名校
解题方法
1 . 若
,
满足约束条件
,则
的最小值为_____ .
![](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/3f68a10309ae5e4283ce30c1a35d4c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fc838e1477179b36ca7481ee2cc1e8.png)
您最近一年使用:0次
2020-04-12更新
|
477次组卷
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5卷引用:山西省忻州市第一中学2019-2020学年高二下学期期中数学(理)试题
2 . 已知圆
,平面区域
,若圆心
,且圆C与x轴相切,则圆心
与点
连线斜率的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cafc83abf3f61af3e0845a7154d090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e751311da2d8213ef82f5e560d6ab0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ce1f67b58bd3b209bf2ace3550394f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad0f00d7f0acc53d9774923580a60bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a9275848b5c91230c249a45f1bfc05.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2018-07-22更新
|
635次组卷
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2卷引用:2019年山西省忻州市静乐县高三下学期6月月考数学试题