名校
解题方法
1 . 已知椭圆
的右焦点为
,上顶点为H,O为坐标原点,
,点
在椭圆E上.
(1)求椭圆E的方程;
(2)设经过点
且斜率不为0的直线l与椭圆E相交于A,B两点,点
,
.若M,N分别为直线AP,BQ与y轴的交点,记
,
的面积分别为
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3daa7b730e39a79fc42eae514c44dd23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2de52259b426acb42761fec59a7748.png)
(1)求椭圆E的方程;
(2)设经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328aaba77106396d4ca644c8b7a352e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c441c7e1d4bc397894cc8a6a169e0d58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a9dabb53dc826019fc8b6ae6d940c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8428037a379bcd01cfffd5aa9434dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f10f9679275de120c872be4fdbf69c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e022ff9542080ee19c1dd87a197a918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/007c640108b972febb7caabe1d58c7bb.png)
您最近一年使用:0次
2022-07-12更新
|
3344次组卷
|
15卷引用:专题07 直线与圆、圆锥曲线
(已下线)专题07 直线与圆、圆锥曲线四川省成都市2023届高三上学期摸底考试文科数学试题四川省成都市2023届高三摸底测试理科数学试题江苏省南京市中华中学2022-2023学年高三上学期大练(1)数学试题(已下线)第10讲 高考难点突破二:圆锥曲线的综合问题(定值问题) (精讲)江苏省泰州中学2022-2023学年高三上学期期初调研考试数学试题江苏省扬州中学2022-2023学年高三上学期10月月考数学试题(已下线)专题30 圆锥曲线三角形面积与四边形面积题型全归类-2广东省惠州市2023届高三上学期第二次调研数学试题江苏省宿迁市沭阳如东中学2022-2023学年高三上学期阶段测试(四)数学试题山西省长治市第二中学校2023届高三上学期第四次月考数学试题江苏省南通市海安市立发中学2022-2023学年高三上学期学情检测(二)数学试题天津市南开区南大奥宇学校2022-2023学年高三上学期第三次月考数学试题吉林省延边州2024届高三下学期教学质量检测一模数学试题(已下线)第26讲 圆锥曲线中定值问题(1)
名校
解题方法
2 . 已知椭圆
的左右焦点分别为
,点
为以
为直径的圆与椭圆
在第一象限的交点.
(1)求椭圆
的方程;
(2)若过点
且倾斜角为钝角的直线
与椭圆
交于
两点(其中点
在
轴下方),
为
的中点,
为原点,求当
最大时,
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2745d031afd602599d5e4f90a69cd94e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/0d776a89f4fd29dccffe1040069d59ee.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/7f9e8449aad35c5d840a3395ea86df6d.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b722d58e08c10e360dafb52bb73515ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a10347f66197ccc693068ca3686e793.png)
您最近一年使用:0次
解题方法
3 . 已知点P(2,
)为椭圆C:
)上一点,A,B分别为C的左、右顶点,且△PAB的面积为5.
(1)求C的标准方程;
(2)过点Q(1,0)的直线l与C相交于点G,H(点G在x轴上方),AG,BH与y轴分别交于点M,N,记
,
分别为△AOM,△AON(点O为坐标原点)的面积,证明
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa585b9257ed0798213a9ae9b87d291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
(1)求C的标准方程;
(2)过点Q(1,0)的直线l与C相交于点G,H(点G在x轴上方),AG,BH与y轴分别交于点M,N,记
![](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/fa4fd7e4116f6ced33dfaa05f1cf7803.png)
您最近一年使用:0次
2022-05-23更新
|
1294次组卷
|
3卷引用:河北省邯郸市2022届高考二模数学试题
解题方法
4 . 已知椭圆
的离心率为
,且过点
.
(1)求椭圆
的方程;
(2)点
关于原点
的对称点为点
,与直线
平行的直线
与
交于点
,直线
与
交于点
,点
是否在定直线上?若在,求出该直线方程;若不在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508780b17f67b38a47e03dc15795cc0d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2022-05-21更新
|
951次组卷
|
3卷引用:河北省沧州市2022届高三第二次模拟数学试题
名校
解题方法
5 . 已知椭圆C:
的右焦点为F,离心率为
,点
在椭圆C上.
(1)求椭圆C的标准方程;
(2)过点(2,0)且斜率不为0的直线l与椭圆C相交于A,B两点,过点F且与x轴垂直的直线与直线l相交于点M.证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d782ac988aca7fe1e5604141655110.png)
(1)求椭圆C的标准方程;
(2)过点(2,0)且斜率不为0的直线l与椭圆C相交于A,B两点,过点F且与x轴垂直的直线与直线l相交于点M.证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dbe79c44100251bdc249549a8b791a0.png)
您最近一年使用:0次
2022-05-06更新
|
781次组卷
|
2卷引用:河北省阜城中学2022-2023学年高三第一次月考数学试卷
名校
解题方法
6 . 已知椭圆
,其右焦点为
,点M在圆
上但不在
轴上,过点
作圆的切线交椭圆于
,
两点,当点
在
轴上时,
.
(1)求椭圆
的标准方程;
(2)当点
在圆上运动时,试探究
周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce176fdfbb44b8459f441a8d805013f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef74c4299221a967507c6a179337581a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c7e3b6c9b4c7c09f0246a6e05c7e1b.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a9bf6bda9363dbef5f6ff4bf6a5edf.png)
您最近一年使用:0次
2022-03-30更新
|
3299次组卷
|
9卷引用:河北省2022届高考临考信息(预测演练)数学试题
河北省2022届高考临考信息(预测演练)数学试题广东省2022届高三一模数学试题(已下线)专题二十三 椭圆与方程(已下线)必刷卷03 (理)-2022年高考数学考前信息必刷卷(全国乙卷)(已下线)专题38 圆锥曲线中的圆问题-1(已下线)广东省2022届高三一模数学试题变式题17-22广东省广州市番禺区2021-2022学年高二下学期期中数学试题新疆实验中学2022-2023学年高二上学期期中考试数学试题广东省揭阳市揭东区2022-2023学年高二上学期期末数学试题
名校
解题方法
7 . 已知椭圆
的左,右顶点分别为A,B,点A到直线
:
的距离为6,点
在椭圆C上.
(1)求椭圆C的标准方程;
(2)点P在直线
上(点P不在x轴上),直线
与椭圆C相交于另一点M,直线
与椭圆C相交于另一点N,求直线
所过定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8da36e3081bfe5d32c9ec70be4da3da.png)
(1)求椭圆C的标准方程;
(2)点P在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
解题方法
8 . 在平面直角坐标系xOy中,椭圆C:
的离心率
,且过点
,A,B分别是C的左、右顶点.
(1)求C的方程;
(2)已知过点
的直线交C于M,N两点(异于点A,B),试证直线MA与直线NB的交点在定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182c81fb1c5e6d1a57a5f34a31ee69a9.png)
(1)求C的方程;
(2)已知过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a1eb1babf5a1eb0f95f3af5c53fcd3.png)
您最近一年使用:0次
2022-03-19更新
|
1242次组卷
|
4卷引用:河北省石家庄市藁城新冀明中学2022届高三上学期12月月考数学试题
河北省石家庄市藁城新冀明中学2022届高三上学期12月月考数学试题山西省2022届高三第一次模拟数学(文科)试题山西省2022届高三一模数学(理)试题(已下线)第27讲 圆锥曲线中定直线问题-【同步题型讲义】2022-2023学年高二数学同步教学题型讲义(人教A版2019选择性必修第一册)
解题方法
9 . 已知椭圆C经过点
,
.
(1)求椭圆C的标准方程;
(2)过点
的直线l与椭圆C交于不同的两点M,N(均与P不重合),证明:直线
,
的斜率之和为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b391091ceb8521e5fd369d7cbb8c9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288a82e5124164a07e6e44115bdf106c.png)
(1)求椭圆C的标准方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b1af9b4606b2490fbe4e36e886199a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
您最近一年使用:0次
2022-03-17更新
|
542次组卷
|
3卷引用:河北省邯郸市部分学校2022届高三下学期3月质量检测联考数学试题
10 . 已知椭圆
:
(
)的左、右顶点分别为
,
,
为坐标原点,直线
:
与
的两个交点和
,
构成一个面积为
的菱形.
(1)求
的方程;
(2)圆
过
,
,交
于点
,
,直线
,
分别交
于另一点
,
.
①求
的值;
②证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
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①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d53a52aebd885294e323ee90c9b5382.png)
②证明:直线
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