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解题方法
1 . 已知椭圆E:
的右焦点为F,右顶点为A1,设离心率为e,且满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0cb51f6668ce68f11ccc0c31fdcba1d.png)
,其中O为坐标原点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/94b8ffb5-6d9b-4a76-9c95-dcb1658a2796.png?resizew=188)
(1)求椭圆E的方程;
(2)过右焦点F的直线与椭圆E交于A,B两点,线段AB的垂直平分线交直线AB于点C,交直线l:x=2于点P,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01d515029b29f868a438956f58b6def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0cb51f6668ce68f11ccc0c31fdcba1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b292a041f2b41dd7d60e8e59842502.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/94b8ffb5-6d9b-4a76-9c95-dcb1658a2796.png?resizew=188)
(1)求椭圆E的方程;
(2)过右焦点F的直线与椭圆E交于A,B两点,线段AB的垂直平分线交直线AB于点C,交直线l:x=2于点P,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e032073446e25d9e9e0e8a9756b654ca.png)
您最近一年使用:0次
解题方法
2 . 已知椭圆
:
的长轴长为6,离心率为
.
(1)求椭圆
的方程;
(2)直线
与椭圆
交于
,
两点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.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/05da40a2d7dab5d6a003906ca19d4749.png)
您最近一年使用:0次
2020-11-28更新
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1790次组卷
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3卷引用:黑龙江省2020-2021学年高二第一学期学业水平考试 数学(理)试题
黑龙江省2020-2021学年高二第一学期学业水平考试 数学(理)试题黑龙江省2020-2021学年高二第一学期学业水平考试 数学(文)试题(已下线)考点47 直线与椭圆的位置关系(考点专练)-备战2021年新高考数学一轮复习考点微专题