名校
1 . 已知双曲线
的左、右焦点分别为
,过点
的直线与双曲线
的右支交于
两点,若
,且双曲线
的离心率为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef66f4832adc43902055a7e6d258037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df0be6a014b2bd07e265b4cb1ee1b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231f5e366e03c8f8ff6834228ec5ed2f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-29更新
|
4034次组卷
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6卷引用:湖南省邵阳市邵东市第一中学2023-2024学年高二下学期3月月考数学试题
名校
解题方法
2 . 已知双曲线
的左、右焦点分别为
,点P在C的左支上,
,
的周长为
,则C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8116301c75c39420f4d8326678ffabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fe8586b7946329e275a23dcb6e4807.png)
A.2 | B.![]() | C.![]() | D.![]() |
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2024-02-28更新
|
1646次组卷
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7卷引用:广东省汕头市潮阳区河溪中学2023-2024学年高二下学期第二学月考试数学试题
广东省汕头市潮阳区河溪中学2023-2024学年高二下学期第二学月考试数学试题云南省红河州弥勒市第一中学2023-2024学年高二下学期期中检测数学试题江苏省南通市海安高级中学2024届高三下学期开学考试数学试题江苏省南通市海安市2023-2024学年高三上学期期初学业质量监测数学试题(已下线)专题08 圆锥曲线 第一讲 圆锥曲线的方程与性质(解密讲义)江苏省扬州市高邮市临泽中学2024届高三下学期一模模拟数学试题(已下线)专题4 离心率题 定义方程 【练】
3 . 设
分别为椭圆
与双曲线
的公共焦点,它们在第一象限内交于点M,
,若双曲线
的离心率
,则椭圆
的离心率
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8b4dc131f4f8e1454db8631c247398.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df844c516187f21e0cd8b2caee1cd358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84669b86e9bde4ac7f84ebd1c13cb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4de736151109bf848b7652b92f1c56f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
4 .
的内角
所对的边分别为
,若
,且
.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298f468e768655fee982d80b3f39523c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef78ff9507b5588204d8303a92ee9bce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4d070c5939bb0ec4a9d40d7e3c7d3f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
5 . 设椭圆
的两个焦点是
,过点
的直线与
交于点
,若
,且
,则椭圆
的离心率( )
![](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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093bec291d374725e9e4810847568a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee672ba36a5cc29cb14ea8e9ba58f2de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
6 . 已知椭圆
的左、右焦点分别为
,
,离心率为
,椭圆
的上顶点为M,且
.双曲线
和椭圆
有相同焦点,且双曲线
的离心率为
,P为曲线
与
的一个公共点,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e48d1edbfb6a5a48f9a95551d1dbc2.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/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35b148c043ddff87cc37c8891138187.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://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.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/7285470bf401f5edaac641234ee6ff6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
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名校
解题方法
7 . 已知椭圆
(
)的两焦点分别为
、
.若椭圆上有一点P,使
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0f80097729ffbd359df01f3aacc461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24505cd5c1d84ecb57404c645ea44c11.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/9f64de62c446272d2f206f27af2c3966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
1298次组卷
|
2卷引用:湖北省云学名校联盟2023-2024学年高二上学期期末联考数学试题
解题方法
8 . 已知
是双曲线
的左、右焦点,经过点
的直线与双曲线C的左右两支分别交于A,B两点,若
,则双曲线C的离心率为( )
![](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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8d67ba4ad9b9e9412f201fa31a3bfa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-23更新
|
837次组卷
|
4卷引用:福建省龙岩市2023-2024学年高二上学期期末教学质量检查数学试题
福建省龙岩市2023-2024学年高二上学期期末教学质量检查数学试题(已下线)第二讲:方程与函数思想【练】重庆市缙云教育联盟2024届高三下学期3月月度质量检测数学试题(已下线)模块3 第5套 复盘卷
9 . 已知正方体
的棱长为2,
、
分别是侧面
和
的中心.过点
的平面
与
垂直,则平面
截正方体
所得的截面积S为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0a8cfb3747c454e0698e12857ffae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 如图,
分别为双曲线
的左,右焦点,
在左支上,
在右支上,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,
,则该双曲线的渐近线方程为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/47ebb091-0b2b-4917-b2ed-a951a5c21c33.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.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/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff92b08a5ffacf54db9317714d0300c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/47ebb091-0b2b-4917-b2ed-a951a5c21c33.png?resizew=157)
A.![]() | B.![]() |
C.![]() | D.![]() |
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