1 . 已知椭圆
经过
两点,M,N是椭圆E上异于T的两动点,且
,若直线AM,AN的斜率均存在,并分别记为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/a71ea7ad-ff1d-416d-ac0c-d76b4003a1b1.png?resizew=197)
(1)求椭圆E的方程;
(2)求证:
;
(3)求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c6af1a2385335d2cb43362f3750f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032a2eb83561061db7c31d35a93a328f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/a71ea7ad-ff1d-416d-ac0c-d76b4003a1b1.png?resizew=197)
(1)求椭圆E的方程;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b728c0e69820cdcd839e67ffdb1014.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
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名校
解题方法
2 . 如图,A、F是椭圆C:
(
)的左顶点和右焦点,P是C上在第一象限内的点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/30/db56c9c4-6f18-4590-baee-ca8732951fd2.png?resizew=150)
(1)若
,
轴,求椭圆C的方程;
(2)若椭圆C的离心率为
,
,求直线PA的倾斜角 的正弦.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/30/db56c9c4-6f18-4590-baee-ca8732951fd2.png?resizew=150)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb7c47e3b286437d8e6ee8b7ec4f003.png)
(2)若椭圆C的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4838dc0edadf3cd666ed7c451f93ed7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b970b821d07a3616a95daee28c50b684.png)
您最近一年使用:0次
2023-04-28更新
|
209次组卷
|
2卷引用:四川省成都市嘉祥教育集团2022-2023学年高二下学期期中监测数学(理)试题
名校
解题方法
3 . 已知椭圆
的上、下顶点分别为
,点
在
上,且
.
(1)求椭圆
的标准方程;
(2)设坐标原点为
,若不经过点
的直线与
相交于
两点,直线
与
的斜率互为相反数,当
的面积最大时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef404abca1f78da130a38849f58559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd54a1a3b5f750da1e14552b6066a7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82be7cb817920e37599d05004f640548.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设坐标原点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/7789a500686c7a73770404ead6af0590.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/d4f02028a3847c4807c2d3cf0ea7efb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2023-04-25更新
|
843次组卷
|
5卷引用:重庆市荣昌中学校2023-2024学年高二下学期4月期中考试数学试题
重庆市荣昌中学校2023-2024学年高二下学期4月期中考试数学试题陕西省西安市第六中学分校2023届高三下学期4月模拟数学试题 重庆市巴蜀中学校2023届高三下学期4月月考数学试题安徽省江南十校2022-2023学年高二下学期5月联考数学模拟试题(已下线)专题3.8 圆锥曲线中的面积问题大题专项训练【六大题型】-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)
解题方法
4 . 已知椭圆
经过点
,且离心率为
,抛物线
的焦点F与
的右焦点重合.
(1)求
与
的标准方程;
(2)过
的右顶点的直线与
交于A,B两点,线段AB的中点为E,点O为坐标原点,证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e9291badf5048bcc19919189105c08.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd486b8796b3454eab219c28ed131683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb37c2e95bac79d1c187351cef39e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4ac6fb4079a522ea7858254b598e0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e9291badf5048bcc19919189105c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7e9c75b42521500ec077f761ae66d1.png)
您最近一年使用:0次
5 . 已知椭圆
的离心率为
,且椭圆C经过点
,过右焦点F的直线l与椭圆C交于A,B两点.
(1)求椭圆C的方程;
(2)设O为坐标原点,求
面积的最大值以及此时直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0471cd3dccabaef113cd5761544d7c.png)
(1)求椭圆C的方程;
(2)设O为坐标原点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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2023-04-09更新
|
1858次组卷
|
10卷引用:吉林省白山市2023届高三下学期四模联考(4月期中)数学试题
吉林省白山市2023届高三下学期四模联考(4月期中)数学试题陕西省商洛市洛南中学2022-2023学年高二下学期期中理科数学试题(已下线)高二数学上学期期中考模拟卷(直线与方程+圆与方程+圆锥曲线与方程)-【考点通关】2023-2024学年高二数学高频考点与解题策略(苏教版2019选择性必修第一册)山西省部分学校2023届高三下学期4月联考数学试题河南省创新发展联盟2023届高三下学期二模考试数学(理)试题河南省创新发展联盟2023届高三下学期二模考试数学(文)试题辽宁省县级重点高中联合体2023届高三二模数学试题海南省华侨中学2023届高三第四次模拟考试数学试题河北省保定市唐县第一中学2022-2023学年高二下学期5月月考数学试题(已下线)专题15 圆锥曲线综合
名校
解题方法
6 . 已知椭圆
经过点
,其左焦点为
.
(1)求椭圆C的标准方程;
(2)椭圆C的右顶点为A,若点P,Q在椭圆C上,且满足直线AP与AQ的斜率之积为
,证明:直线PQ过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e454c7161999e2a67138869f59d319b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4a7482cb81b34df5a11807b8136a8.png)
(1)求椭圆C的标准方程;
(2)椭圆C的右顶点为A,若点P,Q在椭圆C上,且满足直线AP与AQ的斜率之积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8930e9a26a52a6b09740c1dddbd40e.png)
您最近一年使用:0次
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解题方法
7 . 已知
分别是椭圆
的左、右顶点,若椭圆
的短轴长等于焦距,且该椭圆经过点
.
(1)求椭圆
的标准方程;
(2)过椭圆
的右焦点
作一条直线交椭圆
于
,
(异于
,
两点)两点,连接
,
并延长,分别交直线
于不同的两点
,
.证明:直线
与直线
相交于点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccb2961c05d4f36b0b7c7f161d22590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d31f1fa998cd2fc73dd277da9e126b0.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b114dd62d9fe5538a5e7335c3c5642.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/d2dca049735b45fb9b2533c68605eddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2023-04-04更新
|
453次组卷
|
2卷引用:湖北省襄阳市老河口市高级中学2022-2023学年高二下学期期中数学试题
名校
解题方法
8 . 已知
,
是椭圆
的左右焦点,离心率为
,直线
过右焦点
.
(1)求椭圆
的方程;
(2)过
的直线交椭圆
于
,
两点,
,
交曲线
于
,
交曲线
于
,记直线
,
的斜率分别为
,
,证明:
为定值.
![](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/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4bdbef22c617288a80b656551e6370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/65368687df4d7e3b9304e85ec4de354c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/a2a3f348a942d468f0d77c0dfbb41d87.png)
您最近一年使用:0次
2023-04-02更新
|
677次组卷
|
2卷引用:江西省景德镇一中2022-2023学年高一(19班)下学期期中考试数学试题.
名校
解题方法
9 . 已知对称轴都在坐标轴上的椭圆C过点
与点
,过点
的直线l与椭圆C交于P,Q两点,直线
,
分别交直线
于E,F两点.
(1)求椭圆C的标准方程;
(2)
是否存在最小值?若存在,求出最小值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21e0e42ae6e67e4b12ccb82f299ed84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
(1)求椭圆C的标准方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d35475555789a8a1a246e600d97a699.png)
您最近一年使用:0次
2023-03-24更新
|
538次组卷
|
4卷引用:四川省内江市威远中学校2022-2023学年高二下学期期中考试数学(文)试题
解题方法
10 . 已知椭圆
,四点
,
,
,
中恰有三点在C上.
(1)求C的方程;
(2)若圆
的切线l与C交于点A,B,证明
为定值,并求出定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5c0c09aa35241a472f08d94909a82b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcdfcac1c0075d5ea3a12632aecf670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c535abcc5765c21dd5975061390484da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651534f1967f00179cf1ecc59a7cae10.png)
(1)求C的方程;
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e6bedb066ee81c299629cccf35f186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b16340e2a6df3b857b3456a903e9c4.png)
您最近一年使用:0次
2023-03-16更新
|
413次组卷
|
3卷引用:高二数学下学期期中模拟试题02(数列、导数、计数原理)-【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选修)
(已下线)高二数学下学期期中模拟试题02(数列、导数、计数原理)-【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选修)湖北省襄阳市部分学校2022-2023学年高二下学期3月联考数学试题四川省南充市嘉陵第一中学2022-2023学年高二下学期第一次月考理科数学试题