名校
1 . 已知正整数数列
满足:
,
,
(
).
(1)已知
,
,试求
、
的值;
(2)若
,求证:
;
(3)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fab51121848ce166035ceab6f4e00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55ef34345210312db273ab4981c40f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff2428e6c46ad8d2d1b3893532caa61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f86a8746a583f411fb73c6334eb27b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee72a725fad2397be3a240704354d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f08d6b1019285d1fa20575f68220b2.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次
真题
名校
2 . 给定常数
,定义函数
,数列
满足
.
(1)若
,求
及
;
(2)求证:对任意
,;
(3)是否存在
,使得
成等差数列?若存在,求出所有这样的
,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4950cc100c4f08bec9fc33ce6ddedac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69bd34a73127f3483a9d50d2dc1755c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8613ce827804b9485d8dfc0ca2d563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d043d6b72ab55699dcbb12cfc242b006.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922de166bb11f7828ca5496015ca97fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
(2)求证:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05ebe11bc5d30b80341cc3be681d58a.png)
(3)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c01bd7853f3d558f5b34c8decb1124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
您最近一年使用:0次
2016-12-02更新
|
2719次组卷
|
7卷引用:2013年全国普通高等学校招生统一考试理科数学(上海卷)
2013年全国普通高等学校招生统一考试理科数学(上海卷)上海市金山中学2016-2017学年高一下学期期末数学试题沪教版(上海) 高二第一学期 新高考辅导与训练 第7章 数列与数学归纳法 7.2(2)等差数列的定义与通项公式的应用沪教版(上海) 高三年级 新高考辅导与训练 第二部分 走近高考 第四章 数列与数学归纳法高考题选(已下线)考向14 等差数列-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)第08讲 等差、等比数列-2(已下线)4.1等差数列及其通项公式(第1课时)(作业)(夯实基础+能力提升)-【教材配套课件+作业】2022-2023学年高二数学精品教学课件
真题
3 . 对于项数为m的有穷数列数集
,记
(k=1,2,…,m),即
为
中的最大值,并称数列
是
的控制数列.如1,3,2,5,5的控制数列是1,3,3,5,5.
(1)若各项均为正整数的数列
的控制数列为2,3,4,5,5,写出所有的
;
(2)设
是
的控制数列,满足
(C为常数,k=1,2,…,m).
求证:
(k=1,2,…,m);
(3)设m=100,常数
.若
,
是
的控制数列,
求
.
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/2b0ff7d0a5534c47a187f63321aa63df.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/c9eb5ef62e064fc6bcaaeaa26ea738e6.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/513040b1110c4e2daef20ec1f1f63ca2.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/e87c0cf6094f41818bc77d67ebc144c6.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/6d972c3ad65a4a2991f16123a016974f.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/2b0ff7d0a5534c47a187f63321aa63df.png)
(1)若各项均为正整数的数列
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/2b0ff7d0a5534c47a187f63321aa63df.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/2b0ff7d0a5534c47a187f63321aa63df.png)
(2)设
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/6d972c3ad65a4a2991f16123a016974f.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/2b0ff7d0a5534c47a187f63321aa63df.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/f24f5e7fcbbd4a86a6d9f51dd5574723.png)
求证:
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/ac5b489281da4a33b5c33dcc232c58b9.png)
(3)设m=100,常数
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/43433998e87d495d8fa11eb84e197878.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/08af965a17a44eb6b854e2ef1415ea8f.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/6d972c3ad65a4a2991f16123a016974f.png)
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/2b0ff7d0a5534c47a187f63321aa63df.png)
求
![](https://img.xkw.com/dksih/QBM/2012/6/14/1570886267199488/1570886272892928/STEM/c6c501a37bc245e8904d034a77b7dcd9.png)
您最近一年使用:0次