名校
解题方法
1 . 已知
是圆
上的动点,
是线段
上一点,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad05a28074ade32485ce9e425daa75cf.png)
(1)求点
的轨迹
的方程
(2)过
的直线
分别与轨迹
交于点
和点
,且
,若
分别为
的中点,求证:直线NH过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10596201aaadf88e55ea0809c386cbf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d63d61a066b016ab712483c0ad6271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad05a28074ade32485ce9e425daa75cf.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c45bb20ad47bdf084db4873fa0a198d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d571549bbabbdce48c78e5b2cbd964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe46b23cb22ac73fde6c883beb4abad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4914fef4302bc558cbe6bad66de49ad6.png)
您最近一年使用:0次
解题方法
2 . 已知椭圆
的离心率为
,左顶点和上顶点分别为A、B,
(1)求b的值;
(2)点P在椭圆上,求线段
的长度
的最大值及取最大值时点P的坐标;
(3)不过点A的直线l交椭圆C于M,N两点,记直线l,
的斜率分别为
,若
.证明:直线l过定点,并求出定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e756feec2851b90497421790a7206e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求b的值;
(2)点P在椭圆上,求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c5e8bec5c760f7463c8d9d1102b1d2.png)
(3)不过点A的直线l交椭圆C于M,N两点,记直线l,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d42cb68c5c877a455ba7ac0a6b6a651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667cb59b1d1cb18b48d881b154013650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67f280c77f48e910f8cf8ed0b138f255.png)
您最近一年使用:0次
名校
解题方法
3 . 已知椭圆M:
(a>b>0)的离心率为
,AB为过椭圆右焦点的一条弦,且AB长度的最小值为2.
(1)求椭圆M的方程;
(2)若直线l与椭圆M交于C,D两点,点
,记直线PC的斜率为
,直线PD的斜率为
,当
时,是否存在直线l恒过一定点?若存在,请求出这个定点;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆M的方程;
(2)若直线l与椭圆M交于C,D两点,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab70e602f2e2e291df643ab209162.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/a745c2da749f30fcf58edf0821f7cb04.png)
您最近一年使用:0次
2022-06-23更新
|
2231次组卷
|
6卷引用:青海省海东市第一中学2022届高考模拟(二)数学(理)试题
青海省海东市第一中学2022届高考模拟(二)数学(理)试题黑龙江省鹤岗市第一中学2021-2022学年高二下学期期末数学试题(已下线)专题24 圆锥曲线中的存在性、探索性问题 微点1 圆锥曲线中的存在性问题黑龙江省牡丹江市第三高级中学2022-2023学年高三上学期第六次月考数学试题(已下线)第25讲 圆锥曲线直线圆过定点问题-【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)(已下线)专题16 圆锥曲线-备战2023年高考数学母题题源解密(全国通用)
名校
解题方法
4 . 已知椭圆
,过原点
的直线交该椭圆
于
,
两点(点
在
轴上方),点
,直线
与椭圆的另一交点为
,直线
与椭圆的另一交点为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/20/f5b9b75b-8609-4251-bf9f-cfe1ea3603f7.png?resizew=276)
(1)若
是
短轴,求点C坐标;
(2)是否存在定点
,使得直线
恒过点
?若存在,求出
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57bb9cec90aa8e963985996e31e98a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b836015e09dfe7a88032c8b9af506726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/20/f5b9b75b-8609-4251-bf9f-cfe1ea3603f7.png?resizew=276)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)是否存在定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
名校
解题方法
5 . 已知椭圆
:
的右顶点为A,上顶点为
,直线
的斜率为
,原点
到直线
的距离为
.
(1)求
的方程;
(2)直线
交
于
,
两点,
,证明:
恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.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/535e95d241e9c978c10355dcb07da256.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0a31202a7a69d530c05a75229e6ea6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e8e22765029ced3348067d7265f158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2022-06-13更新
|
813次组卷
|
3卷引用:2022年普通高等学校招生全国统一考试模拟试题(全国乙卷A)理科数学试题
名校
解题方法
6 . 已知椭圆C:
的离心率为
,左,右焦点分别为
,
,O为坐标原点,点Q在椭圆C上,且满足
.
(1)求椭圆C的标准方程;
(2)设P为椭圆C的右顶点,直线l与椭圆C相交于M,N两点(M,N两点异于P点),且PM⊥PN,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.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/cf852911ae487328ff95fda474094178.png)
(1)求椭圆C的标准方程;
(2)设P为椭圆C的右顶点,直线l与椭圆C相交于M,N两点(M,N两点异于P点),且PM⊥PN,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79188647c574441c2414c3781a0ef543.png)
您最近一年使用:0次
名校
解题方法
7 . 在平面直角坐标系
中, 椭圆
:
的左,右顶点分别为
、
,点
是椭圆的右焦点,
,
.
(1)求椭圆
的方程;
(2)不过点
的直线
交椭圆
于
、
两点,记直线
、
、
的斜率分别为
、
、
.若
,证明直线
过定点, 并求出定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7451b947d1adea22bc04070efdd2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0447c456a0220255987b5f0664e411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4502e2ecf367ce7e5c61bdef7c85bb97.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)不过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9eeee83b4b7c6ceac7828ff534ce15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.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/15befbdad977723a86194979c675ee5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2562424a83aae7e4b3f8adf90307961a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b58edb637c5dfa03794f3952de9d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b55ceda5786eaddac189f4a72a2adb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
您最近一年使用:0次
2022-10-19更新
|
2248次组卷
|
20卷引用:一轮复习大题专练58—椭圆(定点问题)—2022届高三数学一轮复习
(已下线)一轮复习大题专练58—椭圆(定点问题)—2022届高三数学一轮复习广东省汕头市金山中学2022届高三上学期期末数学试题四川省南充高级中学2021-2022学年高三上学期月考四数学(文)试题四川省南充高级中学2021-2022学年高三上学期月考四数学(理)试题内蒙古自治区赤峰市赤峰红旗中学2021-2022学年高二上学期期末数学文科试题海南省琼海市嘉积中学2022届高三下学期第一次月考数学试题四川省南充高级中学2022-2023学年高三上学期第二次模拟考试数学理科试题(已下线)考向36 直线与圆锥曲线最全归纳(十六大经典题型)-3四川省成都市简阳市阳安中学2022-2023学年高三上学期10月月考数学(理科)试题江西省上高二中2023届高三上学期第三次月考数学(理)试题广东省揭阳市普宁市华侨中学2023届高三上学期11月期中数学试题(已下线)专题39 圆锥曲线中的定点、定值问题-2(已下线)专题32 一类与斜率和、差、商、积问题的探究-1(已下线)期中测试卷01(基础卷)-【满分计划】2022-2023学年高二数学阶段性复习测试卷(苏教版2019选择性必修第一册)黑龙江省鹤岗市第一中学2022-2023学年高二上学期期中数学试题江苏省扬州市江都区邵伯高级中学2021-2022学年高三上学期期末热身测试一数学试题江苏省南京市2021-2022学年高三上学期9月期初学情调研数学试题(已下线)专题04 圆锥曲线定值问题-【解题思路培养】2022年高考数学一轮复习解答题拿分秘籍(全国通用版)四川省攀枝花市第三高级中学校2021-2022学年高二上学期第一次月考数学(理)试题(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
8 . 在平面直角坐标系xOy中,椭圆C:
的离心率为
,左顶点为A,上顶点为B,
.
(1)求椭圆C的标准方程;
(2)不过椭圆点A的直线l交椭圆C于M,N两点,记直线l,AM,AN的斜率分别为k,k1,k2,若
.证明:直线l过定点,并求出定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948261c41cc1509f023761d880c75582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04d94b89c1e6ca3c3cad3e4f7884d37.png)
(1)求椭圆C的标准方程;
(2)不过椭圆点A的直线l交椭圆C于M,N两点,记直线l,AM,AN的斜率分别为k,k1,k2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed06be37684e5999b3378a09c7706b48.png)
您最近一年使用:0次
2022-06-03更新
|
737次组卷
|
2卷引用:湖南省长沙市长沙县第一中学2022届高三下学期押题卷4数学试题
名校
解题方法
9 . 已知椭圆
的离心率为
,左、右顶点分别是A,B,且
.
(1)求椭圆E的标准方程;
(2)已知M,N是椭圆E上异于A,B的不同两点,若直线AM与直线AN的斜率之积等于-1,判断直线MN是否过定点?若过定点,求出定点的坐标;若不过定点,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfc9d1109fe41145cc892b5702d9fb.png)
(1)求椭圆E的标准方程;
(2)已知M,N是椭圆E上异于A,B的不同两点,若直线AM与直线AN的斜率之积等于-1,判断直线MN是否过定点?若过定点,求出定点的坐标;若不过定点,请说明理由.
您最近一年使用:0次
2022-06-02更新
|
1944次组卷
|
4卷引用:北京景山学校2022届高三适应性考试数学试题
北京景山学校2022届高三适应性考试数学试题(已下线)专题24 圆锥曲线中的存在性、探索性问题 微点3 圆锥曲线中的存在性、探索性问题综合训练黑龙江省佳木斯市第十二中学2021-2022学年高二下学期期末考试数学试题新疆伊犁州霍尔果斯市苏港中学2022-2023学年高二下学期第一次教学检测数学试题
10 . 已知
是椭圆
:
上不在坐标轴上的任意一点,且
,
分别为椭圆的下、上顶点,直线
和
分别与
轴相交于
、
两点.
(1)求证:
为定值;
(2)若点
坐标为
,过
点的直线
与椭圆
相交于
,
两点,试求
面积的最大值.
![](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/4fef53df361100dd33c7ac4a561d6c1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655c413f509068d30b165f9d92bdba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebeb0c6b3331994e6fced0e825d5638b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43995a8753fb39e768bc0e04a0e2a7b3.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7ad41b36674fd6e90176ee24cdefbb.png)
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