名校
解题方法
1 . 在平面直角坐标系
中,已知
顶点
和
,顶点
在椭圆
上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5aae1193f8708e997c5a42c17d2cd7e.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a525534689bd2701205d4ab17574c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437f923730cfbd1bc6f62738d607eca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b747db7eaf469c6d1607e4b0d028299f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5aae1193f8708e997c5a42c17d2cd7e.png)
您最近一年使用:0次
2024-03-22更新
|
191次组卷
|
2卷引用:安徽省舒城中学2023-2024学年高二下学期开学考试数学试卷
名校
2 . 已知
是椭圆
与双曲线
的公共焦点,
的离心率为
的离心率为
为
与
的一个公共点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a7bf1e495b950cf39a9146751559c0.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd486b8796b3454eab219c28ed131683.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/00a5591a59c432756459f9cef82f1dbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e86c007ee006f2d0d3b75ce7bec6e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509e5d1547aab8e27738ff20fd51d606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a7bf1e495b950cf39a9146751559c0.png)
您最近一年使用:0次
名校
解题方法
3 . 已知椭圆
的左、右焦点分别为
,过
的直线与
交于
两点,若
,且
,则
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ab709d0ff07217ef6ef7bd9584b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8625822afb0eb28445b4c63e3d6a52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2024-02-21更新
|
540次组卷
|
2卷引用:安徽省部分省示范高中2024届高三开学联考数学试卷
名校
解题方法
4 . 若点P在椭圆C1:
+y2=1上,C1的右焦点为F,点Q在圆C2:x2+y2+10x-8y+39=0上,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50520e416713b6ef6edbc58d586112b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d20db071a2fafb3fbda563d0af014aa.png)
您最近一年使用:0次
2023-02-17更新
|
334次组卷
|
2卷引用:安徽省六安第二中学2022-2023学年高二下学期开学考试数学试题
解题方法
5 . 已知椭圆
与圆
在第二象限的交点是
点,
是椭圆的左焦点,
为坐标原点,
到直线
的距离是
,则椭圆的离心率是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26edd7d076460e7aa7e8f319cb2be370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a99a2034cf37438e8f252a817efa7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e32bbe75893e6d2e0d382182cd8d608.png)
您最近一年使用:0次
2018高三·全国·专题练习
名校
6 . 已知
是椭圆
上的点,
,
分别是圆
和
上的点,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b939a0c044b842cdc258e516a6d1de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a1332667ece939c1caedfcd262beb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb4491cbc9dd8029833d909310d64ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e66b1171082975b766b037dbb9e139c.png)
您最近一年使用:0次