1 . 已知椭圆
的离心率
,且经过点
.
(1)求椭圆E的方程;
(2)设直线
与椭圆E交于A,B两点,且椭圆E上存在点M,使得四边形
为平行四边形.试探究:四边形OAMB的面积是否为定值?若是定值,求出四边形
的面积;若不是定值,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783750d7a4e8dfd0250ad59304c31491.png)
(1)求椭圆E的方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6c989fd224866658230526892e2bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6c989fd224866658230526892e2bcb.png)
您最近一年使用:0次
2023-09-06更新
|
807次组卷
|
4卷引用:湖北省新高考联考协作体2023-2024学年高三上学期9月起点考试数学试题
湖北省新高考联考协作体2023-2024学年高三上学期9月起点考试数学试题(已下线)重难专攻(九)?圆锥曲线中的定值问题(B素养提升卷)吉林省延边第二中学2023-2024学年高二上学期第二次阶段检测数学试卷(已下线)重难点突破07 圆锥曲线三角形面积与四边形面积题型全归类(七大题型)
名校
解题方法
2 . 已知椭圆
过点
,点A为下顶点,且AM的斜率为
.
(1)求椭圆E的方程;
(2)如图,过点
作一条与y轴不重合的直线,该直线交椭圆E于C、D两点,直线AD,AC分别交x轴于H,G两点,O为坐标原点.证明:
为定值,并求出该定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4b7a89314265c2c84dfacc2d65436b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/19/c3322f2a-d836-4997-b55a-305053d5060b.png?resizew=170)
(1)求椭圆E的方程;
(2)如图,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d429efe96d68065e7d433c996682791d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb69d065b4d9e72fd87efe936fb8211.png)
您最近一年使用:0次
2023-07-14更新
|
758次组卷
|
5卷引用:湖北省孝感市2023-2024学年高二上学期11月期中考试数学试题
名校
3 . 已知椭圆
的左顶点为
,椭圆
的中心
关于直线
的对称点落在直线
上,且椭圆
过点
.
(1)求椭圆
的方程;
(2)
为椭圆
上两个动点,且直线
与
的斜率之积为
为垂足,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/b683c0866e725bd30dd41c31149635cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521e8a2fa5514c407d97b8c292cc406a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d087950220bd338e9d9a34518644d2ff.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6d05690c23479062097536bd7170b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a4e603a1feb6ccb810601951fd6d1c.png)
您最近一年使用:0次
名校
解题方法
4 . 已知椭圆
(
),四点
,
,
,
中恰有三点在椭圆C上.
(1)求椭圆C的方程;
(2)椭圆C上是否存在异于
的两点M,N使得直线
与
的斜率之和与直线MN的斜率(不为零)的2倍互为相反数?若存在,请判断直线MN是否过定点;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06019196b5e44bafa7a57497a36ca05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508216047373cee710a5060119c58b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de94c50a6990bf4c37d2917780db6325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de64041e03253c90403779bf2034eb92.png)
(1)求椭圆C的方程;
(2)椭圆C上是否存在异于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf2aead7bd3f44ccc270d58575412a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b37ed7fcfb4a4fbb6d15d3a9c1e3a9.png)
您最近一年使用:0次
名校
解题方法
5 . 已知椭圆
的方程为
,
在椭圆上,离心率
,左、右焦点分别为
、
.
(1)求椭圆
的方程;
(2)若直线
与椭圆
交于
,
两点,连接
,
并延长交椭圆
于
、
两点,连接
,试探索直线
与直线
的斜率之比是否为定值,并说明理由.
![](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/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082990da1f11a1a7be4fc3935c0d526e.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/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbad65b3d744b70da2480eee1cdb587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
您最近一年使用:0次
2023-05-20更新
|
376次组卷
|
2卷引用:湖北省孝感、荆州部分中学2022-2023年高三下学期5月联考数学试题
解题方法
6 . 已知椭圆
过点
,左焦点为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/19/88986652-d5cc-461c-9ff7-28e38c89be79.png?resizew=169)
(1)求椭圆C的方程;
(2)设直线
与椭圆C交于A,B两点,点M为椭圆C外一点,直线
,
分别与椭圆C交于点C,D(异于点A,B),直线
,
交于点N,求证:直线
的斜率为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/19/88986652-d5cc-461c-9ff7-28e38c89be79.png?resizew=169)
(1)求椭圆C的方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87609b100b8d39b52e25ef1bee9b772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
名校
解题方法
7 . 已知离心率为
的椭圆
经过点A(2,1).
(1)求椭圆C的方程.
(2)不经过点A且斜率为
的直线
与椭圆C相交于P ,Q两点,若直线AP与直线AQ的斜率之积为
,试问
是否为定值?若是,求出该定值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
(1)求椭圆C的方程.
(2)不经过点A且斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-05-08更新
|
1238次组卷
|
12卷引用:湖北省孝感市部分学校2022-2023学年高二下学期5月联考数学试题
湖北省孝感市部分学校2022-2023学年高二下学期5月联考数学试题陕西省商洛市2023届高三三模理科数学试题陕西省商洛市2023届高三三模文科数学试题河南省洛阳市创新发展联盟2022-2023学年高二下学期5月月考数学试题辽宁省朝阳市凌源市2022-2023学年高二下学期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6月月考理科数学试题广东省湛江市第二中学2022-2023学年高二下学期第二次月考数学试题云南省曲靖市富源县2022-2023学年高二下学期5月月考数学试题湖南省部分校2022-2023学年高二下学期5月月考数学试题江西省万安中学2022-2023学年高二下学期期中数学试题云南省曲靖市麒麟区曲靖二中云师中学2023-2024学年高二上学期期中数学试题(已下线)专题15 圆锥曲线综合
名校
解题方法
8 . 已知椭圆
经过点
,过原点的直线与椭圆交于
,
两点,点
在椭圆上(异于
,
),且
.
(1)求椭圆的标准方程;
(2)若点
为直线
上的动点,过点
作椭圆的两条切线,切点分别为
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af292f60c635d2bb4c38379c6bd04ac5.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/895dc3dc3a6606ff487a4c4863e18509.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/daa7a1a4ff471aac32bf53e95ff9de9a.png)
(1)求椭圆的标准方程;
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51661406851152e02b52989910cbd27.png)
您最近一年使用:0次
2023-05-05更新
|
1928次组卷
|
6卷引用:湖北省黄冈市浠水县第一中学2023届高三下学期5月三模数学试题
湖北省黄冈市浠水县第一中学2023届高三下学期5月三模数学试题河北省名校2023届高三5月模拟数学试题2023 年河北省普通高中预测卷数学试题江西省贵溪市实验中学2024届高三上学期11月第二次模拟检测数学试题(已下线)重难点突破13 切线与切点弦问题 (五大题型)(已下线)第五篇 向量与几何 专题4 极点与极线 微点1 圆锥曲线之极点与极线(一)
解题方法
9 . 已知在平面直角坐标系
中,椭圆
的中心在坐标原点,焦点在
轴上,焦距等于
,且经过点
.
(1)求椭圆
的标准方程;
(2)记椭圆
的左、右顶点分别为
,
,点
是椭圆
上位于
轴上方的动点,直线
,
与直线
分别相交于
,
两点,求线段
的长度的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a7a78a0cb55d2396f7213432a86b86.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(2)记椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.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/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/ccfd9353adb70d7811b938f6b3aa377e.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/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2023-04-15更新
|
364次组卷
|
2卷引用:湖北省孝感市2022-2023学年高二下学期期中联考数学试题
名校
解题方法
10 . 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
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453次组卷
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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