《选修4-5:不等式选讲》已知函数
.
(1)证明:
;
(2)求不等式
的解集.
![](https://img.xkw.com/dksih/QBM/2014/12/8/1571919353896960/1571919359934464/STEM/3b3dd46f93404f98b576c0e7b5acf6f9.png)
(1)证明:
![](https://img.xkw.com/dksih/QBM/2014/12/8/1571919353896960/1571919359934464/STEM/2ba6d78b7c9748dbb9a985f019297966.png)
(2)求不等式
![](https://img.xkw.com/dksih/QBM/2014/12/8/1571919353896960/1571919359934464/STEM/28a6ccd4a6ce42d5b2bdb1686effb9c8.png)
14-15高三上·青海西宁·阶段练习 查看更多[2]
更新时间:2016-12-03 07:00:46
|
相似题推荐
解答题-证明题
|
较易
(0.85)
名校
解题方法
【推荐1】已知函数
(其中
).
(1)当
时,求证:
;
(2)当
时,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0e28afc17625f101ab579ae48c388e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f479cb51006f3e07f00ec7a671060d7.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40fd6f2e35b2ea27a876ad7f586654af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e92b9e9995dbc2e3ee5cdf221dcbbc.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】已知函数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029c808189380d4936963bd909951bae.png)
(1)证明:;
(2)求不等式的解集.
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐3】已知
.
(1)求不等式
的解集;
(2)设函数
的最大值为m,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dd6fc9e2e653b6a2b185962589f7b7.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111b5993606f352d0e676252aab7b5ac.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf04fe8895c10624636a815d3d752975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a7eda006710b296edd137583b4805e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f407027202e45d01195694e3a620ba.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】已知函数
.
(1)求不等式
的解集
;
(2)若
证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d45e0fa2f2c2607cd83dc911067239.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93b7c1281a7005bbf163d7b2f1f4565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2b85186925658e66d8541a5645269e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac4ed0bacbb939abf7363450af7854e.png)
您最近一年使用:0次