1 . 在平面直角坐标系中,一动圆经过点
且与直线
相切,设该动圆圆心的轨迹为曲线K,P是曲线K上一点.
(1)求曲线K的方程;
(2)过点A且斜率为k的直线l与曲线K交于B、C两点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96968cc368104c626e7cdf658e361c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b758bc25ee77948545d492a66acf30.png)
(3)若点D、E在y轴上,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cff7399ecc698e2fb415147c96d0d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e383fcc122f267043fbafe0972bfb900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cff7399ecc698e2fb415147c96d0d03.png)
您最近一年使用:0次
2023-08-16更新
|
1731次组卷
|
9卷引用:上海市徐汇区2022届高三上学期一模数学试题
上海市徐汇区2022届高三上学期一模数学试题山东省日照市校际联合考试2021-2022学年高三上学期期末数学试题(已下线)专题10.9—圆锥曲线—抛物线大题(面积最值问题)—2022届高三数学一轮复习精讲精练(已下线)第2章 圆锥曲线(基础、常考、易错、压轴)分类专项训练(2)(已下线)上海高二下学期期末真题精选(压轴60题35个考点专练)-【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)上海市松江二中2024届高三上学期阶段测试1数学试题上海市杨浦区复旦大学附属中学2024届高三下学期3月月考数学试题(已下线)3.3.2 抛物线的简单的几何性质(AB分层训练)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)(已下线)广东省深圳市深圳中学2024届高三下学期二轮一阶测试数学试题
解题方法
2 . 如图,在正方体
中,点
为线段
的中点.设点
在线段
上,直线
与平面
所成的角为
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-03更新
|
1467次组卷
|
6卷引用:上海市上南中学2021-2022学年高二上学期期末数学试题
上海市上南中学2021-2022学年高二上学期期末数学试题(已下线)第3章 空间向量及其应用(基础、常考、易错、压轴)分类专项训练(原卷版)(已下线)专题07 空间向量与立体几何(九大题型+优选提升题)-【好题汇编】备战2023-2024学年高二数学下学期期末真题分类汇编(沪教版2020选择性必修,上海专用)(已下线)第6章:空间向量与立体几何 章末检测试卷-【题型分类归纳】2022-2023学年高二数学同步讲与练(苏教版2019选择性必修第二册)(已下线)第七章 立体几何与空间向量 第六节 利用空间向量求空间角与距离(B素养提升卷)福建省泉州市泉州科技中学2023-2024学年高二上学期第一次限时训练数学试题
名校
解题方法
3 . 已知函数
,正数数列
满足
且
,若不等式
恒成立,则实数
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7630110d5583d6f49a4c7fb2e597db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8395114f10097a610fd53175e5b16f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc388ca954a8b9fd8075ce3fa943f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1277cf9f9a1a8fdc7c20ca3c23853bde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-12-02更新
|
811次组卷
|
3卷引用:上海市大同中学2021-2022学年高二下学期期末数学试题
名校
解题方法
4 . 已知椭圆
的左、右焦点分别为
、
,设P是第一象限内椭圆Γ上一点,
、
的延长线分别交椭圆Γ于点
、
,直线
与
交于点R.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/07acc994-17e5-40c6-a2ae-e24ec879f94f.png?resizew=169)
(1)求
的周长;
(2)当
垂直于x轴时,求直线
的方程;
(3)记
与
的面积分别为
、
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6de03e2b3bef75237eb998d6e11d3.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/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02adfa16c275344856401c6f63f3c6ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61228c72df45a3809cb6729f8227721b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/07acc994-17e5-40c6-a2ae-e24ec879f94f.png?resizew=169)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390377acc372fa154c8df9db15a798d4.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c81d490c018a166d9970b1b5ea0a63.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e096219bb5d9b6d3e4b1fdba38663e92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5eb23fd2d90a2ea0c53c61b4a2c758.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/16ae89bd2dd0a18e1afb5b1a1abd0efd.png)
您最近一年使用:0次
2022-11-06更新
|
780次组卷
|
7卷引用:上海市金山区2022届高三下学期二模数学试题
上海市金山区2022届高三下学期二模数学试题(已下线)第13讲 椭圆 - 1(已下线)专题30 圆锥曲线三角形面积与四边形面积题型全归类-2(已下线)专题12平面解析几何必考题型分类训练-4上海市大同中学2022-2023学年高二下学期期中数学试题(已下线)专题08 椭圆(三大核心考点七种题型)-【寒假自学课】2024年高二数学寒假提升学与练(沪教版2020)(已下线)专题11圆锥曲线单元复习与测试(21个考点25种题型)-【寒假自学课】2024年高二数学寒假提升学与练(沪教版2020)
名校
解题方法
5 . 已知双曲线
:
的右焦点为
,渐近线方程为
,过
的直线与
的两条渐近线分别交于
两点.
(1)求
的方程;
(2)若直线
的斜率为1,求线段
的中点坐标;
(3)点
、
在
上,且
,
.过
且斜率为
的直线与过
且斜率为
的直线交于点
.从下面①②③中选取两个作为条件,证明另外一个成立.①
在
上;②
;③
.
注:若选择不同的组合分别解答,则按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ddd86734efdbe8b6146b9dc6b0ba08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11836bde22b38e5e3eee51bce4f33398.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966de3d3c494a78fd7097dd0690609c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e4e4c7a79d9d3cdb9ac5949d53e33e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724d316a295242846ae0f70a18e1e659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac51d5b0a1b6d229ca8e73300843e3b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e49f7bcd9838e9557cb205b565e36dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44a60eecc3628f71404e4c88715b535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a52d7924f31c0b705166c1e42db87c1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eacd9c1ce5e65fec29c32f40d86b73d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef812f839622326a7d7027cc806aaeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3f56ac05c7bf554edc662cda308b07b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ddb8a08f9ac5d472967acd9fa774e1.png)
注:若选择不同的组合分别解答,则按第一个解答计分.
您最近一年使用:0次
2022-10-16更新
|
1056次组卷
|
2卷引用:上海交通大学附属中学2023届高三上学期10月月考数学试题
名校
解题方法
6 . 已知
、
分别是椭圆
的左右顶点,
为坐标原点,
,点
在椭圆
上.过点
,且与坐标轴不垂直的直线
交椭圆
于
、
两个不同的点.
(1)求椭圆
的标准方程;
(2)若点
落在以线段
为直径的圆的外部,求直线
的斜率
的取值范围;
(3)当直线
的倾斜角
为锐角时,设直线
、
分别交
轴于点
、
,记
,
,求
的取值范围.
![](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/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c6d5e10b0164e59c49d56d157be9f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500272f9f312e2bc0f32e4afc058db41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bab45799f9f8d0374f529e8b30a0b27.png)
![](https://img.xkw.com/dksih/QBM/2022/10/10/3084881575051264/3085290479992832/STEM/90d25792640e4da9adc7d92bb7ba8b2c.png?resizew=11)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://img.xkw.com/dksih/QBM/2022/10/10/3084881575051264/3085290479992832/STEM/90d25792640e4da9adc7d92bb7ba8b2c.png?resizew=11)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)当直线
![](https://img.xkw.com/dksih/QBM/2022/10/10/3084881575051264/3085290479992832/STEM/90d25792640e4da9adc7d92bb7ba8b2c.png?resizew=11)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfc9b28711b4e9c4b554202fe46fe6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0bd0693e932eb65b222f3453e04280b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
您最近一年使用:0次
2022-10-11更新
|
1775次组卷
|
7卷引用:上海市洋泾中学2023届高三上学期10月月考数学试题
上海市洋泾中学2023届高三上学期10月月考数学试题(已下线)考向36 直线与圆锥曲线最全归纳(十六大经典题型)-3(已下线)专题33 圆锥曲线中的向量问题-1湖北省武汉市第三中学2022-2023学年高二上学期期中模拟数学试题湖南省怀化市第三中学2022-2023学年高二上学期期中数学试题(已下线)期末押题预测卷(拔高卷)(考试范围:选择性必修第一册)-【单元测试】2022-2023学年高二数学分层训练AB卷(苏教版2019选择性必修第一册)上海市敬业中学2024届高三上学期10月月考数学试题
名校
解题方法
7 . 已知数列
满足:①
(
);②当
(
)时,
;当
(
)时,
.记数列
的前
项和为
.
(1)求满足条件的所有
,
,
的值;
(2)若
,求
的最小值;
(3)求证:
的充要条件是
(
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6978c2051e0a7305d2add555ff4646b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e95aa486211d7f810a5eec609a4f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b08c58baacec3cd0c0a06e267fa9ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7428a907e1e376d64b44d693f2955f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f496f5660b342973930563ccc1e72755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b08c58baacec3cd0c0a06e267fa9ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a5945ce5c2114af8c18718ca8dc899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)求满足条件的所有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc858b7a95c5006a44067022da09f667.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6210ceedb78e4e5974d06b78d23a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0f924858fdfc9403142fcbce46de32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f7b4c93ca2429e16ab37678fa28c27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
您最近一年使用:0次
名校
解题方法
8 . 已知焦点在
轴上,中心在坐标原点的椭圆
的离心率为
,且过点
.直线
与圆
(其中
)相切于点A.
(1)求椭圆
的方程;
(2)若
,直线
与椭圆交于
两点,求
的最大值;
(3)若直线与椭圆
有且只有一个交点,且交点为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb74e36139c6de8ff68bc99ff37e31e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a1ef9c1878fded0b37b1f91b188c3d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17938038e9ddf23df5a690b16be752ef.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ed8e62889b754cf55b6a56ccb9a4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa69fd8445d01c98634c2e885b47d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a983aae27f2b9b80b172a29f5a293d.png)
(3)若直线与椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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名校
解题方法
9 . 已知椭圆
的右焦点
与抛物线
的焦点重合,
的中心与
的顶点重合,过
且与
轴垂直的直线交
于
、
两点,交
于
、
两点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/07c41928-8df0-4817-ad47-d06237444460.png?resizew=262)
(1)求
的离心率;
(2)设
是
与
的公共点,若
,求
与
的标准方程;
(3)直线
与
交于
、
,与
交于
、
,且在直线
上按
、
、
、
顺序排列,若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50350df87ee120b7a1893e8ecc5b7856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.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/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0d596f08a281f2de71c6018fd6f260.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/07c41928-8df0-4817-ad47-d06237444460.png?resizew=262)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11cf407ff3de932119c45bc73cc1d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cee0a342c29b2e7382bc98838e8720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.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/6aaafb050b24c4e806c480e0665aaa5a.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7ad7df64819ed3793a4548ddffce64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39387d3ab691f41564b304e66fb51b5f.png)
您最近一年使用:0次
2022高二上·全国·专题练习
10 . 已知双曲线
,
、
分别是它的左、右焦点,
是其左顶点,且双曲线的离心率为
.设过右焦点
的直线
与双曲线
的右支交于
两点,其中点
位于第一象限内.
(1)求双曲线的方程;
(2)若直线
分别与直线
交于
两点,证明
为定值;
(3)是否存在常数
,使得
恒成立?若存在,求出
的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7893c7403a17f8ae296fb68fa7bbb92.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/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0276541c12707b24d2f06ea3d976cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)求双曲线的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53d223a09481973825c5e87ce2f5c03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11be2642c9693edece24664a2df2911b.png)
(3)是否存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bfe8d34e91e1e98891527ad92a33887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-07-17更新
|
1870次组卷
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7卷引用:上海市南洋模范中学2023届高三上学期期中数学试题
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