设
为n个非负实数.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec41ff7fcb1c4fba6d30a8910fbe165c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c12982e7652ba33eb5257464b8ea7e6.png)
2006高三·江西·竞赛 查看更多[1]
(已下线)2006年全国高中数学联赛江西省预赛试题
更新时间:2018-12-21 20:52:40
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解答题-问答题
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适中
(0.65)
【推荐2】已知数列
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3274b3607d82e31000956a584ee27b7.png)
(1)若
恒成立,求的取值范围;
(2)若
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3274b3607d82e31000956a584ee27b7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd49116038d8ea04b1f0ef51a7568510.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05df47d88bb64fe00c6ef3b9b3699617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0f4a219b976ddf9e703deef4ba13da.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】设
,对
,有
.求常数
,使对一切正整数
有
,而对任何
,都存在正整数
,使
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8dc33de32df97bbae4b48be28c8cc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e9a03c0f7f8c0ea2d63a7d430763d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e177b939d53b9e326356d631e2cbec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1fb54b0ed009d9d7033a1342557557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e558b12b0527c4c6998784bdb515ecb3.png)
您最近一年使用:0次