已知椭圆
的左、右焦点分别为
,若椭圆上存在一点
(非顶点)使
,则该椭圆的离心率的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475a3fdc7b27d5ffa8c864dc478903d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e79e1c4c5fccd399d63433eb0446a5.png)
10-11高二下·湖北襄阳·期中 查看更多[1]
(已下线)2010-2011年湖北省襄阳四校高二第二学期期中考试理数
更新时间:2016-11-30 18:36:47
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