1 . 已知
中,
,则过点
且以
为两焦点的双曲线的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f60bf54181eaafbd1990f2e16263863a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
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名校
2 . 已知双曲线
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
的左右焦点分别为
,
,
为双曲线
上一点,
为双曲线C渐近线上一点,
,
均位于第一象限,且
,
,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/f311053d11884b1a21d5f9b5724996c6.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/042fb28b0264e1e33db67ef407de06ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d32da0de63c90f48c3fc2ed24eba9f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-03-07更新
|
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名校
3 . 设
为双曲线
(
,
)的右焦点,过
且斜率为
的直线
与双曲线
的两条渐近线分别交于
,
两点,且
,则双曲线
的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.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/d3d9634602dc817b1f24e818af2313d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2018-02-23更新
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8卷引用:湖南省长沙市第一中学2018届高三下学期高考模拟卷(三)数学(理)试题
湖南省长沙市第一中学2018届高三下学期高考模拟卷(三)数学(理)试题福建省漳州市2018届高三1月调研测试数学理试题福建省漳州市2018届高三上学期期末调研测试数学(理)试题甘肃省兰炼一中2018届高三下学期第二次模拟理科数学试题广西南宁市第三中学2017-2018学年高二下学期期中考试数学(理)试题江苏省2021届高三新高考高考模拟样卷数学试题(已下线)专题5.2 解析几何与平面向量相结合问题-玩转压轴题,进军满分之2021高考数学选择题填空题(已下线)专题9-3 求椭圆双曲线离心率题型归类-1
2010·北京东城·二模
名校
4 . 已知抛物线
(
)与双曲线
(
,
)有相同的焦点
,点
是两条曲线的一个交点,且
轴,则该双曲线经过一、三象限的渐近线的倾斜角所在的区间是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/642bade9e30b7a60c2b3b7d48d87d4f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47968de4a67d1083d36c173b3d3c2ba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42dc9b1c1d859072331826a5885137b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae018fde08edf0539089f98c17e11ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19bce4c604450307f40dcbd6a9ca6c9.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/2862d4f66142d7e0ad8924ac656602ff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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12卷引用:2015届湖南省长沙市雅礼中学高三4月月考理科数学试卷
2015届湖南省长沙市雅礼中学高三4月月考理科数学试卷湖南省长沙市雅礼中学2022届高三下学期月考(六)数学试题(已下线)2010年北京市东城区高三第二次模拟考试数学(理)(已下线)2010年黑龙江省大庆实验中学高二上学期期中考试数学理卷(已下线)2011届江西省八所重点中学高三联合模拟考试数学理卷(已下线)2013-2014学年山西太原第五中学高二12月月考理科数学试卷【全国市级联考】广东省湛江市2018届高三下学期第二次模拟考试数学(文)试题【全国百强校】宁夏银川市唐徕回民中学2018届高三下学期第四次模拟考数学(理)试题上海市大同中学2018-2019学年高三上学期9月开学考试数学试题宁夏石嘴山市第三中学2019-2020学年高二上学期期末考试数学(理)试题2016届上海市青浦区高三上学期期终学习质量调研测试数学试题(已下线)上海市华二附中2020届高三下学期4月月考数学试题
名校
5 . 已知点
为双曲线
右支上一点,
分别为双曲线的左右焦点,点
为
的内心(三角形内切圆的圆心),若恒有
成立,则双曲线的离心率取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](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/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42660cf98c653f12ebd2e960458f7441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2130f3637f9b989a06cca7693acea56e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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6 . 已知直线
与双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
交于
,
两点,且
中点
的横坐标为
,过
且与直线
垂直的直线
过双曲线
的右焦点,则双曲线的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26d3f9d8344e1c727fbbed5421daaa2.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 过双曲线
=" 1" (a > 0,b > 0)的一个焦点F向其一条渐近线作垂线
, 垂足为A,
与
另一条渐近线交于B点, 若
, 则双曲线的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a626eed1d14c35d285b1b97a21ced33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
另一条渐近线交于B点, 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc81ab05c3c8889f1460d33e0baa63e6.png)
A.2 | B.![]() | C.![]() | D.![]() |
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8 . 如图,已知双曲线
上有一点
,它关于原点的对称点为
,点
为双曲线的右焦点,且满足
,设
,且
,则该双曲线离心率
的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c507610f462120218e2cd1894c957eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01dd3ddb7bbf69309d4647c3cdbfb8b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81c4e3c13df76d70794abd63dfd938bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://img.xkw.com/dksih/QBM/2016/9/25/1573039501918208/1573039507955712/STEM/2c0f415ccf9a411c8cd529da7d7782a3.png?resizew=124)
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2016-12-04更新
|
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9 . 已知
分别是双曲线
的左、右焦点,点
在双曲线右支上,且
为坐标原点),若
,则该双曲线的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32f45a5cb16542e7553f2d9aeabdb23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29cd59c4590c597bb7d3b225497b4188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d95f328d97f5db17baf356bc54a509.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知双曲线
的离心率
,过点
,
的直线到原点的距离是
.
(1)求双曲线
的方程;
(2)已知直线
交双曲线于不同的点
,且
都在以
为圆心的圆上,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6eaad01d65c48cbbc420c5fd674b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b7f351578f6fcb9cc91f2d0c9c1840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3160fc73f2a90ae4a1a97351ab2673b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd4113026764680b55207a20b4835e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b769534f7ba5ce44e310402614a7619d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85dc18a16a5e136f2f2022d3cbed6776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85dc18a16a5e136f2f2022d3cbed6776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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3卷引用:2015-2016学年湖南省衡阳市八中高二上期中理科数学试卷
2015-2016学年湖南省衡阳市八中高二上期中理科数学试卷北师大版(2019) 选修第一册 突围者 第二章 第四节 直线与圆锥曲线的位置关系(已下线)热点13 圆锥曲线解题方法技巧-2022年高考数学核心热点突破(全国通用版)【学科网名师堂】