已知函数
.
(1)求
的最小值;
(2)设m为整数,且对于任意正整数n,
,求m的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c0b471c9a4ff941c65b0dc3b7605b7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设m为整数,且对于任意正整数n,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c860525569ef7df6d9a67d61bf3b8ce0.png)
更新时间:2020-01-11 19:24:58
|
相似题推荐
解答题-问答题
|
较难
(0.4)
名校
【推荐1】已知函数
.
(1)若
在
上是单调递减,求实数
的取值范围;
(2)若对任意的
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795a9f1a23c3e4fe989eef074475106c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd05d0ec92997bd272cd7ac32614fabd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
名校
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f8fef6a1712a1ddbdcccfd323c2eba.png)
讨论
的单调性及最值
当
时,若函数
恰有两个零点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f8fef6a1712a1ddbdcccfd323c2eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d53ef6814bdcd81428e56b3fcfaba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e0d68638bcfbb0731e965e3d232c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b42beec389982a69a715ba64d4e684a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040135d64192de075ba0cc9f11ddbc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454489219a338f10063b9b336eb6b510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec2a2b453008fcb6cfa83b56a1f0b2a6.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐1】已知函数
,当
时,函数
有极大值8.
(Ⅰ)求函数
的解析式;
(Ⅱ)若不等式
在区间
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc695a870f823de80ca31b2771450ede.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e64b0140808215407ada809a1e7546d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da34ce730f711c09909d53806fe2330a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e15dc7516f38668ed871d1f6256410.png)
.
(1)若函数
在定义域内单调递增,求a的取值范围;
(2)若
,
在
上恒成立,求整数k的最大值.(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e15dc7516f38668ed871d1f6256410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac318caa9ebad57373957d18362eaf7.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bf74e4eb8ca4fa2829e4576e4023f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6175ff9871c6e1286b2cc76ea2d00b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781d357bc47b28e556da50b3db66274b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/310c055d2bb6e680b7839044d225378d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa225fd512654ebef847afeaebd0eab.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
解题方法
【推荐2】数列
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21fef5b300a937f47e081d1d0c691a9.png)
(1)是否存在常数
,
,使得数列
是等比数列,若存在,求出
,
的值,若不存在,说明理由.
(2)设
,
,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21fef5b300a937f47e081d1d0c691a9.png)
(1)是否存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb1eb858eb17c2a9474784f8a1229d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/672516b4ca5b692fecc28b136ed6485d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aeb6eb319ba57ca8e559e9bf216e83c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd1f8b60931aec2db1a096fe7996608.png)
您最近一年使用:0次