12-13高二上·新疆·期中
名校
1 . 两圆
,
的公切线的条数为____ 条
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4825fc47e393393a446c5341a73dcf62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13a821765502e272ca8ad67d426a575.png)
您最近一年使用:0次
2016-12-01更新
|
1818次组卷
|
6卷引用:2015-2016学年福建省福州八中高一上学期期末考试数学试卷
10-11高二下·福建三明·阶段练习
解题方法
2 . 设
,
,
,已知
,
,
,求
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f37e52a64f7f8bdd96755acb740d4642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7c727e62653de998e4fc9d3bcc9f55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c235ca725ade5c8b07943ac106a90fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89973987890bfcc909cbfcc61acfb7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153bfc2234e2327dd8f4fe39b1b36793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a53e1877babe791fbf9c454e467c7f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
11-12高一上·福建龙岩·期末
3 . 已知圆C:
与以原点O为圆心的某圆关于直线
对称. (1)求
的值;(2)若这时两圆的交点为
,求∠AOB的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b3232f22b3060ebed408120de4a606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceee0ff5c929d67de3c294e027c9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
您最近一年使用:0次
2016-11-30更新
|
467次组卷
|
3卷引用:2011年福建省龙岩市高一上学期期末考试数学试卷
9-10高三·福建漳州·期末
4 . 已知
、
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ee8956600f87d1d4bd12f263df9ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6f7fc5448b2f5cc71c7ebef3ac0686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853522b5556d683ac8363e98598425de.png)
A.![]() | B.1 | C.4 | D.10 |
您最近一年使用:0次
名校
5 . 若椭圆
的焦点在
轴上,过点
作圆
的切线,切点分别为A,B,直线AB恰好经过椭圆的右焦点和上顶点,则椭圆方程为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
您最近一年使用:0次
2015-03-10更新
|
1192次组卷
|
5卷引用:福建省厦门市双十中学2019-2020学年高三上学期期中数学(文)试题