名校
解题方法
1 . 某广场的一个椭球水景雕塑如图所示,其横截面为圆,过横截面圆心的纵截面为椭圆,该椭圆的离心率为
.若该椭球横截面的最大直径为1.8米,则该椭球的高为( )
![](https://img.xkw.com/dksih/QBM/2023/11/8/3363455266226176/3364032497270784/STEM/ea6b4d2760e641eeb895500b06c10249.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://img.xkw.com/dksih/QBM/2023/11/8/3363455266226176/3364032497270784/STEM/ea6b4d2760e641eeb895500b06c10249.png?resizew=189)
A.3.2米 | B.3.4米 | C.4米 | D.3.6米 |
您最近一年使用:0次
2023-11-09更新
|
593次组卷
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10卷引用:江西省丰城中学2023-2024学年高一上学期12月月考数学试题
江西省丰城中学2023-2024学年高一上学期12月月考数学试题江西省鹰潭市贵溪一中2023-2024学年高二上学期第二次月考数学试题河南省新乡市2023-2024学年高二上学期期中数学试题河南省部分名校2023-2024学年高二上学期期中数学试题河北省沧衡八校联盟2023-2024学年高二上学期11月期中数学试题河北省邯郸市六校联盟2023-2024学年高二上学期期中数学试题湖北省部分县市重点中学温德克英名校联盟2023-2024学年高二上学期11月期中综合性质量监测数学试卷(已下线)第十一章 数学建模综合测试A(基础卷)(高三一轮)河南省郑州市钱学森实验学校2023-2024学年高二上学期期中数学试题四川省眉山市仁寿第一中学校南校区2023-2024学年高二上学期12月阶段性模拟测试数学试题
名校
解题方法
2 . 已知椭圆
的离心率为
,长轴的左端点为
.
(1)求C的方程;
(2)过椭圆C的右焦点的任一直线l与椭圆C分别相交于M,N两点,且AM,AN与直线
,分别相交于D,E两点,求证:以DE为直径的圆恒过x轴上定点,并求出定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
(1)求C的方程;
(2)过椭圆C的右焦点的任一直线l与椭圆C分别相交于M,N两点,且AM,AN与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
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2023-04-06更新
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1337次组卷
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6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.
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.北京市门头沟区2023届高三综合练习(一)数学试题专题10平面解析几何(非选择题部分)北京卷专题23平面解析几何(解答题部分)北京市第八中学2023-2024学年高三下学期零模练习数学试题(已下线)湖北省“荆、荆、襄、宜四地七校”考试联盟2023-2024学年高二下学期期中联考数学试卷变式题16-19
3 . 已知椭圆
过点
,且离心率为
.
(1)求椭圆
的标准方程;
(2)过
作斜率之积为1的两条直线
与
,设
交
于
,
两点,
交
于
,
两点,
,
的中点分别为
,
.试问:直线
是否恒过定点?若是,请求出
与
的面积之比;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8da36e3081bfe5d32c9ec70be4da3da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077855b1492bf35aac52f358e5e093ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6bf66a5f30d94390f59c6a3d1ae6c46.png)
您最近一年使用:0次
2023-04-05更新
|
396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
4 . 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
5 . 已知椭圆
的上顶点到右顶点的距离为
,离心率为
,过椭圆左焦点
作不与x轴重合的直线与椭圆C相交于M,N两点,直线m的方程为:
,过点M作ME垂直于直线m交直线m于点E.
(1)求椭圆C的标准方程;
(2)点O为坐标原点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a97b5cfcd3c628e15b27b01f3971330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef3e9eae234484d478860cec89e8394.png)
(1)求椭圆C的标准方程;
(2)点O为坐标原点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a83d0d452e19da041557be582da66965.png)
您最近一年使用:0次
2022-06-06更新
|
676次组卷
|
3卷引用:江西省丰城中学2023-2024学年高一上学期12月月考数学试题
名校
解题方法
6 . 设椭圆
的左右焦点分别为
是该椭圆C的右顶点和上顶点,且
,若该椭圆的离心率为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03e526bee86a144d8e6b648b0314233.png)
(1)求椭圆C的标准方程;
(2)直线l与椭圆C交于
两点,且与x轴交于点
若直线
与直线
的倾斜角互补,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae13b2a96f91ab64fb4948de2b0ae10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3246fceeda2581b5093d77f9daa81ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bdc3272bcfe1214b7d041718187860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03e526bee86a144d8e6b648b0314233.png)
(1)求椭圆C的标准方程;
(2)直线l与椭圆C交于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3015eea1309a7cea34438008d082233d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b3bc650f38bb543619aec19da94b0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b55f4ca2d21088854e1aeb040fa950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15cce1078f3aa0a452fb89f30ab38c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cd0a769f2f0a7ee797424fb6906aaf4.png)
您最近一年使用:0次
2022-05-28更新
|
1823次组卷
|
7卷引用:江西省宜春市丰城市第九中学2023-2024学年高一上学期期末数学试题
名校
解题方法
7 . 已知椭圆
)的右焦点为
,离心率为
,经过
且垂直于
轴的直线交椭圆于第一象限的点
,
为坐标原点,且
.
(1)求椭圆
的方程;
(2)设不经过原点
且斜率为
的直线交椭圆于
两点,
关于原点
对称的点分别是
,试判断四边形
的面积有没有最大值,若有,请求出最大值;若没有,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e079c1a09c582be4a5225ef48b98a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef66c131543780acc9cac60e06d56b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83eb051f1d2b32c0130928f4747d8431.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)设不经过原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2021-05-17更新
|
919次组卷
|
9卷引用:江西省丰城中学2022-2023学年高一下学期期中数学试题
名校
8 . 已知椭圆
的离心率为
,且椭圆
的长轴长与焦距之和为6,则椭圆
的标准方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf71f7861e2bd2e2e18d475ee7ff2419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-12-14更新
|
1627次组卷
|
9卷引用:江西省宜春市高安中学2019-2020学年高一下学期期中考试数学(理)(A)试题
江西省宜春市高安中学2019-2020学年高一下学期期中考试数学(理)(A)试题江西省南昌市东湖区第二中学2019-2020学年高二上学期期末数学(文)试题河北省衡水中学2019届高三第一次摸底考试数学(文)试题2019届宁夏平罗中学高三上学期期末数学(文)试题2020届山西省大同市第一中学高三2月模拟(一)数学(理)试题四川省成都市电子科技大学实验中学2018-2019学年高二上学期期中理科数学试题(已下线)3.1.1 椭圆(第一课时)(精练)-2020-2021学年一隅三反系列之高二数学新教材选择性必修第一册(人教A版)(已下线)3.1 椭圆-2021-2022学年高二数学同步教与学全指导(学习导航+教学过程+课时训练)(人教A版2019选择性必修第一册)苏教版(2019) 选修第一册 选填专练 第3章 限时小练15 椭圆的几何性质(1)