名校
解题方法
1 . 已知椭圆
过点
.
(1)求椭圆
的方程;
(2)若过点
的直线与椭圆
交于点
,直线
分别交直线
于点
.求证:线段
的中点为定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae13b2a96f91ab64fb4948de2b0ae10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb02f38d1b612e33fd5d5f4823f0552.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2887d247b961e63d83084f683e94abca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad57e3727b7bbd795b05332fbf9649e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a53c434821195a33b969ecf891d94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef79861421b414b455a090a3ef04fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab4cf09670861e61d67cbe70bb149a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e430f13f42cf2d44aa0f0e20b959684f.png)
您最近一年使用:0次
2022-01-16更新
|
525次组卷
|
3卷引用:重庆市第十一中学2021-2022学年高二下学期质量抽测(二)数学试题
名校
解题方法
2 . 椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
的两焦点分别为
,
,椭圆与
轴正半轴交于点
,
.
(1)求曲线
的方程;
(2)过椭圆
上一动点
(不在
轴上)作圆
的两条切线
,切点分别为
,直线
与椭圆
交于
两点,
为坐标原点,求
的面积
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b68bed5f53ce98a19785d81b7ca2336.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387eedebbeb16b3c0d93cf8c9a2a4bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2795c1645d86bf978e16b2cdfa29a8.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e87937025a66487fa6bac61fa30ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c29a7e8eea08197bf53164a560bee58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01882f77f211b5b82111bc2953f01d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314fa2cc0e2d7ce4717fe18901b8f208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
2022-03-20更新
|
1172次组卷
|
6卷引用:重庆市第十一中学2022届高三上学期12月月考数学试题
重庆市第十一中学2022届高三上学期12月月考数学试题黑龙江省牡丹江市第一高级中学2021-2022学年高二下学期4月月考数学试题四川省遂宁中学校2021-2022学年高二下学期期中考试数学(理)试题(已下线)专题36 切线与切点弦问题(已下线)突破3.1 椭圆(课时训练)-【新教材优创】突破满分数学之2022-2023学年高二数学重难点突破+课时训练 (人教A版2019选择性必修第一册)(已下线)湖南省长沙市雅礼中学2024届高三上学期月考(二)数学试题变式题19-22
名校
解题方法
3 . 已知椭圆
过点(2,0),离心率是
.
(1)求椭圆的标准方程;
(2)椭圆两焦点是F1、F2,点P是以F1F2为直径的圆上一点,与点F1、F2不重合,直线PF1与椭圆交于A、B两点,直线PF2与椭圆交于C、D两点,求|AB|+|CD|的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求椭圆的标准方程;
(2)椭圆两焦点是F1、F2,点P是以F1F2为直径的圆上一点,与点F1、F2不重合,直线PF1与椭圆交于A、B两点,直线PF2与椭圆交于C、D两点,求|AB|+|CD|的取值范围.
您最近一年使用:0次
名校
4 . 已知椭圆
,焦点
,
.过
作倾斜角为
的直线L交上半椭圆于点A,以
(O为坐标原点)为邻边作平行四边形
,点B恰好也在椭圆上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13bc696ff89b2b107bb45029ddf9f114.png)
![](https://img.xkw.com/dksih/QBM/2020/7/19/2509488623517696/2511923892854784/STEM/5cdf9ed22cfd493aa4c142defa6c3d1e.png?resizew=227)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813f9a2814013e2407b5b1c216159359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fd15503ee692f8286b0312f7c6f0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813f9a2814013e2407b5b1c216159359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f08b024205664540371fdc390053f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf9ce1d8965e6b9f1d59bf1f41ce793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13bc696ff89b2b107bb45029ddf9f114.png)
![](https://img.xkw.com/dksih/QBM/2020/7/19/2509488623517696/2511923892854784/STEM/5cdf9ed22cfd493aa4c142defa6c3d1e.png?resizew=227)
A.![]() | B.![]() | C.![]() | D.12 |
您最近一年使用:0次
2020-07-23更新
|
901次组卷
|
6卷引用:重庆市第十一中学校2021届高三上学期9月月考数学试题
名校
5 . 已知点
在椭圆
上,椭圆的离心率
.
(1)求椭圆C的方程;
(2)椭圆C上不与P点重合的两点D,E关于原点O对称,直线PD,PE分别交y轴于M,N两点.求证:以MN为直径的圆过定点,并求出定点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea8a480a2fe03293cb8303da8837d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
(1)求椭圆C的方程;
(2)椭圆C上不与P点重合的两点D,E关于原点O对称,直线PD,PE分别交y轴于M,N两点.求证:以MN为直径的圆过定点,并求出定点坐标.
您最近一年使用:0次
名校
解题方法
6 . 已知
是焦距为
的椭圆
的右顶点,点
,直线
交椭圆
于点
,
为线段
的中点.
(1)求椭圆
的方程;
(2)设过点
且斜率为
的直线
与椭圆
交于
,
两点,若
,求直线
的斜率
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc8ea6dfd9f29f9482eeeca6689aadf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/bd33764ff4efddfe11a98a609753715c.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e750fa7bd5f2d8ae07570d43b47e7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-02-16更新
|
349次组卷
|
3卷引用:重庆市第十一中学校2019届高三下学期5月月考(文)数学试题
名校
7 . 已知点
,点A,B分别为椭圆
的左右顶点,直线BP交C于点Q,
是等腰直角三角形,且
.
(1)求C的方程;
(2)设过点P的动直线l与C相交于M,N两点,O为坐标原点.当
为直角时,求直线l的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c10f14aae6fb21e047ecb39cdf40c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383cd17d3bb07af377f0dbbb2366b563.png)
(1)求C的方程;
(2)设过点P的动直线l与C相交于M,N两点,O为坐标原点.当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27935c1ef4df2d52ac697678a3c8f39d.png)
您最近一年使用:0次
2020-02-15更新
|
205次组卷
|
2卷引用:重庆市第十一中学校2019届高三下学期5月月考(理科)数学试题