解题方法
1 . 已知
是双曲线
上任意一点,
,
是双曲线的左、右顶点,设直线
,
的斜率分别为
,
,若
恒成立,则双曲线离心率的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222b4c3088d36ba0b2f5d8dedbcfc902.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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8c2d0ed3cffe8f28425cccc85e38bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e1a3c351c0a851332383b8e6d6761d.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
解题方法
2 . 已知双曲线E:
的左、右焦点分别为
,
,过
的直线
与E的左支交于A,B两点,M为
的中点,
(O为坐标原点),若M恰好在y轴上,则E的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177ae60ade0b7ac20e7bdc40eaa1ef5a.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/c4a30de57df4e6f60bffe9ac591b24fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f109dcfe322d93b852509e6b791bbc75.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 已知双曲线
:
(
,
)的左、右焦点分别为
,
,过点
且倾斜角为
的直线
与双曲线
的一支交于点
,且
,若
,
,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/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.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/98c91ce8a7d798b8a5fc5af4ef7b6a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b3f71818a7af287e86afcc3d5db92e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e866a1dd0413293b32a686be21da96e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知双曲线
:
的右焦点为
,以
为圆心,
为半径的圆与
的一条渐近线交于
两点,若
(
为坐标原点),则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/0a6936d370d6a238a608ca56f87198de.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/0224ca3e51c0da0960576918535981ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知A为双曲线
的右顶点,
为双曲线右支上一点,点
关于原点
的对称点为
,记直线
,
的倾斜角分别为
,
,且
,则双曲线的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5a0c419d7d64f468fb7c342732a9b1.png)
您最近一年使用:0次
2024-02-28更新
|
131次组卷
|
2卷引用:1号卷·2022年高考最新原创信息试卷(一)理数
解题方法
6 . 已知双曲线
,圆
:
.若双曲线
的一条渐近线过圆
的圆心,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b103566a4645e48ee0671b4eacb1f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f73073dbad1aaf2dd4f2600864b4fe63.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)
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
的左、右焦点分别为
,过点
作直线分别交双曲线左支和一条渐近线于点
(
在同一象限内),且满足
. 联结
,满足
. 若该双曲线的离心率为
,求
的值___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffe6000b292a0ce7d93601d946e44c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/b28b29dbc76e87055e27ea1cf9d34310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b6c9cf65a2e5be27557261e9ceb913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ded4a47543a89c17be98722ed14e71b.png)
您最近一年使用:0次
2023-10-21更新
|
344次组卷
|
7卷引用:湖南省雅礼十六校2022-2023学年高三上学期第一次联考数学试题
湖南省雅礼十六校2022-2023学年高三上学期第一次联考数学试题(已下线)专题5 求离心率运算(提升版)(已下线)专题39 双曲线及其性质-3(已下线)专题9-3 求椭圆双曲线离心率题型归类-3湖北省武汉市第三中学2022-2023学年高二上学期期中模拟数学试题(已下线)模块四 期中重组篇 专题3 期中重组卷(湖北)(已下线)期末考试押题卷二(考试范围:苏教版2019选择性必修第一册)-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第一册)
名校
解题方法
8 . 过双曲线
:
的右焦点
作双曲线一条渐近线的垂线,垂足为
,且与另一条渐近线交于点
,若
,则双曲线
的离心率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/9b449a5e72b61099a5b5eff657cae556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 在平面直角坐标系
中,已知双曲线
左、右顶点为A,B,若该双曲线上存在点P,使得
的斜率之和为1,则该双曲线离心率的范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-03-28更新
|
472次组卷
|
3卷引用:2022年新高考原创密卷数学试题(五)
2022年新高考原创密卷数学试题(五)(已下线)专题19 双曲线离心率定值及取值范围(期末选择题19)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)河北省部分学校2023-2024学年高三上学期七调考试数学试题
名校
解题方法
10 . 已知双曲线
的右焦点
.点F到该双曲线渐近线的距离为
,则双曲线的离心率是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63309dbc3612815f6dbdee23d9a10adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
2023-03-16更新
|
682次组卷
|
6卷引用:陕西省西安市周至县2022届高三下学期一模文科数学试题
陕西省西安市周至县2022届高三下学期一模文科数学试题(已下线)专题27 圆锥曲线的几何性质- 2022届高考数学一模试题分类汇编(新高考卷)江苏省淮安市马坝高级中学2022-2023学年高三上学期9月质量检测数学试题四川省凉山州2023届高三下学期二诊文科数学试题四川省凉山州2023届高三下学期二诊理科数学试题西藏日喀则市2022-2023学年高二下学期期末统一质量检测数学(理)试题