名校
解题方法
1 . 椭圆
与双曲线
有公共的焦点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e81a9beed57935dcac3f6d8a6f70da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fb42f813e658f9a924182df4d5d1a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次
2020-09-07更新
|
969次组卷
|
10卷引用:2020届江苏省徐州中学、徐州一中高三下学期5月高考模拟数学试题
2020届江苏省徐州中学、徐州一中高三下学期5月高考模拟数学试题江苏省连云港市灌云县第一中学2019-2020学年高三下学期3月线上考试数学试题2020届上海市浦东新区高三三模数学试题上海市浦东新区建平中学2021届高三6月份数学模拟试题河南省平顶山市2019-2020学年高二上学期期末数学(理)试题上海市建平中学2020届高三下学期6月月考数学试题(已下线)课时37 双曲线-2022年高考数学一轮复习小题多维练(上海专用)重庆市礼嘉中学2021-2022学年高二上学期第三次(12月)月考数学试题重庆市万州纯阳中学2021-2022学年高二上学期12月月考(A卷)数学试题广东省广州市第八十九中学2023-2024学年高二上学期期末模拟数学试题(二)
名校
2 . 已知
是椭圆
上一动点,
,
,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1294434b22cb5133043a2270ae1c43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02af485e17e7628fd5a3ace6e0a32ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35031ade086c0cb5adcd82aaef62462.png)
您最近一年使用:0次
3 . 如图,把半椭圆:
和圆弧:
合成的曲线称为“曲圆”,其中点
是半椭圆的右焦点,
,
,
,
分别是“曲圆”与
轴,
轴的交点,已知
,过点
的直线与“曲圆”交于
,
两点,则
的周长的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22178ee98809feea0b6d87241c7ba288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cdb94fa47eca1bbc1de89a3e45f3030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4f1e6a41c6dc980852d9c468c65805b.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ef68c72248af27e3b83b4ee5fdeb51.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/4058e757-1e83-4d1e-807c-b020784dd85a.png?resizew=195)
您最近一年使用:0次
2020·江苏·一模
4 . 已知椭圆方程为
,过其下焦点
作斜率存在的直线
与椭圆交于
、
两点,
为坐标原点,则
面积的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f642cc82f9cb94f68265b4ec78f8c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
您最近一年使用:0次
名校
解题方法
5 . 设
为椭圆
在第一象限上的点,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914075a4574c09bdb860d8f8f09a4e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f6684b26e394132206437aa6e6cf3c8.png)
您最近一年使用:0次
2020-04-17更新
|
332次组卷
|
2卷引用:2019届江苏省南京大学附属中学高三三模数学试题