1 . 已知双曲线
:
,
为左焦点,
为直线
上一动点,
为线段
与
的交点.定义:
.
(1)若点
的纵坐标为
,求
的值;
(2)设
,点
的纵坐标为
,试将
表示成
的函数并求其定义域;
(3)证明:存在常数
、
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a44342c2ee26a279265225982499b71.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/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2ccedcf46e6250bc3d2b31b37b2658.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b12efb03327f461e868b2ea433f9b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e979bc4fca0ea35bd35a721fbf9df6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b20c1a8bd085d1d4700d778b44f47da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72daa42d22bc47a9585772e5c56b0c54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)证明:存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5db84942211e32e8349cfaae74973da.png)
您最近一年使用:0次
2 . 在直角坐标系
中,已知曲线
的参数方程为
(
为参数),
.以坐标原点为极点,x轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
的普通方程和曲线
的直角坐标方程;
(2)已知点M为曲线
的右焦点,点P在曲线
上,且直线PM与曲线
相切,若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71a744cc3a4a781a7484b0059cd1404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b347bb644a45e137a265d3405be7c6a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知点M为曲线
![](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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0db4a173f00784496af4ac2e518f107f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
3 . 如图所示,在平面直角坐标系
中,点
绕坐标原点
逆时针旋转角
至点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/0f3cb248-ea1c-49b1-864d-55830d1210d1.png?resizew=212)
(1)试证明点的旋转坐标公式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b519e490e2a73e8b6455f2c6647a713.png)
(2)设
,点
绕坐标原点
逆时针旋转角
至点
,点
再绕坐标原点
旋转角
至点
,且直线
的斜率
,求角
的值;
(3)试证明方程
的曲线
是双曲线,并求其焦点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039b02af8364c4714df617a9278eb0fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/0f3cb248-ea1c-49b1-864d-55830d1210d1.png?resizew=212)
(1)试证明点的旋转坐标公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b519e490e2a73e8b6455f2c6647a713.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dd8b1de493e4027839ccdeeac69e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfac6a734705249042747a8367c5b94c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a949c00526fddf435423272cf10f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02f266bd253738e315e84231235f0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(3)试证明方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3329a078a2704772b46cf74278b7397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
4 . 已知双曲线
的焦点是椭圆
:
的顶点,且椭圆与双曲线的离心率互为倒数.
(1)求椭圆
的方程;
(2)设动点
,
在椭圆
上,且
,记直线
在
轴上的截距为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc7ca4890d6de3a9c15af2da204b5ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设动点
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c1186e8522f399235a268dd3362002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-04-28更新
|
3911次组卷
|
11卷引用:2017届广东省广州市高三4月综合测试(二)数学理试卷
2017届广东省广州市高三4月综合测试(二)数学理试卷河北省衡水中学2018届高三数学(理科)三轮复习系列七-出神入化4【校级联考】安徽省定远重点中学2019届高三上学期第三次月考数学(文)试题辽宁省六校协作体2019-2020学年高三上学期开学考试数学(理)试题辽宁省六校协作体2019-2020学年高三上学期开学考试数学(文)试卷陕西省汉中市2019-2020学年高三上学期教学质量第一次检测考试数学(理)试题(已下线)2020届高三12月第01期(考点08)(理科)-《新题速递·数学》青海省西宁市第十四中学2019-2020学年高二上学期期中数学(理)试题(已下线)专题10 解析几何中两类曲线相结合问题(第五篇)-备战2020年高考数学大题精做之解答题题型全覆盖辽宁省朝阳市凌源市第二高级中学2020-2021学年高三上学期期中数学试题北京师范大学珠海分校附属外国语学校2020-2021学年高二上学期期中考试数学试题
5 . 已知椭圆
与双曲线
有共同焦点,且离心率为
.
(1)求椭圆
的标准方程;
(2)设
为椭圆
的下顶点,
为椭圆上异于
的不同两点,且直线
与
的斜率之积为
.
(ⅰ)试问
所在直线是否过定点?若是,求出该定点;若不是,请说明理由;
(ⅱ)若
为椭圆
上异于
的一点,且
,求
的面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0eec60a34f2998bb9518b101042d1ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](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/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/81fb134b2b48acc99213fff6ccfee65f.png)
(ⅰ)试问
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
(ⅱ)若
![](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/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14eddad993eac03da132d07d9df1dc18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23b488f961d9fde37feb7f5c497c0d9.png)
您最近一年使用:0次
6 . 已知曲线
:
,曲线
:
.曲线
的左顶点恰为曲线
的左焦点.
![](https://img.xkw.com/dksih/QBM/2015/7/15/1572182252675072/1572182258581504/STEM/2a9b1e37-94e6-4c4f-a140-338e45f9a385.png?resizew=170)
(Ⅰ)求
的值;
(Ⅱ)设
为曲线
上一点,过点
作直线交曲线
于
两点.直线
交曲线
于
两点.若
为
中点,
求证:直线
的方程为
;
求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ade220833dcafb0c48aabe0d88c28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f9d5c45a20f43a6d7709a23a6ff2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://img.xkw.com/dksih/QBM/2015/7/15/1572182252675072/1572182258581504/STEM/2a9b1e37-94e6-4c4f-a140-338e45f9a385.png?resizew=170)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.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/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d0d8d9e98a198d566c7ef90748eee4.png)
求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2016-12-03更新
|
1615次组卷
|
2卷引用:2015届辽宁省沈阳市东北育才学校高三第八次模拟理科数学试卷