名校
解题方法
1 . 已知椭圆
:
,若点
,
,
,
中恰有三点在椭圆
上.
(1)求
的方程;
(2)点
是
的左焦点,过点
且与
轴不重合的直线
与
交于不同的两点
,
,求证:
内切圆的圆心在定直线上.
![](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/7b67c0525a41fffd3ff86fded5ce46c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa147625926cc1453cc20b42f0685a69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c591b4f1df5b29cb3e03f136e376c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45213955caa6458ba08ee56153087489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](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/3ad3a4d8eb0a4f3dd417124a19f60066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/004104bafb5f30338123d4ea2b7fedde.png)
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2022-11-05更新
|
559次组卷
|
2卷引用:四川省成都市实验外国语学校2022-2023学年高三上学期11月月考文科数学试题
名校
解题方法
2 . 已知椭圆
:
的离心率为
,直线
:
与椭圆
相交于
,
两点,且
.
(1)求椭圆
的方程;
(2)若直线
:
与椭圆
相交于
,
两点,求证:
,
,
,
四点在同一个圆上.
![](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/da40c0caa13092a358d73cdbd65c4c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce619c464f2aa04178ea0111ba60544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b008e50905664dbde9b8b369b3c5b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.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/81eaeb9dd40924494915dd900d58fbe7.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d9ccc4246c82939d8a659db9f28a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e300625172c9be2d9eb6bdfd4b9509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eacd9c1ce5e65fec29c32f40d86b73d.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/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eacd9c1ce5e65fec29c32f40d86b73d.png)
您最近一年使用:0次
2022-10-21更新
|
476次组卷
|
2卷引用:四川省成都石室中学2022-2023学年高三上学期10月月考数学(理)试题
3 . 已知点
,
,动点
,满足直线
与直线
的斜率之积为
,记动点
的轨迹为曲线
.
(1)求曲线
的方程.
(2)设经过点
且不经过点
的直线
与曲线
相交于M,N两点,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee683bfdad9234a4aa810135e0d00e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77e9c89b7275b0c1a9af5c9a72e5968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b5e290c6b2c5508a3bf6117afbf7e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602baac86c2b1668ecdfadc8a5948885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b334e2eaa7e8fb79cef8208b56ee4f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1b6f209d1a805437046ca6ef79dd.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/f63e9a213f3dd57269cf4ff02d6212e0.png)
您最近一年使用:0次
2023-03-01更新
|
415次组卷
|
2卷引用:四川省成都市锦江区四川师范大学附属中学2020-2021学年高二下学期期中考试理科数学试题
名校
4 . 已知椭圆C:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
过点
且椭圆的左、右焦点与短轴的端点构成的四边形的面积为
.
(1)求椭圆C的标准方程;
(2)设A是椭圆的左顶点,过右焦点F的直线l1,与椭圆交于P,Q,直线AP,AQ与直线l2:x=4交于M,N,线段MN的中点为E,求证:EF⊥PQ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434249d6640b0c1a712d215cf8b83d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de261e9b4defbc0be6440397031a87b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求椭圆C的标准方程;
(2)设A是椭圆的左顶点,过右焦点F的直线l1,与椭圆交于P,Q,直线AP,AQ与直线l2:x=4交于M,N,线段MN的中点为E,求证:EF⊥PQ.
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2022-07-20更新
|
442次组卷
|
3卷引用:四川省内江市第六中学2022届高三下学期第三次强化训练数学(文科)试题
名校
解题方法
5 . 如图,已知椭圆
长轴长为4,离心率
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/30/28a97491-fffa-4653-a4b8-b839838112ec.jpg?resizew=219)
(1)求椭圆C的标准方程;
(2)点
为椭圆C上一点,设
是经过右焦点F的任一弦(不经过点P),直线
与直线
相交于点M,记
的斜率分别为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/30/28a97491-fffa-4653-a4b8-b839838112ec.jpg?resizew=219)
(1)求椭圆C的标准方程;
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166a8e1bcb93423697696e2ba0409fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca1726d463bd741c904abd9b6589056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7298e9172c5139222535dd653549b9b6.png)
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2022-10-27更新
|
730次组卷
|
3卷引用:四川省泸州市龙马高中2022-2023学年高二上学期期中考试数学(文)试题
名校
解题方法
6 . 已知椭圆
:
的离心率为
,左、右焦点分别为
,
,过
作不平行于坐标轴的直线交
于A,B两点,且
的周长为
.
(1)求
的方程;
(2)若
轴于点M,
轴于点N,直线AN与BM交于点C.
①求证:点C在一条定直线上,并求此定直线;
②求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee05b3210c8964deef8ff771173d288.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd263fa65347735f95d3364e5b91a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff86ca2de3dd3592e013ff0e43b472e.png)
①求证:点C在一条定直线上,并求此定直线;
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2022-06-06更新
|
825次组卷
|
4卷引用:四川省仁寿第一中学校南校区2022-2023学年高二上学期12月月考数学(理)试题
四川省仁寿第一中学校南校区2022-2023学年高二上学期12月月考数学(理)试题海南省海南中学2022届高三第十次月考数学试题(已下线)2.8直线与圆锥曲线的位置关系(1)(已下线)第3章 圆锥曲线与方程(A卷·知识通关练)(2)
名校
解题方法
7 . 已知椭圆
的离心率为
,
是C的上、下顶点,且
.过点
的直线l交C于B,D两点(异于
),直线
与
交于点Q.
(1)求C的方程;
(2)证明,点Q的纵坐标为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e13dcc66224ad30d1c6bc4920afe483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c10f14aae6fb21e047ecb39cdf40c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6358bc554fdd7175bc02bd2e06f405d0.png)
(1)求C的方程;
(2)证明,点Q的纵坐标为定值.
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2022-04-21更新
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999次组卷
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5卷引用:四川省成都市石室中学2022-2023学年高三上学期10月阶段性测文科数学试题
名校
8 . 已知椭圆
的离心率为
,长轴的两个端点分别为
,
.
(1)求椭圆
的方程;
(2)过点
的直线与椭圆
交于
、
(不与A、B重合)两点,直线
与直线
交于点
,求证:
、
、
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2022-04-08更新
|
1272次组卷
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9卷引用:四川省遂宁市射洪中学校2022届高三下学期高考适应性考试数学(理科)试题
四川省遂宁市射洪中学校2022届高三下学期高考适应性考试数学(理科)试题四川省遂宁市射洪中学校2022届高三下学期高考适应性考试数学(文科)试题四川省成都市第七中学2022-2023学年高三上学期第三次质量检测数学理科试题四川省成都市第七中学2022-2023学年高三上学期第三次质量检测数学文科试题四川省绵阳市盐亭中学2023届高三第四次质量检测理科数学试题吉林省长春市2022届高三线上质量监测(三)数学文科试题(已下线)理科数学-2022年高考押题预测卷01(全国甲卷)福建省福州第三中学2023届高三上学期第四次质量检测数学试题江苏省徐州市睢宁高级中学2023-2024学年高二上学期10月学情调研数学试题
名校
解题方法
9 . 已知椭圆
,与x轴不重合的直线l过椭圆的左焦点
,且与椭圆G相交于A,B两点,弦AB的中点为M,直线OM与椭圆G相交于C,D两点,设直线的斜率为
,直线OM的斜率为
.
(1)求证:
;
(2)若存在直线l满足
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee9bf239ca3358337211814792ecd82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3e49e6d6f21c43892daaa7627162fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80065003fe6677e9a6b4f0dfb9d1db0f.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730ce81f59ebc0cf638b7495ce5f366e.png)
(2)若存在直线l满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194b2b923ac634648a10dbec8d8c02d0.png)
您最近一年使用:0次
2022高三·全国·专题练习
名校
解题方法
10 . 已知椭圆
的离心率为
,且过点
.
(1)求椭圆
的标准方程;
(2)过定点
的直线
与椭圆
相交于
、
两点,已知点
,设直线
、
的斜率分别为
,求证:
.
![](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/22840186db0afc0e2b2e8915ce79b998.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过定点
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5卷引用:四川省绵阳东辰国际学校2020-2021学年高三下学期三诊数学(文)试题
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