名校
解题方法
1 . 如图,椭圆
与一等轴双曲线相交,
是其中一个交点,并且双曲线的顶点是该椭圆的焦点
,
,双曲线的焦点是椭圆的左、右顶点,设
为该双曲线上异于顶点的任意一点,直线
的斜率分别为
,且直线
和
与椭圆的交点分别为
、
和
、
.
![](https://img.xkw.com/dksih/QBM/2020/5/2/2453958996557824/2454883921526784/STEM/3fee4e963ab54c0d9af2d8192634b024.png?resizew=288)
(1)求椭圆和双曲线的标准方程;
(2)(i)证明:
;
(ii)是否存在常数
,使得
恒成立?若存在,求
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813f9a2814013e2407b5b1c216159359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fd15503ee692f8286b0312f7c6f0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d82387e48eafb286785a21a8d4150f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/2020/5/2/2453958996557824/2454883921526784/STEM/3fee4e963ab54c0d9af2d8192634b024.png?resizew=288)
(1)求椭圆和双曲线的标准方程;
(2)(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b728c0e69820cdcd839e67ffdb1014.png)
(ii)是否存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d3b8ae9cc8aeb8008c91a69e13a2b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
解题方法
2 . 已知若椭圆
:
(
)交
轴于
,
两点,点
是椭圆
上异于
,
的任意一点,直线
,
分别交
轴于点
,
,则
为定值
.
(1)若将双曲线与椭圆类比,试写出类比得到的命题;
(2)判定(1)类比得到命题的真假,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/dad2a36927223bd70f426ba06aea4b45.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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/b8f34bf09e464b2390c09fc5de83464b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfb0bbf86f8da2c412e3b3210aef356.png)
(1)若将双曲线与椭圆类比,试写出类比得到的命题;
(2)判定(1)类比得到命题的真假,请说明理由.
您最近一年使用:0次
2020-04-05更新
|
470次组卷
|
9卷引用:河南省南阳市六校2019-2020学年高二下学期第一次联考数学(理)试题
河南省南阳市六校2019-2020学年高二下学期第一次联考数学(理)试题河南省南阳市六校2019-2020学年高二下学期第一次联考数学(文)试题河南省名校联盟2019-2020学年高二3月联考数学(文)试题河南省名校联盟2019-2020学年高二3月联考数学(理)试题河南省林州市第一中学2019-2020学年高二4月月考数学(文)试题河南省开封市五县联考2019-2020学年高二下学期期中考试数学(文)试题河南省平顶山市第一中学2019-2020学年高二下学期开学考试数学(文)试题苏教版(2019) 选修第一册 必杀技 第三章 3.2.2双曲线的几何性质北师大版(2019) 选修第一册 必杀技 第二章 2.2 双曲线的简单几何性质
名校
3 . 如图,某野生保护区监测中心设置在点
处,正西、正东、正北处有三个监测点
,且
,一名野生动物观察员在保护区遇险,发出求救信号,三个监测点均收到求救信号,
点接收到信号的时间比
点接收到信号的时间早
秒(注:信号每秒传播
千米).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/f0b3ba35-e9d0-4196-899e-8a56e9609054.png?resizew=148)
(1)以
为原点,直线
为
轴建立平面直角坐标系(如题),根据题设条件求观察员所有可能出现的位置的轨迹方程;
(2)若已知
点与
点接收到信号的时间相同,求观察员遇险地点坐标,以及与检测中心
的距离;
(3)若
点监测点信号失灵,现立即以监测点
为圆心进行“圆形”红外扫描,为保证有救援希望,扫描半径
至少是多少公里?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d8c50b4b218d590ec05c01709fcf8d.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/fc7812c2ade7bd61ec9fb160961e3d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c280c5f4ae649c3bb1f720633c886c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/f0b3ba35-e9d0-4196-899e-8a56e9609054.png?resizew=148)
(1)以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若已知
![](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/1dde8112e8eb968fd042418dd632759e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
您最近一年使用:0次
2020-02-29更新
|
593次组卷
|
6卷引用:江苏省南通市如皋市第一中学2020-2021学年高二上学期9月调研数学试题
江苏省南通市如皋市第一中学2020-2021学年高二上学期9月调研数学试题上海市上海交通大学附属中学2019-2020学年高二上学期期末数学试题(已下线)【新教材精创】3.2.1+双曲线及其标准方程-B提高练-人教A版高中数学选择性必修第一册人教B版(2019) 选修第一册 过关检测 第二章 专项把关练(已下线)第三章 圆锥曲线与方程(选拔卷)-【单元测试】2021-2022学年高二数学尖子生选拔卷(苏教版2019选择性必修第一册)(已下线)专题3.9 直线与双曲线的位置关系-重难点题型精讲-2022-2023学年高二数学举一反三系列(人教A版2019选择性必修第一册)
名校
解题方法
4 . 已知
为椭圆
和双曲线
的公共顶点,过原点的直线
分别与椭圆和双曲线在第一象限交于
两点.
(1)若椭圆的离心率为
,求双曲线的渐近线方程;
(2)设
的斜率分别为
,求证:
;
(3)设
分别为椭圆和双曲线的右焦点,若
∥
,试求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62c7c5232af6f5b52e150c86bb1993c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253d66c988026ffcfe1e9a8e89dd2e71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7698c54a2dbc5f604a10305031ae8183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a79c8cda9992ab8a941e9303619de2.png)
(1)若椭圆的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed23936c7f92cd3e8527601b1a779bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7da9e4320057608443f6b60bed46a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9497891d24cbcc0f1b124fcf1ecb94.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275d379f408503602eb1fdd1948a3aec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30a7506331e47342fb1e7d2e12d041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3779b7db9a59ec7067ec46c087d8707e.png)
您最近一年使用:0次
2020-01-15更新
|
644次组卷
|
3卷引用:黑龙江省哈尔滨市第三中学2019-2020学年高二上学期第二模块数学(理)试题
黑龙江省哈尔滨市第三中学2019-2020学年高二上学期第二模块数学(理)试题黑龙江省哈尔滨市南岗区第三中学校2019-2020学年高二上学期期末数学(理)试题(已下线)3.2 双曲线(难点)(课堂培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)
5 . 已知椭圆
和双曲线
,点
,
为椭圆的左,右顶点,点
在双曲线
上,直线
与椭圆
交于点
(不与点
,
重合),设直线
,
,
,
的斜率分别为
,
,
,
.
(1)求证:
;
(2)求证:
的值为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d795dd4ac307d39f44029d9f497c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da3c01f8ddaec91af342ff12585f079.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf434334b09cc0fdd4e86e84e6ceb00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3307e11f7e6896e32aa510bbed949ac6.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf61497efd44d813f42f59142af30b8.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f80f88bf259eab62e63d64281cf2635.png)
您最近一年使用:0次
6 . 如图,椭圆
的左右焦点
、
恰好是等轴双曲线
的左右顶点,且椭圆的离心率为
,
是双曲线
上异于顶点的任意一点,直线
和
与椭圆的交点分别记为
、
和
、
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/858d4332-e756-4e2c-86ab-076e41c32477.png?resizew=240)
(1)求椭圆
的方程;
(2)设直线
、
的斜率分别为
、
,求证:
为定值;
(3)若存在点
满足
,试求
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9125cf40f225e6ec6342ca327597871.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/9e21bbe81b7bab2524b583755646c9d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/858d4332-e756-4e2c-86ab-076e41c32477.png?resizew=240)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e029cc1f7d07eeb136bd3946a7eb23e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32410867843f1a7ef11410da8f3f8dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7c6ce579670c7a9d5a772aa74bbe33.png)
(3)若存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a8efc041ee1c2fd0da5a03830af6b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
您最近一年使用:0次
名校
7 . 已知椭圆
的左、右两个顶点分别为
、
,曲线
是以
、
两点为顶点,焦距为
的双曲线,设点
在第一象限且在曲线
上,直线
与椭圆相交于另一点
.
(1)求曲线
的方程;
(2)设
、
两点的横坐标分别为
、
,求证
为一定值;
(3)设△
与△
(其中
为坐标原点)的面积分别为
与
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46ab26e2d950296e9edb81bb20bdcff.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/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/9b91d650c2fc1a741fabdb333b09aeb6.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/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](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/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b6ab702f8e93cc1e680a7d7af06786.png)
(3)设△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0207ea08fccf73a5559262dd249d786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44cd09d9ad46264de4620c60370d49d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b672a7b69802be243c908b818fa268da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b1ab746f3773e5989f4d18fb3072a9.png)
您最近一年使用:0次
2019-11-09更新
|
1290次组卷
|
8卷引用:上海市金山中学2018-2019学年高二下学期3月月考数学试题
上海市金山中学2018-2019学年高二下学期3月月考数学试题(已下线)上海市金山中学2019-2020学年高二上学期月考数学试题上海市大同中学2020-2021学年高二上学期12月月考数学试题上海市进才中学2018-2019学年高三上学期12月月考数学试题(已下线)第三章 圆锥曲线的方程-2020-2021学年高二数学同步课堂帮帮帮(人教A版2019选择性必修第一册)上海实验学校2022届高三冲刺模拟卷三数学试题(已下线)第11讲 高考难点突破三:圆锥曲线的综合问题(最值、范围问题) (精讲)广西壮族自治区南宁市武鸣区武鸣高级中学2023届高三二模理科数学试题
名校
8 . 过双曲线
的右支上的一点P作一直线l与两渐近线交于A、B两点,其中P是
的中点;
(1)求双曲线的渐近线方程;
(2)当P坐标为
时,求直线l的方程;
(3)求证:
是一个定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565bc68d208cd5e0c90a32851faf3814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)求双曲线的渐近线方程;
(2)当P坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fab6b1b5fead2fa592e93e455d659a.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff24c95fe581befd56c3bcc70e88b726.png)
您最近一年使用:0次
2020-02-04更新
|
421次组卷
|
5卷引用:上海市位育中学2020-2021学年高二下学期3月月考数学试题
上海市位育中学2020-2021学年高二下学期3月月考数学试题2017届上海市奉贤区高考一模数学试题(已下线)专题3.9 直线与双曲线的位置关系-重难点题型精讲-2021-2022学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)专题3.16 圆锥曲线中的定点、定值问题大题专项训练(30道)-2021-2022学年高二数学举一反三系列(人教A版2019选择性必修第一册)沪教版(2020) 选修第一册 同步跟踪练习 第2章 2.3(2)第2课时双曲线性质的应用
名校
9 . 已知
,点
满足
,记点
的轨迹为
.斜率为
的直线
过点
,且与轨迹
相交于
两点.
(1)求轨迹
的方程;
(2)求斜率
的取值范围;
(3)在
轴上是否存在定点
,使得无论直线
绕点
怎样转动,总有
成立?如果存在,求出定点
;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ba951ce58ff7fb59c57e2d349fdc4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57fea2227147641b0ce513d419a02309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求轨迹
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)求斜率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada25f76504c3fd1226da43c94cb4277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2020-01-31更新
|
1001次组卷
|
9卷引用:上海市青浦高级中学2017-2018学年高二上学期12月月考数学试题
上海市青浦高级中学2017-2018学年高二上学期12月月考数学试题上海市控江中学2015-2016学年高二上学期期末数学试题(已下线)专题16 《圆锥曲线与方程》中的定点问题(2)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) 沪教版(2020) 选修第一册 领航者 第2章 2.3双曲线 第3课时 双曲线的性质(2)双曲线的综合问题上海市南洋模范中学2021-2022学年高二下学期期中数学试题上海市同济大学第一附属中学2022-2023学年高二下学期期中数学试题(已下线)期中模拟预测卷02(测试范围:选修一全部内容)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)(已下线)高二下期中真题精选(压轴40题专练)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)
名校
10 . 设双曲线
:
的一个焦点为
,右顶点
到
的两渐近线的距离之积为
.
(1)求双曲线方程;
(2)点
是双曲线上的一个动点,过
的右顶点
引
的两条渐近线的平行线与直线
(
为坐标原点)分别交于
与
两点.若
,
.试探求
是否为定值,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50fe7ad2404879870c9bf18bf03fdf2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/973aa6f1a268dbd02fa5236dc6f58647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
(1)求双曲线方程;
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d797c7544f5298f6e15014211b3740cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795da51476c33977e70164b16bcf00ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adebff9fb726cd58eda1ef994890901.png)
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