名校
解题方法
1 . 已知椭圆
:
的焦距为
,且
.
(1)求
的方程;
(2)A是
的下顶点,过点
的直线
与
相交于
,
两点,直线
的斜率小于0,
的重心为
,
为坐标原点,求直线
斜率的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9fa3babeb095d6078e2ee7eb9cdff2e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)A是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af74113f38fffeed8075e57d7f9d2533.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/ac047e91852b91af639feec23a9598b2.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/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307bd991211ec79b47a4be52933bb8e7.png)
您最近一年使用:0次
2023-11-23更新
|
776次组卷
|
8卷引用:四川省雅安市雅安市联考2023-2024学年高三上学期期中考试数学(理)试题
四川省雅安市雅安市联考2023-2024学年高三上学期期中考试数学(理)试题四川省绵阳市绵阳实验高级中学2024届高三上学期11月月考数学(理)试题广西普通高中2024届高三跨市联合适应性训练检测卷数学试题广西桂林、柳州、贺州、崇左四市2024届高三上学期跨市联合适应性检测数学试题(已下线)模块一 专题2 解析几何(2)(已下线)模块三 专题5 大题分类练(解析几何)拔高能力练(已下线)重难点7-2 圆锥曲线综合应用(7题型+满分技巧+限时检测)(已下线)专题03 圆锥曲线方程(2)
解题方法
2 . 已知椭圆
与椭圆
的离心率相同,且椭圆
的焦距是椭圆
的焦距的
倍.
(1)求实数
和
的值;
(2)若梯形
的顶点都在椭圆
上,
,
,直线
与直线
相交于点
.且点
在椭圆
上,证明直线
恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e0898b9dbbf5d70cb2a59f6bb64e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b1f2cf4491e954f61003383ae6472c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若梯形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f1161e0345b3646c71365430dccbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
解题方法
3 . 求符合下列条件的曲线方程:
(1)以椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b747db7eaf469c6d1607e4b0d028299f.png)
(2)已知抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01ab362ae1917e8bc9db1f4f76a7707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1584d07b1e2ddc64349f0f5940f3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2023-07-08更新
|
405次组卷
|
7卷引用:四川省内江市2024届高三零模文科数学试题
四川省内江市2024届高三零模文科数学试题四川省内江市2024届高三零模考试数学(理)试题四川省内江市2022-2023学年高二下学期期末数学试题(文科)四川省内江市2022-2023学年高二下学期期末数学试题(理科)(已下线)考点12 圆锥曲线的几何性质(椭圆,双曲线,抛物线) 2024届高考数学考点总动员【练】(已下线)专题3.11 圆锥曲线的方程全章综合测试卷(基础篇)-2023-2024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)第3章 圆锥曲线与方程单元检测(基础卷)-2023-2024学年高二数学《重难点题型·高分突破》(苏教版2019选择性必修第一册)