名校
解题方法
1 . 已知双曲线
的左、右焦点分别为
,过
向圆
作一条切线
与渐近线分别交于点
,当
时,双曲线的离心率是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c659b7149d309280913c6239e03dab07.png)
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2024-03-09更新
|
795次组卷
|
3卷引用:四川省成都市成实外教育集团2024届高三联考数学文科试题(二)
解题方法
2 . 已知双曲线
的右焦点为
,左、右顶点分别为
、
,点
在
上运动(与
、
枃不重合),直线
交直线
于点
,若
恒成立,则
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448eb7d301baa90fe59b05761830f81f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e22d387f0edaf9d895b4bab55ce269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e485e407cb0d11993c86be84ea56f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
解题方法
3 . 已知椭圆
为
的左焦点,
为
上一点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21ff174aaa1c01b6b48aa8001af91fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知双曲线
:
,
,
分别是双曲线的左、右焦点,
是双曲线右支上一点,连接
交双曲线
左支于点
,若
是以
为直角顶点的等腰直角三角形,则双曲线的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5585a42c8f07ad90b94ace9db3d78994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
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2024-03-03更新
|
424次组卷
|
4卷引用:湖南省长沙市湖南师范大学附属中学2023-2024学年高二下学期入学考试数学试题
解题方法
5 . 已知椭圆
的左焦点为
,过点
的直线
与
轴交于点
,与椭圆
交于点
(
在
轴上方). 若
是线段
的中点,则椭圆
的离心率是_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.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/9e07658d5c4dc4af5faa9d8370e3e6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
解题方法
6 . 已知
分别为双曲线
的左、右焦点,过
的直线交
于
,
(点
在点
的上方)两点,且
,则
的离心率可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d6c18e3c538f9660afc8e8e5681831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 已知双曲线
的右焦点为
,过点
作双曲线的一条渐近线的垂线
,垂足为
,若直线
与双曲线
的另一条渐近线交于点
,且
(
为坐标原点),则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541568ce842004f926d50797f8822895.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e6f5d1fb9a6ad72ae10a2e143e01ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-04更新
|
484次组卷
|
4卷引用:湖北省部分省级示范高中2023-2024学年高二上学期期末考试数学试题
名校
8 . 已知
,若存在实数
(
),当
(
)时,满足
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c717019f88281553c6407a917870513a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db09e9844b90e46a6f2f5a710b6a3451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10890ebb2e6e7de85ad3001e327fd1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6032aee742b136f8ea08073426fcb2d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32cf24c351d5a52930cf33d772a819f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4ea4438bf56ab20d12b2d050f298d7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-01-12更新
|
528次组卷
|
5卷引用:陕西省渭南市2023-2024学高三上学期教学质量检测一(一模)文科数学试题
陕西省渭南市2023-2024学高三上学期教学质量检测一(一模)文科数学试题湖南省株洲市第二中学2023-2024学年高三下学期开学考试数学试卷(已下线)【一题多变】函数零点问题(已下线)【一题多变】函数零点问题1(已下线)2024年高考数学二轮复习测试卷(新高考Ⅰ卷专用)
名校
解题方法
9 . 已知O为坐标原点,椭圆C:的左、右焦点分别为
,
,过点
作圆O:
的切线,与C交于M,N两点.设圆O的面积和
的内切圆面积分别为
,
,且
,则C的离心率为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-10更新
|
678次组卷
|
4卷引用:2024届河南省名校学术联盟高考模拟信息卷&押题卷数学(三)
2024届河南省名校学术联盟高考模拟信息卷&押题卷数学(三)湖南省株洲市第二中学2023-2024学年高二下学期入学考试数学试题(已下线)重难点13 圆锥曲线常考经典小题全归类【十二大题型】安徽省安庆市桐城中学2023-2024学年高二下学期开学检测数学试题
2024·全国·模拟预测
名校
解题方法
10 . 已知双曲线C的中心为坐标原点,对称轴为坐标轴,点
在C上,点P与C的上、下焦点连线所在直线的斜率之积为
.
(1)求双曲线C的标准方程;
(2)经过点
的直线
与双曲线C交于E,F两点(异于点P),过点F作平行于x轴的直线
,直线PE与
交于点D,且
求直线AB的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2007972af3341f27fbc32ce62dfce5e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
(1)求双曲线C的标准方程;
(2)经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f12cb70ca55eba4ff012771dbfa9d.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/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fffe4e7a60b93192117607f494d15f.png)
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2024-01-06更新
|
1518次组卷
|
5卷引用:2024年普通高等学校招生全国统一考试数学预测卷(七)
(已下线)2024年普通高等学校招生全国统一考试数学预测卷(七)(已下线)专题12双曲线(3个知识点5个拓展2个突破8种题型5个易错点)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(人教A版2019选修第一册)河南省郑州市郑州外国语学校2024届高三上学期适应性训练数学试题重庆市渝北中学校2023-2024学年高三下学期2月月考数学试题湖南省长沙市明德中学2023-2024学年高二下学期开学考试数学试卷