19-20高二·浙江·期末
名校
解题方法
1 . 已知
、
是椭圆和双曲线的公共焦点,
是它们的一个公共交点,且
,则椭圆和双曲线的离心率倒数之和的最大值为
![](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/db634c178cd7bffbd4cb886e3f2cca22.png)
A.![]() | B.![]() | C.2 | D.![]() |
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2020-03-05更新
|
2273次组卷
|
8卷引用:湖北省武汉市汉阳一中2021届高三下学期三模数学试题
湖北省武汉市汉阳一中2021届高三下学期三模数学试题河北省衡水中学2021届高三上学期四调数学(理)试题安徽省六安市舒城中学2021届高三下学期仿真模拟(二)理科数学试题(已下线)考点突破13 圆锥曲线的方程-备战2022年高考数学一轮复习培优提升精炼(新高考地区专用)河南省重点高中2021-2022学年高三下学期阶段性调研联考二理科数学试题(已下线)【新东方】新东方高二数学试卷305(已下线)专题04 圆锥曲线(难点)-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)(已下线)期末重难点突破专题02-【尖子生专用】2021-2022学年高二数学考点培优训练(人教A版2019选择性必修第一册)
解题方法
2 . 已知双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
的左、右焦点分别为
,点A是双曲线左支上的一点,直线
与直线
平行,
的周长为8a,则双曲线的离心率为_________________ .
![](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/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c33d752d6b2603ff6281736b920b59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86799d32cc957b84ce6f1fb09d239454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd8065fd9fe33e0b71d5933909f5c0.png)
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3 . 已知双曲线
的左焦点为
,点
为其右支上任意一点,点
的坐标为
,则
周长的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dad0c75ce33673ec4c425896e8619e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ce2f5e22175e3ff8ab5e0afca58f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d3cbfdd47ac056dbdaa681462aa9433.png)
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名校
4 . 已知双曲线
(a>0)的左、右焦点分别为F1,F2,离心率为
,P为双曲线右支上一点,且满足
,则△PF1F2的周长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d79a9d7c59c061259eba07baded4941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b9fa0cc5e7ccb2f093128f4843fdaf.png)
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2020-01-21更新
|
226次组卷
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2卷引用:2020届湖北省荆州中学、宜昌一中等“荆、荆、襄、宜四地七校高三上学期期末考试数学(文)试题
名校
解题方法
5 . 双曲线
的方程
,左右焦点分别为
,
为
右支上的一点,
,以
为圆心,
为半径的圆与
相切,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/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.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/4170cdf9725650e61d4b79daa3a40088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
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2020-05-13更新
|
188次组卷
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3卷引用:湖北省黄冈市2019-2020学年高三上学期9月新起点考试文科数学试题
名校
解题方法
6 . 已知
,
且
,圆
,点
,
是圆
上的动点,线段
的垂直平分线交直线
于点
,点
的轨迹为曲线
.
(1)讨论曲线
的形状,并求其方程;
(2)若
,且
面积的最大值为
,直线
过点
且不垂直于坐标轴,
与曲线
交于
,点
关于
轴的对称点为
.求证:直线
过定点,并求出该定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d9712c3b25f3030e166e136d3a4686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17475d87b70814280de5ecd4a15d20e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa45abe92fbac31148e397b8fb54507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)讨论曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c262fad422f1690b3428a1c68bb6614b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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2020-04-28更新
|
403次组卷
|
4卷引用:2019届湖北省荆州市高三质检(Ⅲ)数学(文)试题
名校
解题方法
7 . 设
,
是双曲线
的两个焦点,
是
上的一点,若
,且
的最小内角的余弦值为
,则双曲线
的离心率为__________ .
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afd750536ef202d554f1f3ebd96cd70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
8 . 已知离心率为2的双曲线C:
(
)的左右焦点分别为
,
,直线
与双曲线C在第一象限的交点为P,
的角平分线与
交于点Q,若
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5076829e649b3f3866d4a7e07a5713e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697c20fca284394bf5d5b9e5f6d952e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da724b06833a269a436448f256c139c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a54279c4529827581bbeaa76c1beb437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aed724e5ad5b9dd94004436d809d5e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2020-02-10更新
|
857次组卷
|
6卷引用:湖北省襄阳四中2019-2020学年高三下学期3月月考数学(文)试题
湖北省襄阳四中2019-2020学年高三下学期3月月考数学(文)试题湖南省益阳市2019-2020学年高二上学期期末数学试题(已下线)专题04 圆锥曲线(难点)-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)四川省南充高级中学2020-2021学年高二下学期期中数学(文)试题苏教版(2019) 选修第一册 一蹴而就 第3章 习题课一(已下线)期末重难点突破专题02-【尖子生专用】2021-2022学年高二数学考点培优训练(人教A版2019选择性必修第一册)
名校
9 . 已知
是双曲线
的右焦点,动点
在双曲线左支上,点
为圆
上一点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6f6290e9017e9d4eb40aebf1cb258e.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/7af7c302c906db574a8e9f3506832ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627842a26be5f2ff91f503a4dded243a.png)
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2019-12-21更新
|
1747次组卷
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11卷引用:2020届湖北名师联盟高三上学期第一次模拟考试数学(理)试题
2020届湖北名师联盟高三上学期第一次模拟考试数学(理)试题安徽省皖南八校2019-2020学年高三上学期第二次联考数学(理)试题(已下线)2020届高三12月第03期(考点08)(理科)-《新题速递·数学》(已下线)秒杀题型10 圆锥曲线中的最值-2020年高考数学试题调研之秒杀圆锥曲线压轴题(已下线)第06讲 双曲线及其性质(十大题型)(讲义)-2安徽省六安市金安区第一中学2019-2020学年高二上学期期末数学(理)试题(已下线)第06章+双曲线与抛物线(A卷基础卷)-2020-2021学年高二数学上学期同步单元AB卷(苏教版,新课改地区专用)黑龙江省双鸭山市第一中学2021-2022学年高二上学期期中数学试题(已下线)第3章 双曲线与抛物线的方程及性质(A卷·夯实基础)-2021-2022学年高二数学同步单元AB卷(苏教版2019选择性必修第一册)【学科网名师堂】(已下线)期中测试卷01(B卷·提升能力)-2021-2022学年高二数学同步单元AB卷(苏教版2019选择性必修第一册)【学科网名师堂】四川省眉山市第一中学2021-2022学年高二上学期期中考试数学(理)试题
10 . 椭圆
与双曲线
焦点相同,
、
分别为左焦点和右焦点,椭圆
与双曲线
在第一象限交点为
,且
,则当这两条曲线的离心率之积为
时,双曲线
的渐近线斜率是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cf6cca367ce2afd96d7d951f9587e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e169933b24e3534ac5ea22a3c53b858e.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102cebe878145cd0e551f4cb72c726ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2019-10-12更新
|
246次组卷
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2卷引用:2019年9月湖北省黄冈市高三质量检测数学(理)试题