名校
1 . 已知椭圆
与双曲线
的焦距之比为
.
(1)求椭圆
和双曲线
的离心率;
(2)设双曲线
的右焦点为F,过F作
轴交双曲线
于点P(P在第一象限),A,B分别为椭圆
的左、右顶点,
与椭圆
交于另一点Q,O为坐标原点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd486b8796b3454eab219c28ed131683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e8ecb41c1e7e0cea771f75ccf1b6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb7c47e3b286437d8e6ee8b7ec4f003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932b5ed149ea885cfd5353ff2e6ceac2.png)
您最近一年使用:0次
2024-01-25更新
|
959次组卷
|
8卷引用:广西贵港市2023-2024学年高二上学期期末考试数学试卷
名校
2 . 已知椭圆
:
,过点
和点
.
(1)求
的方程;
(2)若圆
的切线
与
交于点
,
,证明:
.
![](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/6fe12fb284fc8e2502c9043be594c852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8da36e3081bfe5d32c9ec70be4da3da.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e6bedb066ee81c299629cccf35f186.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/3825ccc273ef9a672a606432d165b866.png)
您最近一年使用:0次
解题方法
3 . 已知椭圆
的中心为坐标原点,焦点
在
轴上,短轴长等于2,离心率为
,过焦
作
轴的垂线交椭圆
于
两点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
A.椭圆![]() ![]() | B.椭圆![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-01-15更新
|
681次组卷
|
3卷引用:广西桂林市荔浦县荔城中学2022-2023学年高二上学期期末考试数学试题
广西桂林市荔浦县荔城中学2022-2023学年高二上学期期末考试数学试题广东省广州市2022-2023学年高二上学期期末数学试题(已下线)模块四 专题5 重组综合练(广东)期末终极研习室(高二人教A版)
名校
解题方法
4 . 设椭圆
的右顶点为A,上顶点为B.已知椭圆的离心率为
,
.
(1)求椭圆的方程;
(2)设直线l:
与椭圆交于P,Q两点,l与直线AB交于点M,且点P,M均在第四象限.若
,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe2c533dbc23a34518f72f3cb14f330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704b2a2a5f99225329f7d950d5825f53.png)
(1)求椭圆的方程;
(2)设直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2761aa85c2256bb59665e1d3242dcde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7970dccde65609fdfef617402f9a35e.png)
您最近一年使用:0次
2022-12-15更新
|
1212次组卷
|
6卷引用:广西壮族自治区梧州市苍梧中学2022-2023学年高二上学期期末数学试题
名校
解题方法
5 . 若椭圆
的两个焦点坐标分别是
,并且经过点
,过
作
轴的垂线与椭圆相交于
两点.
(1)求椭圆
的标准方程;
(2)求三角形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5439f5ff9bd5deec0f0ef35c6f605b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e4087773114157bc95c91dff2bf60.png)
您最近一年使用:0次
2022-12-14更新
|
511次组卷
|
3卷引用:广西柳州市鹿寨县鹿鸣中学2022-2023学年高二上学期期末考试模拟(一)卷数学试题
名校
解题方法
6 . 已知椭圆
的焦距为
,短轴长为2,直线
过点
且与椭圆C交于A、B两点.
(1)求椭圆C的方程;
(2)若直线
的斜率为1,求三角形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/968bc863acdb4f2b0cba33157363e711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63348e973b45db1a742f3ec12b3ca81b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dacabbd6406acbb4afb048e9cfa1bcf7.png)
(1)求椭圆C的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
您最近一年使用:0次
2022-10-21更新
|
911次组卷
|
4卷引用:广西平果市铝城中学2023-2024学年高二上学期期末模拟数学试题(二)
名校
解题方法
7 . 如图,已知椭圆
,双曲线
,若以椭圆
的长轴为直径的圆与双曲线
的一条渐近线交于A,B两点,且椭圆
与该渐近线的两交点将线段AB三等分,则双曲线
的离心率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/1122fbce-7a6c-4b62-8543-bdbbbe1d5889.png?resizew=190)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c0e2dea2f22992b0f4e8400b13af18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64acf2cf103416ef9fdfbd01933f39c.png)
![](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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/1122fbce-7a6c-4b62-8543-bdbbbe1d5889.png?resizew=190)
A.9 | B.5 | C.![]() | D.3 |
您最近一年使用:0次
2022-02-13更新
|
361次组卷
|
2卷引用:广西容县高级中学2021-2022学年高二下学期开学考试数学(理)试题
2020高三·全国·专题练习
名校
解题方法
8 . 已知
是椭圆
的左焦点,
是椭圆上一点,
轴,
(
为原点,
为右顶点,
为上顶点),则该椭圆的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b1da9046b4cb82135a4a1eaa528c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca17d8a79ebaf59564aff7351e67cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2022-02-13更新
|
556次组卷
|
8卷引用:广西浦北中学2021-2022学年高二上学期期中考试数学(理)试题
广西浦北中学2021-2022学年高二上学期期中考试数学(理)试题广西浦北中学2021-2022学年高二上学期期中考试数学(文)试题(已下线)第3章 圆锥曲线的方程-2021-2022学年高二数学课后培优练(人教A版2019选择性必修第一册)辽宁省辽西联合校2023-2024学年高二上学期期中考试数学试题(已下线)专题52 平面解析几何专题训练-2021年高考一轮数学(文)单元复习一遍过(已下线)专题55 平面解析几何专题训练-2021年高考一轮数学单元复习一遍过(新高考地区专用)(已下线)专题55 平面解析几何专题训练-2021年高考一轮数学(理)单元复习一遍过辽宁省沈阳市第二十中学2021-2022学年高三上学期期末数学试题
2021·全国·模拟预测
名校
解题方法
9 . 已知
为椭圆
:
的左焦点,直线
:
与椭圆
交于
,
两点,
轴,垂足为
,
与椭圆
的另一个交点为
,则( )
![](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/d80b861ba40387cb2bcd04945f5a371a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f7786161115996cb0eef76c669e839.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/8178c63d125ee6235feeb2fc70d02745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() ![]() |
C.直线![]() ![]() | D.![]() |
您最近一年使用:0次
2021-05-19更新
|
5193次组卷
|
18卷引用:广西桂林市2021-2022学年高二11月月考数学试题
广西桂林市2021-2022学年高二11月月考数学试题(已下线)试卷08(第1章-3.1椭圆)-2021-2022学年高二数学易错题、精典题滚动训练(苏教版2019选择性必修第一册)(已下线)3.1.2 椭圆的简单几何性质-2021-2022学年高二数学同步速效提升练(人教A版2019选择性必修第一册)【学科网名师堂】(已下线)3.1椭圆(B 能力培优练)-2021-2022学年高二数学同步双培优检测(苏教版2019选择性必修第一册)江苏省宿迁市沭阳县2021-2022学年高二上学期期中数学试题(已下线)专题3.2 圆锥曲线与方程 章末检测2(中)-【满分计划】2021-2022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)(已下线)3.1 椭圆的几何性质-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) 江苏省苏州市星海实验中学2021-2022学年高二上学期12月学情调研数学试题福建省福州市协作体四校2021-2022学年高二上学期期中联考数学试题(已下线)专题7.2 期末押题检测卷(考试范围:选择性必修第一册)2(中)-【满分计划】2021-2022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)黑龙江省佳木斯市第一中学2022-2023学年高二上学期期末数学试题(已下线)综合检测(能力篇)-2022-2023学年高二数学同步知识梳理+考点精讲精练(人教B版2019选择性必修第一册)江苏省盐城市伍佑中学2022-2023学年高二上学期12月月考数学试题重庆市第八中学校2023-2024学年高二上学期定时检测(四)数学试题(已下线)第3章 圆锥曲线的方程单元测试能力卷-2023-2024学年高二上学期数学人教A版(2019)选择性必修第一册(已下线)2021新高考高考最后一卷数学第四模拟福建省福州格致中学2022届高三10月月考数学试题(已下线)专题23 圆锥曲线中的最值、范围问题 微点3 圆锥曲线中的最值、范围问题综合训练
解题方法
10 . 已知椭圆
:
的右焦点为
,过点
且垂直于
轴的直线被椭圆
截得的线段长为2,圆
经过椭圆
短轴顶点和两个焦点.
(1)求椭圆
的标准方程;
(2)过点
作斜率为
的直线
交椭圆
于
、
两点,点
、
满足:
.试问,是否存在点
,使得
、
、
、
四点到点
的距离均相等?若存在,求点
的坐标;若不存在,请说明理由.
![](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/a0ed1ec316bc54c37c4286c208f55667.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b572cbfe5491fabd42a5fdd4038a50.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/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/73465a1f9aa03481295bf6bd3c6903ac.png)
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2021-05-07更新
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379次组卷
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3卷引用:广西钦州市2022-2023学年高二下学期期中考试数学试题