已知椭圆
(
,
)在左、右焦点分别为
,
,点
在椭圆上,
是坐标原点,
,
,则椭圆的离心率是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
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21-22高三上·全国·阶段练习 查看更多[5]
“超级全能生”全国甲卷地区2021-2022学年高三上学期11月联考数学(文)试题(已下线)解密14 椭圆方程(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(新高考专用)(已下线)专题1 椭圆-学会解题之高三数学321训练体系【2022版】山东省淄博市淄博第四中学2022-2023学年高二上学期期末数学试题湖南省衡阳市衡阳县第四中学2022-2023学年高二平行班下学期开学模拟考试数学试题
更新时间:2021-11-23 15:30:18
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【推荐2】对下列命题:
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(3)已知
的三个内角
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且最大边长为
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(2)若
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【推荐1】已知
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【推荐2】已知二次曲线
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