名校
解题方法
1 . 已知点
,
是圆
:
上的任意一点,线段
的垂直平分线交
于点
,设动点
的轨迹曲线为
;
(1)求曲线
的方程;
(2)过点
作斜率不为0的直线
交曲线
于
两点,交直线
于
.过点
作
轴的垂线,垂足为
,直线
交
轴于
点,直线
交
轴于
点,求线段
中点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daec826bcf98e738a52fa34eb8a5e85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8607b7bdbcb604e6fcfbccb66ed2f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fcb20a6972108871adbf284f9e5006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ffda0c209f06e21770aeab0abc8cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.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/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
2024-04-06更新
|
254次组卷
|
2卷引用:福建省福州市八县(市、区)一中2023-2024学年高二上学期期末联考数学试题
名校
解题方法
2 . 已知圆锥曲线C的对称中心在原点,以坐标轴为对称轴,且经过点
与点
.
(1)求曲线C的方程;
(2)已知T为直线
上的动点(T不在x轴上),A,B为曲线C与x轴的交点,直线
与曲线C相交的另一点为M,直线
与曲线C相交的另一点为N,记
和
的面积分别为
,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59a1d3e6a94f1bcea354d37318fd003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
(1)求曲线C的方程;
(2)已知T为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1ec05e3cec27677ded7b4aecaa62d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7bf58e5fea1189b33cf55d86335452f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8059a935a2325a9e7abbcbf56aa167f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4aa8deeb53a8bf76532a4b3a1ca7ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615c4ead3a3e74c8ea748e1ac82a3672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2024-02-23更新
|
507次组卷
|
2卷引用:福建省福州第三中学2023-2024学年高二上学期1月期末数学试题
名校
解题方法
3 . 已知曲线
,
为
上一点,则以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6723029f949f6c91b78f0870008b463f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.曲线![]() |
B.![]() ![]() |
C.存在点![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2024-02-11更新
|
157次组卷
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2卷引用:福建省宁德市2023-2024学年高二上学期期末质量检测数学试题
4 . 已知曲线
,直线
与曲线
交于
轴右侧不同的两点
.
(1)求
的取值范围;
(2)已知点
的坐标为
,试问:
的内心是否恒在一条定直线上?若是,请求出该直线方程;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff63bffc106e06fd2629a3d35c637f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d00a5df9d281dd4e1e45bf6a4d6fb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2cc5f8cec8c498aa12c99c04e1c97d.png)
您最近一年使用:0次
2023-04-01更新
|
2285次组卷
|
6卷引用:福建省泉州市安溪铭选中学2024届高三下学期4月质量检测数学试题
福建省泉州市安溪铭选中学2024届高三下学期4月质量检测数学试题山东省新高考联合质量测评2023届高三下学期3月联考数学试题江苏省四校(无锡市辅仁高级中学、江阴高中、宜兴一中、常州市北郊中学)2022-2023学年高三下学期4月阶段性测试数学试题(已下线)专题15圆锥曲线中的定点、定值、证明问题(已下线)模块六 专题5易错题目重组卷(江苏卷)(已下线)重难点突破16 圆锥曲线中的定点、定值问题 (十大题型)-2
名校
解题方法
5 . 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
|
2263次组卷
|
5卷引用:福建省厦门双十中学2023届高三高考适应性考试数学试题
6 . 已知椭圆
的左、右顶点分别为A,B.直线l与C相切,且与圆
交于M,N两点,M在N的左侧.
(1)若
,求l的斜率;
(2)记直线
的斜率分别为
,证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812af758672db7576ad2a72eb1061248.png)
(2)记直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e4d7503a7d57ba242ad4e05c7006a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
您最近一年使用:0次
2023-03-09更新
|
1067次组卷
|
3卷引用:福建省泉州市2023届高三数学质量监测试题(三)
7 . 已知椭圆C:
(a>b>0)的离心率为
,左、右焦点分别为F1,F2,过F1的直线l交C丁A.B两点.当l⊥x轴时,△ABF2的面积为3.
(1)求C的方程;
(2)是否存在定圆E,使其与以AB为直径的圆内切?若存在,求出所有满足条件的圆E的方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c3d2ee2a9563d156141fec8e8439352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求C的方程;
(2)是否存在定圆E,使其与以AB为直径的圆内切?若存在,求出所有满足条件的圆E的方程;若不存在,请说明理由.
您最近一年使用:0次
2023-03-07更新
|
1320次组卷
|
3卷引用:福建省厦门市2023届高三下学期第二次质量检测数学试题
名校
解题方法
8 . 已知椭圆
与
轴正半轴交于点
,直线
与椭圆
交于
、
两点,直线
与直线
的斜率分别记为
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e860e7d762c206d296cffbdd2786e5.png)
(1)求
的值
(2)若直线
与椭圆相交于
、
两点,直线
、
的斜率分别记作
、
,若
,且
在以
为直径的圆内,求直线
的斜率
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1e1c8c91c04c4851d3c20e7f3b8a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e860e7d762c206d296cffbdd2786e5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf434334b09cc0fdd4e86e84e6ceb00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3307e11f7e6896e32aa510bbed949ac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2183e2602aaa2e7db578759cbb7662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2022-11-23更新
|
388次组卷
|
4卷引用:福建省安溪一中、养正中学、惠安一中、泉州实验中学2022-2023学年高二下学期期中联考数学试题
福建省安溪一中、养正中学、惠安一中、泉州实验中学2022-2023学年高二下学期期中联考数学试题辽宁省鞍山市第一中学2022-2023学年高二上学期期中数学试题(已下线)专题04 圆锥曲线经典题型全归纳(2)(已下线)期中真题必刷椭圆60题(4个考点专练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)
9 . 已知
的上顶点到右顶点的距离为
,离心率为
,右焦点为F,过点F的直线(不与x轴重合)与椭圆C相交于A、B两点,直线
与x轴相交于点H,过点A作
,垂足为D.
(1)求椭圆C的标准方程;
(2)①求四边形OAHB(O为坐标原点)面积的取值范围;
②证明直线BD过定点E,并求出点E的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdbd8a5d973b7a54b7605388fdcfbb07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13b505788d3d02bf232ac637fc3a8ee.png)
(1)求椭圆C的标准方程;
(2)①求四边形OAHB(O为坐标原点)面积的取值范围;
②证明直线BD过定点E,并求出点E的坐标.
您最近一年使用:0次
2022-08-29更新
|
1205次组卷
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10卷引用:福建省厦门外国语学校2023届高三上学期第一次月考数学试题
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名校
解题方法
10 . 已知椭圆
:
,
,
是左右焦点,且直线
过点
(
)交椭圆
于
,
两点,点
,
在
轴上方,点
在线段
上.
(1)若
为上顶点,
,求
的值;
(2)若
,原点
到直线
的距离为
,求直线
的方程;
(3)对于任意点
,是否存在唯一的直线
,使得
,若存在,求出直线
的斜率,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c7ea827c663d1b329222278a7c84268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a47abc50f3effce1185d73f70f28652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaed407a4ac1164ce48e736c76302ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0f3f5d9a4dfe6119d1b68b60fb8e58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b29a11aa9eec39c6d9ae63985e3ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)对于任意点
![](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/7c227e35b0571fa2906add0aa2d002bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2022-11-10更新
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