名校
解题方法
1 . 已知椭圆
的左、右焦点分别为
,点
是椭圆上一点,若
的内心为
,连接PM并延长交
轴于点
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf8c07d4532162887f4a9787f365280.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d98da0e2532648a4435045ae73de2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf8c07d4532162887f4a9787f365280.png)
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2 . 椭圆
上的一点到两个焦点的距离之和为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c749a317ae1917344ee16797635c0f76.png)
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解题方法
3 . 如图所示,已知椭圆
的左右焦点分别为
,点
在
上,点
在
轴上,
,则
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b0dadb875cccce870b69409a476606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea68f65429501ec4986bef9cce8dff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ade9ff1a02f622b86b36ffadfbfaae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/d4d339ca-022c-40ed-a36d-740d028ccdd3.png?resizew=170)
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2024-03-27更新
|
778次组卷
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3卷引用:陕西省西安市第一中学2024届高三第十次模拟考试数学(文)试题
4 . 若
为椭圆
上一点,
,
为
的两个焦点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1565358ed95afa71757c1d7d1fd2ea.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ea0965aa6af30c1d18f8503ba085a6.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1accaa97c379475f35e61f30d3b64fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1565358ed95afa71757c1d7d1fd2ea.png)
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5 . 已知点P是椭圆
上的动点,且与椭圆的四个顶点不重合,
分别是椭圆的左右焦点,
为坐标原点,若点
是
的角平分线上的一点,且
则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b747db7eaf469c6d1607e4b0d028299f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd938dd4e4d8cac7264575f9e25ab68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c19fa4cd646f4d877c3e58cc346651.png)
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解题方法
6 . 经过椭圆C:
的左焦点
的直线交椭圆C于A,B两点,
是椭圆C的右焦点,则
的周长为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86c0fe04600e6225c4951ce8dd6002b.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/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
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2023-12-15更新
|
189次组卷
|
3卷引用:陕西省西安市部分学校2023-2024学年高二上学期12月联考数学试题
名校
解题方法
7 . 已知焦点为
,
的椭圆的方程为
,且
,过椭圆左焦点
的直线交椭圆于
两点,则
的周长为________ .
![](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/bde7312e22ee74cef2d70bc9de2bf6cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49bcba03fa0b41ed120058ba9eaed0a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
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2023-11-27更新
|
398次组卷
|
2卷引用:陕西省西安市西安南开高级中学2023-2024学年高二上学期期末考试数学试题
名校
解题方法
8 . 已知
分别为椭圆
的左、右焦点,过椭圆C在
轴上的点A与
的直线与
交于点
,且
不在线段
上,
,
,则
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c856a90d135b9cb91e879b49d0a9584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e2e12312fbc45fb0d46c235122a29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2023-11-15更新
|
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4卷引用:陕西省西安铁一中滨河高级中学2023-2024学年高二上学期第二次月考数学试题
2023高三·全国·专题练习
9 . 已知椭圆
,若
在椭圆
上,
是椭圆
的左、右焦点,满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052ff745194f12076e98c9fc9ddd09de.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42af5a194c0103cc4a64fc3e6033376c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f6bccd63572d3f37da409fda25af6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052ff745194f12076e98c9fc9ddd09de.png)
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2023-10-17更新
|
1152次组卷
|
5卷引用:陕西省西安市阎良区关山中学2023-2024学年高二上学期期中数学试题
陕西省西安市阎良区关山中学2023-2024学年高二上学期期中数学试题(已下线)专题2 解析几何与解三角形宁夏银川市第六中学2023-2024学年高二上学期期中考试数学试题重庆市缙云教育联盟2023-2024学年高二上学期12月月度质量检测数学试题(已下线)专题09 椭圆的标准方程6种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(苏教版2019选择性必修第一册)
名校
解题方法
10 . 已知椭圆
:
的左、右焦点分别为
,
,点
为椭圆上一点,且点
位于第一象限,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1565358ed95afa71757c1d7d1fd2ea.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e203545563ef6c33968cd9fab532638e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1565358ed95afa71757c1d7d1fd2ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e203545563ef6c33968cd9fab532638e.png)
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2023-12-11更新
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449次组卷
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4卷引用:陕西省西安市西光中学2023-2024学年高二上学期期末考试数学试题
陕西省西安市西光中学2023-2024学年高二上学期期末考试数学试题湖南省郴州市嘉禾县第一中学2021-2022学年高二上学期期末模拟数学试题四川省成都市高新实验中学2023-2024学年高二上学期12月月考数学试题(已下线)2.2.1 椭圆的标准方程(十三大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)