知中心在原点的椭圆与双曲线有公共焦点,左、右焦点分别为
,
,且两条曲线在第一象限的交点为
,若
是以
为底边的等腰三角形.椭圆与双曲线的离心率分别为
,
,则
的取值范围是
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9df1061c3ba5151ba2f7359acaf356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.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/f0beca10a606799e478017e87c67c8ec.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-02-09更新
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2卷引用:重庆市巴蜀中学2017-2018学年高二上学期期末考试数学(理)试题