设椭圆
的左、右顶点分别为
过右焦点作
轴的垂线与椭圆在第一象限交于点
,连接
并延长交直线
于点
,若
,且
,则椭圆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/e31c3268f0a8fd1d76041c9abb8f0367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa5d6092f598c7da4796f965e40525a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34ad3c21ad4885bc3d6df63d4866f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30badf6d1d1c8707fdc1c363f24cc0f8.png)
23-24高三上·湖北·期末 查看更多[2]
更新时间:2024-01-10 08:25:32
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【知识点】 求椭圆的离心率或离心率的取值范围
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填空题-单空题
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较易
(0.85)
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【推荐2】已知椭圆
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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