名校
解题方法
1 . 如图,已知椭圆
的左、右焦点分别为
,左、右顶点分别为
,过原点的直线与椭圆
交于
两点,椭圆上异于
的点
满足
,
,
,则椭圆
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f18fe75b94f62832d1a1ad44ed879a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f750a1c6be944b823b286f33da9b370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ef379a4a8755997ebd7343167c035b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-26更新
|
1439次组卷
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4卷引用:河北省邢台市五岳联盟2024届高三下学期模拟预测数学试题
名校
解题方法
2 . 已知椭圆C:
的左、右焦点分别为
,
,P为C上一点,满足
,以C的短轴为直径作圆O,截直线
的弦长为
,则C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.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/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ec189df9aa2b3c46de719d0057a05f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-14更新
|
1062次组卷
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5卷引用:2024届河北省部分高中高考一模数学试题
名校
解题方法
3 . 已知离心率为
的椭圆
的左、右焦点分别为
,
,
是椭圆上位于第一象限的一点,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.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/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890a833ac2466c09e5afee4fc356c2e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知椭圆C的中心在坐标原点,两焦点
在x轴上,离心率为
,点P在C上,且
的周长为6.
(1)求椭圆C的标准方程;
(2)过点
的动直线l与C相交于A,B两点,点B关于x轴的对称点为D,直线AD与x轴的交点为E,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
(1)求椭圆C的标准方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65368687df4d7e3b9304e85ec4de354c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
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2023-12-13更新
|
608次组卷
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11卷引用:河北省涞源县第一中学等部分高中2024届高三下学期三模考试数学试题
河北省涞源县第一中学等部分高中2024届高三下学期三模考试数学试题湖南师范大学附属中学2024届高三上学期月考(一)数学试题山西省晋城市第一中学校2024届高三上学期9月月考数学试题湖南省衡阳市衡阳县第四中学2024届高三上学期期中数学试题江苏省苏州园三2023-2024学年高二上学期12月月考数学试题2023-2024学年高二上学期期末数学仿真模拟试题01(新高考地区专用)重庆市第十八中学2023-2024学年高二上学期期末数学模拟试题陕西省榆林市府谷县府谷中学2023-2024学年高二上学期期末模拟数学试题(已下线)高二数学开学摸底考02(江苏专用)-2023-2024学年高中下学期开学摸底考试卷福建省福州市福清第一中学2023-2024学年高二下学期开门检测数学试题(已下线)云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试题变式题16-19
解题方法
5 . 已知椭圆
的左、右焦点为
,点
在椭圆上,分别延长
,交椭圆于点
,且
,则线段
的长为___________ ,椭圆的离心率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.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/3d1259e8ef4ab3b926cf28980217127f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9368db5b6b4590e127d17651058e2fc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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名校
6 . 已知
是椭圆
的左,右焦点,
上两点
满足
,则
的离心率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21205190e44c9fa5221aeb83c5765b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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2023-09-14更新
|
2416次组卷
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10卷引用:河北省唐山市2023-2024学年度高三上学期摸底演练数学试题
河北省唐山市2023-2024学年度高三上学期摸底演练数学试题河北省保定市部分高中2023-2024学年高二上学期10月月考数学试题(已下线)3.1.2 椭圆的简单的几何性质(重难点突破)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)(已下线)第五节 椭圆 第一课时 椭圆的定义、方程与性质 B素养提升卷(已下线)阶段性检测4.3(难)(范围:高考全部内容)(已下线)重难点突破04 轻松搞定圆锥曲线离心率十九大模型(十九大题型)-2广东省深圳市龙岗区2024届高三上学期期末质量监测数学试题广东省中山市中山纪念中学2023-2024学年高二下学期二月份综合测练(开学考)数学试卷四川省眉山市仁寿第一中学校南校区2023-2024学年高二下学期3月月考数学试题四川省仪陇中学校2023-2024学年高二下学期第一次月考(4月)数学试题
名校
解题方法
7 . 已知椭圆
的左、右焦点分别为
,
,
为
上的动点.若
,且点
到直线
的最小距离为
,则
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505d992e1337315cb4cd7118e964f701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a362b22d77130726c8dda391382eb186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2023-06-21更新
|
1058次组卷
|
5卷引用:河北省衡水市第二中学2023届高三三模数学试题
河北省衡水市第二中学2023届高三三模数学试题(已下线)第20讲 椭圆的简单几何性质10种常见考法归类(1)湖北省武汉市第四十九中学2024届高三上学期九月调考模拟数学试题(二)(已下线)第3课时 课中 直线与椭圆的位置关系(已下线)专题11 平面解析几何-3
8 . 如图,四边形
为椭圆
的内接矩形,其中点
关于
轴对称,点
满足
,直线
交椭圆
于点
,且
,则椭圆
的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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/02f66082309f2d08b000970386e7bfb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4496b16e69151780f74693830020ba12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/1/f61303eb-d103-4161-9de6-fcb75b83c6d2.png?resizew=167)
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9 . 已知椭圆
:
的左、右焦点分别为
,
,以
为圆心,
为半径的圆与
轴交于
,
两点(
,
两点均在
外),连接
,与
交于点P,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3886203b5afb7dc864b6fca1fbe5c7.png)
________ ;椭圆
的离心率为_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e19960ba707a6b1d55460c6a5855dd3.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdfc6a59392d1ac3cd89ddc0308864c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80ecb6b5d5eca464b3f099513c08fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3aa7a6f779d890300d8fcce9d6d786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3886203b5afb7dc864b6fca1fbe5c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2023-04-26更新
|
459次组卷
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3卷引用:河北省2023届高三下学期大数据应用调研联合测评(Ⅲ)数学试题
名校
解题方法
10 . 已知点
为椭圆
的右焦点,过点F的直线交椭圆于A,B两点.若AB的中点坐标为
,则C的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63309dbc3612815f6dbdee23d9a10adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b0dadb875cccce870b69409a476606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f37e526d47d0840ce276f8c324f036d9.png)
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2023-04-23更新
|
861次组卷
|
2卷引用:河北省张家口市2023届高三一模数学试题