名校
1 . 已知函数
,其中
.
(1)当
时,求不等式
的解集;
(2)若对任意的
恒成立时m的最小值为t,且正实数a,b满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2379c1c2d0e095625f77f7883003df7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/975af98526d943ccd1ab7b9f0e022374.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/624070d66d05a0f5244648e5d1cffe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0fd3296a0ecf275a161134518dba8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b0e403c5f00d0357d3fa30d6c2717c.png)
您最近一年使用:0次
2024-04-16更新
|
339次组卷
|
3卷引用:宁夏银川市、石嘴山市2024届普通高中学科教学质量检测理科数学试题
解题方法
2 . 已知函数
的最小值为
.
(1)求实数
的值;
(2)若
,设
且满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8155134413c6104a94ed047e934eeeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a1007082d08803d3cb9de108039401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d812643e080d4d447fab7fe2ae2646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c3f311c21d1f216d19f0d50b37e858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27877a392b2c66f618e809674a0fa2db.png)
您最近一年使用:0次
2019-04-03更新
|
364次组卷
|
5卷引用:【市级联考】宁夏银川市2019年高三下学期质量检测文科数学试题