1 . (1)已知
,
,比较两个代数式
与
值的大小;
(2)已知
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1915b9fb68d3584dc940638fbc041083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67948c49940b5786ad1e4c3548249fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00713ae1220e268e2a8cb7c785745d7.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa4b46e83d1879329257896c3795c42.png)
您最近一年使用:0次
名校
2 . 已知函数
.
(1)求不等式
的解集
;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2e2fdabe14383edbd86cead6e2481.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f9849615359e0d43a363c88c537e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c589083d24ab50d98a19fba02d463a6.png)
您最近一年使用:0次
2017-05-12更新
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413次组卷
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6卷引用:广东省揭阳市2017届高三第二次(4月)模拟考试数学理试题