名校
解题方法
1 . 已知椭圆
的长轴长为
,离心率为
,斜率为k的直线l与椭圆
有两个不同的交点A,B.
(1)求
的方程;
(2)若直线l的方程为
,点
关于直线l的对称点N(与M不重合)在椭圆
上,求t的值;
(3)设
,直线PA与椭圆
的另一个交点为C,直线PB与椭圆
的另一个交点为D,若点C,D和点
三点共线,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163b5beef24f681605adecc6b0ba76e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若直线l的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aeabebd5bd9968bf5604ae1243476b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25e326fdf9e5456f48e8a99a069f379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f4ec943ad1319d9df9ead145195817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116b8a86269aa2e2d1fbcfcd9a37914a.png)
您最近一年使用:0次
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|
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6卷引用:江西省部分学校2024届高三上学期12月联考数学试题
名校
解题方法
2 . 已知椭圆
:
中,A为
的上顶点,P为
上异于上、下顶点的动点,
为x轴上的动点.
(1)若
,求点P的纵坐标;
(2)设
,若
是直角三角形,求
的值;
(3)若
,是否存在以AM,AP为邻边的平行四边形MAPQ,使得点Q在
上?若存在,求出此时点P的纵坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f20514de7d0eda255ce62f94fdd0bc7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/140a5a69235a6e398c894955cc1bb1b5.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cccdb7fef301425d53500da01970184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784b26de6134b6d3f5a81e2882a7d7f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96554444f1c1797a8c47149d65705092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
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2卷引用:江西省上饶市广信二中2023-2024学年高二上学期期中数学试题
解题方法
3 . 已知椭圆
过点
.
(1)求
的离心率;
(2)若
是
的左焦点,
分别是
的左、右顶点,
是
上一点(
不与顶点重合),直线
交
轴于点
,且
的面积是
面积的
倍,求直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ae67a70838495508df9d02eae7c5a3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9399c9a2a31b0e3165aea2d6ccc4f7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27854b5d03d8f098be52a77ce283a1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155cf439be44485d5ed90832076a6dce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb16d1089cf194d658387742e1c2a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9399c9a2a31b0e3165aea2d6ccc4f7c9.png)
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2023-12-20更新
|
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2卷引用:江西省部分高中学校2023-2024学年高二上学期11月月考数学试卷
名校
解题方法
4 . 已知椭圆:
的左、右焦点分别为
,
,短半轴
长为1,点
在椭圆E上运动,且
的面积最大值为
.
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.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/1ec7bcf5820dfe70290259c2d7ac1ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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2023-11-27更新
|
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5卷引用:江西省宜春市宜丰中学2023-2024学年高二上学期1月期末考试数学试题
江西省宜春市宜丰中学2023-2024学年高二上学期1月期末考试数学试题四川省成都市蓉城联盟2023-2024学年高三上学期第一次联考理科数学试题(已下线)模块一 专题2 《解析几何》单元检测篇 B提升卷福建省福州市第十一中学2023-2024学年高二上学期期末考试数学试卷(已下线)重难点14 圆锥曲线必考压轴解答题全归类【十一大题型】(举一反三)(新高考专用)-2
名校
解题方法
5 . 已知椭圆C:
的焦距为
,左右顶点分别为A,B.M是C上异于A,B的点,满足MA,MB的斜率之积为
.
(1)求C的方程;
(2)P,Q是椭圆C上的两点(P在Q的左侧),AP,BQ的斜率为
,
,且
.且AQ与PB相交于T,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78fd95f89dec2d373fa57f02acd739f.png)
(1)求C的方程;
(2)P,Q是椭圆C上的两点(P在Q的左侧),AP,BQ的斜率为
![](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/ef42faa9d21371359b8a87584bc466f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f206d5d28b72b3f9f61d21993de977b2.png)
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2023-11-13更新
|
711次组卷
|
4卷引用:江西省景德镇市2024届高三第一次质检数学试题
江西省景德镇市2024届高三第一次质检数学试题(已下线)模块五 全真模拟篇 能力1 期末终极研习室(2023-2024学年第一学期)高三山东省青岛市第十七中学2024届高三上学期期末检测数学试题(已下线)上海市奉贤区2024届高三一模数学试题变式题16-21
6 . 椭圆
的左、右焦点分别为
,左、右顶点分别为
,点
在
上.已知
面积的最大值为
,且
与
的面积之比为
.
(1)求
的方程;
(2)不垂直于坐标轴的直线
交
于
两点,
与
不重合,直线
与
的斜率之积为
.证明:
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c118b51ab426bc1c1b56179094f146.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa65e9e7125c4bd360cf71ea4439e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2cc5f8cec8c498aa12c99c04e1c97d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe103f073845122c66f22dcb14b711f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)不垂直于坐标轴的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.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/5963abe8f421bd99a2aaa94831a951e9.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/7dacc393423c7740a5bd9eeb95a1034d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2023-11-11更新
|
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|
3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12月月考数学试题
名校
解题方法
7 . 已知椭圆C:
的左、右焦点分别为
,
,过点
的直线l经过原点,交C于不同两点A,B,且
,
.
(1)求椭圆的标准方程;
(2)过点
的直线与y轴正半轴交于点G,与曲线C交于点E,点E在x轴的投影为点
,过点G的另一直线与曲线C交于P,Q两点,若
,求PQ所在直线的方程.
![](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/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5cc02370e46cc7d0b50769db7d87753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21ea9b412bec6653960f18f63d4cf91.png)
(1)求椭圆的标准方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b671cdde6baf9ab577330696ca8ff121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99d1aa8e2035fcb1005d08a96f5fb75.png)
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2023-11-11更新
|
288次组卷
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2卷引用:江西省抚州市资溪县第一中学2023-2024学年高二上学期期中调研数学试题
名校
解题方法
8 . 已知
是椭圆
的右焦点,
为坐标原点,
为椭圆上任意一点,
的最大值为3,
面积的最大值为
.
(1)求椭圆
的标准方程;
(2)点
是
轴正半轴上的一点,过点
和点
的直线
与椭圆
交于
两点.求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c63f99c1d614a7b240d0f86cac3a207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b3fbc12c18f37b2a6becae2e26c4d8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca07069001852295d67c5fb81925c292.png)
您最近一年使用:0次
2023-11-06更新
|
751次组卷
|
2卷引用:江西省宜春市铜鼓中学2024届高三上学期第四次阶段性测试数学试题
名校
解题方法
9 . 已知点
,
,动点P满足
,设P的轨迹为C.
(1)求C的轨迹方程;
(2)若过点A的直线与C交于M,N两点,求
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee07d86765c4fb74ac647742f16bd57c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df5d30e4268a4b86a4e098e8cb57da3.png)
(1)求C的轨迹方程;
(2)若过点A的直线与C交于M,N两点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43edc7cf4e4ca28b7125ca4ba1fa7add.png)
您最近一年使用:0次
2023-10-11更新
|
1281次组卷
|
4卷引用:江西省宁冈中学2023-2024学年高二上学期11月期中数学试题
江西省宁冈中学2023-2024学年高二上学期11月期中数学试题黑龙江省哈尔滨市第三中学校2023-2024学年高二上学期10月月考数学试题重庆市字水中学2023-2024学年高二上学期期中数学试题(已下线)专题16 圆的一般方程7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(人教B版2019选择性必修第一册)
名校
解题方法
10 . 已知椭圆
为其左、右焦点,
为
上点.
.当
,
面积最大.
(1)求椭圆C的离心率.
(2)过P与椭圆C相切的切线方程为
,求椭圆C的方程.
(3)在(2)的前提下,若
.过P的直线
交C的另一点
,A为C的左顶点.求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba9042bd05fb267bef023070cdcf06f.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/faa4ae8d7537feb98c7de50302705609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd15ead753cf2927f51d07c7727c6cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
(1)求椭圆C的离心率.
(2)过P与椭圆C相切的切线方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f60c8585792e633317e4585e177940a3.png)
(3)在(2)的前提下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f76f9480af1327b96309b1f91d137d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
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2023-08-22更新
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548次组卷
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4卷引用:江西省吉安市双校联盟2022-2023学年高二下学期期中考试数学试题