解题方法
1 . 已知双曲线
的左、右焦点分别为
,M为右支上一点,
的内切圆圆心为Q,直线
交x轴于点N,
,则双曲线的离心率为( )
![](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/f4fb3d827f2925f44484d1b8c41ceadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2dca049735b45fb9b2533c68605eddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efdd1c971c737e513cc6eda6ab33384.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-05-13更新
|
1830次组卷
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5卷引用:安徽省滁州市凤阳县临淮中学2022届高三下学期5月月考文科数学试题
安徽省滁州市凤阳县临淮中学2022届高三下学期5月月考文科数学试题河北省2022届高三模拟演练(三)数学试题浙江省2022届高三下学期高考冲刺卷(二)数学试题(已下线)重难点13六种双曲线解题方法-2(已下线)专题28 轻松搞定圆锥曲线离心率十九大模型-2
解题方法
2 . 从双曲线
的左焦点
引圆
的切线,切点为T,延长
交双曲线右支于P点,M为线段
的中点,O为坐标原点,若
,则双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29a410aac7c18ed31fdf8dc9be9d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ffda0c209f06e21770aeab0abc8cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c2293f93791a597bf0162411f3395f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196a03e6cdb6f9bce3e0605374f0b8b2.png)
A.![]() | B.![]() | C.2 | D.![]() |
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名校
3 . 已知双曲线
的左、右焦点分别为
,
,过右焦点
的直线
斜率为
,且与双曲线左、右两支分别交于
,
两点,若
的周长为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ab21cf4f8f8ffa5dafd65eeb72c99a.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65aa294f65e74a841db7cdb3b873acf7.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/3377c0c2bcd334a93133cdd37f34ed88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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/d3c07ebcbfacda073208d483c58e8a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ab21cf4f8f8ffa5dafd65eeb72c99a.png)
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2022-05-08更新
|
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2卷引用:安徽省芜湖市2022届高三下学期5月教育教学质量监控理科数学试题
名校
解题方法
4 . 已知
,
是双曲线
的左、右焦点,点P在双曲线的右支上,且
,
,则双曲线C的离心率是( )
![](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/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec92774f30b11b0ef7243f8270bd631b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f9bdc6d9f09e14b037ea7d3ee1f623.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
5 . 从双曲线
的右焦点
引圆
的切线
交双曲线左支于
,
为切点,
为线段
的中点,
为坐标原点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c477e5ade921ffa8377c4719319380ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c2293f93791a597bf0162411f3395f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c2293f93791a597bf0162411f3395f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2848e784ada28e9efe1324570ec6f30c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-04-14更新
|
577次组卷
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4卷引用:安徽省黄山市2022届高三下学期第二次质量检测文科数学试题
安徽省黄山市2022届高三下学期第二次质量检测文科数学试题(已下线)查补易混易错点08 直线与圆、圆锥曲线-【查漏补缺】2022年高考数学(文)三轮冲刺过关四川省绵阳南山中学实验学校2023届高考模拟六(文科)数学试题江西省南昌市新建区第二中学2024届高三7月份学业水平检测数学试题
解题方法
6 . 已知双曲线
的右焦点为
,
为双曲线
右支上一点,
为坐标原点.若
为等边三角形,则双曲线
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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d953266f08eb217f1b174c1729e0ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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7 . 已知双曲线
:
,点
是
的左焦点,若点
为
右支上的动点,设点
到
的一条渐近线的距离为
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c47a8427546e894f92d0fd52a7e3c5.png)
![](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/dad2a36927223bd70f426ba06aea4b45.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d48cf8bdef9a4f28f0e3bab4f52d5a55.png)
A.6 | B.7 | C.8 | D.9 |
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8 . 双曲线
:
的离心率为
,点
是
的下焦点,若点
为
上支上的动点,设点
到
的一条渐近线的距离为
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcc9319272c40e7b54e507032e0a2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/044468f3733869bd186eb663ff0bb371.png)
![](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/dad2a36927223bd70f426ba06aea4b45.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca5b2e30e0897ba211042fe36fbf400.png)
A.6 | B.7 | C.8 | D.9 |
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9 . 设
为椭圆
和双曲线
的一个公共点,且
在第一象限,
是
的左焦点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc3595c339e4d8e786ab5abd8e9d28ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ed4eff533ba2e5778ef9ae86e35100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd05d243091ba3ec8da3d33fc5956e2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-03-29更新
|
1084次组卷
|
3卷引用:安徽师范大学附属中学2022届高三下学期适应性考试文科数学试题
名校
10 . 已知
是双曲线
的左、右焦点,M为双曲线右支上的一点,若以
为直径的圆与
的内切圆的相交弦所在直线方程为
,则
的内切圆的半径为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f1bd3fc737788a0a42bfa4095e8457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f9a699aededce0ad803bf8257fbbcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb66f242954f2e44b6c67d1a55fb6959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f9a699aededce0ad803bf8257fbbcb.png)
A.1 | B.![]() | C.2 | D.3 |
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2022-03-16更新
|
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|
6卷引用:安徽省合肥市第八中学2022届高三下学期最后一卷保温文科数学试题