名校
解题方法
1 . 已知向量
,函数
的最小值为
.
(1)求
;
(2)函数
为定义在R上的增函数,且对任意的
都满足
,问:是否存在这样的实数
,使不等式
对所有
恒成立,若存在,求出
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b63996ef5f668d28f3fc44e52a8b7428.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86209d01c29f121969e4f15198ffeb94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d9bfb77844faa1f83b0d5d7edf0a33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5a4f55ec83e3b92fecaaf0360d0988.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb402cb4292fb73c9a377376349bfef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-08-18更新
|
687次组卷
|
4卷引用:湖北省襄阳市第五中学2023-2024学年高二上学期新起点考试数学试题