名校
解题方法
1 . 已知椭圆
的上顶点为P,右顶点为
,其中
的面积为1(
为原点),椭圆
的离心率为
.
(1)求椭圆
的方程;
(2)若不经过点
的直线
与椭圆
交于
两点,且直线
与直线
斜率之和为2,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fdc02f00cf00a6dfd88b53a90f1f7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若不经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
2 . 已知椭圆C:
的离心率为
,短轴长为2.
(1)求椭圆C的方程;
(2)设O为坐标原点,F为椭圆C的右焦点,过F的直线l与C交于A,B两点,点M的坐标为
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆C的方程;
(2)设O为坐标原点,F为椭圆C的右焦点,过F的直线l与C交于A,B两点,点M的坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e57610afd116ab84660c807cc1aa3819.png)
您最近一年使用:0次
2023-08-17更新
|
1086次组卷
|
6卷引用:江西省九江市永修县第一中学2023-2024学年高二上学期10月月考数学试题
江西省九江市永修县第一中学2023-2024学年高二上学期10月月考数学试题江西省南昌市第十中学2022-2023学年高二上学期期中数学试题(已下线)2.4.2直线与圆锥曲线的综合问题(分层练习)-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第一册)北京市第十一中学2023-2024学年高二上学期期中练习数学试题江西省上饶市余干县蓝天中学2023-2024学年高二上学期期中考试数学试题(已下线)专题08 椭圆双曲线综合大题(9题型)-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)
名校
解题方法
3 . 已知点
,
,直线
与直线
的斜率之积为
,动点Q的轨迹是曲线C.
(1)求曲线C方程;
(2)直线
与曲线C交于点P,过点P作两条斜率互为相反数的直线
,
,分别交曲线C于S,T两点,求证:
的外接圆与直线l相切.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c77a42750684cb6157c2c7fb9422a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78fd95f89dec2d373fa57f02acd739f.png)
(1)求曲线C方程;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9350036344273cd5d077f5066a1e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9347660bca0211ca6afd2658b160dd38.png)
您最近一年使用:0次
名校
解题方法
4 . 已知椭圆E:
过点
,E的离心率
.
(1)求椭圆的标准方程;
(2)设点A、B为椭圆左右顶点,过点
且不与x轴重合的直线l分别交E于C,D.直线
分别交直线AC和BD于P,Q点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2de52259b426acb42761fec59a7748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
(1)求椭圆的标准方程;
(2)设点A、B为椭圆左右顶点,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d196d17bd2569f9e99a945809d08599b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3b8b374f47492c599241cc866cabe4.png)
您最近一年使用:0次
2023-08-05更新
|
560次组卷
|
2卷引用:北京市大兴区精华学校2024届高三上学期12月月考数学试题
名校
解题方法
5 . 已知
是椭圆
的右焦点,且
在椭圆
上,
垂直于
轴.
(1)求椭圆
的方程.
(2)过点
的直线
交椭圆
于
(异于点
)两点,
为直线
上一点.设直线
的斜率分别为
,若
,证明:点
的横坐标为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a186265d5a00ab226143623b6240c6a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca1726d463bd741c904abd9b6589056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9f2787131057460eae4a5d98b02b699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
2023-03-11更新
|
2181次组卷
|
13卷引用:湖南省部分市2023届高三下学期3月大联考数学试题
湖南省部分市2023届高三下学期3月大联考数学试题河北省保定市安国中学等3校2023届高三下学期3月月考数学试题云南省曲靖市第一中学2024届高三上学期第四次月考数学试卷河南省焦作市2022-2023学年高三第二次模拟考试数学(理科)试题贵州省黔东南州2023届高三第一次适应性考试数学(文)试题贵州省黔东南州2023届高三第一次适应性考试数学(理)试题吉林省白山市2023届高三三模联考数学试题陕西省咸阳市高新一中2023届高三下学期第八次质量检测理科数学试题陕西省咸阳市高新一中2023届高三下学期第八次质量检测文科数学试题河南省焦作市2022-2023学年高三第二次模拟考试数学(文科)试题(已下线)专题16解析几何(解答题)(已下线)专题15解析几何(解答题)辽宁省锦州市黑山县黑山中学2023届高三一模数学试题
名校
解题方法
6 . 已知椭圆
的右顶点为A,左焦点为F,过点F作斜率不为零的直线l交椭圆于
两点,连接
,
分别交直线
于
两点,过点F且垂直于
的直线交直线
于点R.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/10/66d2811b-202b-4abb-b9e7-939080908ed3.png?resizew=216)
(1)求证:点R为线段
的中点;
(2)记
,
,
的面积分别为
,
,
,试探究:是否存在实数
使得
?若存在,请求出实数
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb4717d7fa6d522090c5e949f650bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/051be09b4e835cf68f624541a843018d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/051be09b4e835cf68f624541a843018d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/10/66d2811b-202b-4abb-b9e7-939080908ed3.png?resizew=216)
(1)求证:点R为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d7bc44c23548b83970d3422817be1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a62d1f44c3ec83f280aa3b76d17b152b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dbdbc43aa8c6cc90d93a6d8010ef07f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9704598bcc28d88271fee9b2b354254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2023-03-09更新
|
2264次组卷
|
5卷引用:安徽省淮北市相山区、杜集区、烈山区2022-2023学年高二下学期5月月考数学试卷
7 . 已知点
在椭圆
上,点
为椭圆
上异于顶点的任意一点,过点
作椭圆
的两条切线,切点分别为
.记直线
的斜率分别为
.
(1)求证:
为定值;
(2)若
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f036026cd92e9ad059c3f22a7658638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2752e086b85f9fbb95010bf771072af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10cb9214d8d79d857eaa0e7cfbc91e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34c7b51b6ee636e26c824f752f98dd45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c65902e35640cf2c8d4111c36b40145.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab95ab6c1186b0543f08ab2631ff853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d1271ffc2551ea06ca9d3b74c4d48c9.png)
您最近一年使用:0次
名校
解题方法
8 . 已知椭圆C的中心在坐标原点.焦点在坐标轴上,且椭圆C经过点
.
(1)求C的标准方程;
(2)已知F是C的右焦点,P是C上一点(P在第一象限),且PF垂直于x轴,直线
与C交于M,N两点,求证:四边形PMFN是平行四边形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d420d6df15c03737835842991dd7c46.png)
(1)求C的标准方程;
(2)已知F是C的右焦点,P是C上一点(P在第一象限),且PF垂直于x轴,直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba9a4ba3db28fdbe470422a0b79e99e.png)
您最近一年使用:0次
名校
解题方法
9 . 已知椭圆
的左、右顶点分别为
,
,过点
的直线l与椭圆C交于异于
,
的M,N两点,当l与x轴垂直时,
.
(1)求椭圆的标准方程;
(2)若直线
与直线
交于点P,证明点P在定直线上,并求出该定直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e788c747c01bb744d887029acaefee87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b81d7e0ae6cd2a96fa75ede38b5798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d776a89f4fd29dccffe1040069d59ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512fb5338ab8fb9def37bbb4dd5592d7.png)
(1)求椭圆的标准方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9399c9a2a31b0e3165aea2d6ccc4f7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b06b75fb4e379ff3b99e68f40136cad.png)
您最近一年使用:0次
名校
解题方法
10 . 已知椭圆
的离心率为
,左、右顶点分别为
,点P是椭圆上的动点,且点P与点
不重合,过其右焦点F与长轴垂直的直线与椭圆在第一象限交于点M,且
.
(1)求椭圆C的方程;
(2)设直线
的斜率分别为
,且与直线
分别交于点
,
①求:
的值;
②求证:以线段
为直径的圆过左焦点
,并求当圆的面积最小时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953c4994cd8cccbca212900cda1b53bc.png)
(1)求椭圆C的方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
①求:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b881044b5c73db6fcce110525741b02.png)
②求证:以线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fcb20a6972108871adbf284f9e5006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e55590555905eb4f57889bbd16e39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
您最近一年使用:0次
2023-02-18更新
|
538次组卷
|
2卷引用:江西省宜春市铜鼓中学2022-2023学年高二下学期第一次段考数学试题