2011·广西桂林·一模
1 . 已知函数
(
且
)的最小值为
,则
展开式的常数项是___________ (用数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef7462de8a34cbba1f5e11ebc8c211c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79961e21b7c79b64e31c978fda22d071.png)
您最近一年使用:0次
2 . 选修4-5:不等式选讲
已知函数
,
;
(1)求不等式
的解集;
(2)若对任意的
,
,求
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f8b282c70b9a646a3d220efdd8d0a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15841e8b36f3cf21fa7d301a127b655e.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209da192e931746f6d33a8fc25663612.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc70276e8bba4f3a519be50442f0f21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c3e069dce829fb75aa65ed53ee7451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-10-17更新
|
283次组卷
|
4卷引用:2017届广西南宁二中等校高三8月联考数学(理)试卷1
3 . 已知函数
.
(1)若不等式
的解集为
,求实数
的值;
(2)若在(1)的条件下,存在实数
,使
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20c018ec0999ed877239171a17eea12.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b45f8224a638bb503ccb01749cfeb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b3749bfef2e73f7dcf10152c35a866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若在(1)的条件下,存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0245f0e0a6d080e68a02c5bb07d92790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-05-30更新
|
265次组卷
|
2卷引用:2019届广西柳州市高三10月模拟考试数学(理)试题