名校
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc7a637667f6caf3df83bd678f7566e.png)
(1)若
,求实数
的取值范围;
(2)证明:
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc7a637667f6caf3df83bd678f7566e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20deab0687c30926992e1c5c7b680a5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d274faf3f4704522d20b112b4ebfda05.png)
您最近一年使用:0次
2018-11-29更新
|
442次组卷
|
6卷引用:吉林省实验中学2019-2020学年高二下学期期末考试数学(文)试题
名校
2 . 已知
,
为不等式
的解集.
(1)求
;
(2)求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85e0fd6327983b85ecee3fe95554d3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9661053f3ef4cfa926e5d5fd5c6555f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebdb3f96e36d5f14d445ebbfd7c0165.png)
您最近一年使用:0次
2017-08-26更新
|
335次组卷
|
7卷引用:吉林省辽源第五中学2016-2017学年高二下学期期末考试数学(文)试题