设n是正整数,r为正有理数.
(1)求函数
的最小值;
(2)证明:
;
(3)设
,记
为不小于x的最小整数,例如
,
,
.令
,求
的值.
(参考数据:
,
,
,
.)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0d7b3f0c1dc6ae73caa79af157a11d.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7e9e252a70a7684b6ffc848fce493.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898a6c355155c992f5e44bb86684225a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2920f45281a12f86b030a132bcc2416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4e08a700019de14d9662815173fa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a4445715259619217dffa47f431a8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa334c2d71c4e4a5a707fff30dbf20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa2b51518d8a07f8aee74b0d83a59ff.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3099ecf9f1f6dd97203f319369af2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1793985234bb6517f82deeff92f495af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a19c0e54ac65527b11a31a2de0a64e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843ad0ae750ff474168613f0eac00983.png)
2022高三·全国·专题练习 查看更多[5]
(已下线)第34讲 估值问题-突破2022年新高考数学导数压轴解答题精选精练(已下线)第5章 一元函数的导数及其应用(新文化与压轴30题专练)-2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)(已下线)第二篇 函数与导数专题4 不等式 微点2 伯努利不等式(已下线)第三篇 数列、排列与组合 专题2 多边形数、伯努利数、斐波那契数、洛卡斯数、明安图数与卡塔兰数 微点3 伯努利数天津市南开中学2024届高三上学期第三次月考数学试题
更新时间:2023-05-23 13:18:05
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