名校
解题方法
1 . 设点
是曲线
右支上一动点,
为左焦点,点
是圆
上一动点,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dad0c75ce33673ec4c425896e8619e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6980c1b60505861f5dda0faaecbd78d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff21811ea84135ab28112ae687268f3.png)
您最近一年使用:0次
2024-03-22更新
|
306次组卷
|
2卷引用:河北省秦皇岛市新世纪高级中学2023-2024学年高二下学期开学考试数学试卷
名校
2 . 如图所示,已知双曲线
和椭圆
有共同的右焦点
,记曲线
为双曲线的右支和椭圆围成的曲线,若
,
分别在曲线
中的双曲线和椭圆上,则
周长的最小值等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab216f19f9ffbdb10aacf4ffc843f679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb4e661dd8d5735482cb24d2aed9bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.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/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a23d3baeaaf090c6c19cbb63f23e2c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/7/2ff0f4f9-1bd1-4fbb-9928-5ad182b5f542.png?resizew=196)
您最近一年使用:0次
2023-02-07更新
|
182次组卷
|
2卷引用:河北省承德市双滦区实验中学2022-2023学年高二下学期开学摸底数学试题
名校
3 . 已知
,
为双曲线
的左、右焦点,过
作
的垂线分别交双曲线的左、右两支于B,C两点(如图).若
,则双曲线的渐近线方程为______
![](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/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92febb64725497dd891a525e6f998e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0490e47d9e481853ab60e28a3753192.png)
![](https://img.xkw.com/dksih/QBM/2022/1/12/2892993086480384/2894516034658304/STEM/d063b6e2-c7e1-499c-bbbb-5db8d8f3f0fe.png?resizew=178)
您最近一年使用:0次
2022-01-14更新
|
528次组卷
|
4卷引用:河北省石家庄市十八中2022-2023学年高二下学期开学考试数学试题