1 . 给定正整数m,数列
,且
.对数列A进行T操作,得到数列
.
(1)若
,
,
,
,求数列
;
(2)若m为偶数,
,且
,求数列
各项和的最大值;
(3)若m为奇数,探索“数列
为常数列”的充要条件,并给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee00267997ecd957562fe62214153ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e972bd6405268bcb111d97039df7c5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8743cb652671f7a19a5c9aca1c65a43.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced4e381e8c3336848b8c436dbc584f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc250de2317c83a904f0ebce5fc2989.png)
(2)若m为偶数,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d14ae78ff7bc3ecb1735171cdeda7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21548fbce5a8c4385975335a66401bdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc250de2317c83a904f0ebce5fc2989.png)
(3)若m为奇数,探索“数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc250de2317c83a904f0ebce5fc2989.png)
您最近一年使用:0次
2022-06-02更新
|
1226次组卷
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8卷引用:北京市大兴区兴华中学2022届高三三模数学试题
北京市大兴区兴华中学2022届高三三模数学试题北京市第十二中学2022届高三第三次模拟练习数学试题 北京市第十二中学2022届高三下学期第三次模拟练习数学试题(已下线)2022年新高考北京数学高考真题变式题13-15题(已下线)2022年新高考北京数学高考真题变式题19-21题北京市对外经济贸易大学附属中学2023届高三上学期12月月考期末综合测试(一)数学试题北京市日坛中学2023届高三上学期12月月考数学试题(已下线)模块九 数列-2
2 . 对于数列
,记
.
(1)若数列
通项公式为:
,求
;
(2)若数列
满足:
,
,且
,求证:
的充分必要条件是
;
(3)已知
,若
,
.求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c5f9b7b115d33b3ccbd3df5fc86a09.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b3dc0080aaf7d618423b1923d2dd1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54394bf6ef11138a744ca1727302742b.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fab51121848ce166035ceab6f4e00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7426d777b5072f53c5cd23bc066948ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46df866a9473cd08f37c276a5185a10b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b89e64dbabe7b186af978bcbfeadbe.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa1ffdd527ef0beba0cab676e6c3f8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef3b334e457945dc436cffd0c4b166b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8e8817093cc3e6224779adab01cf5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1b69c3bf36d3e240d6d46ad648043e.png)
您最近一年使用:0次
3 . 已知函数
,
是自然对数的底数,
,
.
(1)求
的单调区间;
(2)记
:
有两个零点;
:
.求证:
是
的充要条件.要求:先证充分性,再证必要性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656ed69a6c78d2b66f47d08f5913796d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8166e75ef9ebda44ee6c4f23209acca3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81d60b0525a338954e9a4fde52aa643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
您最近一年使用:0次
2022-03-14更新
|
719次组卷
|
3卷引用:云南省2022届第一次高中毕业生复习统一检测数学(理)试题
名校
解题方法
4 . 已知函数
,其中
.
(1)判断函数
的奇偶性,并说明理由;
(2)记点
,求证:存在实数
,使得点
在函数
图像上的充要条件是
;
(3)对于给定的非负实数
,求最小的实数
,使得关于
的不等式
对一切
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1374fed1f423cc63574bea0ed380f2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e893793ff42e085e77129eb6af4161.png)
(2)记点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e893793ff42e085e77129eb6af4161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a80d3881e7a8ae2ba2c0cd3a7f47cad.png)
(3)对于给定的非负实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c04cd253e7ea5d33556f5e9bc7610d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d1f935f799ae17ab87ef17e9faf81f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0764a141b433c8f3d90b5821f52c1c3b.png)
您最近一年使用:0次
2020-08-07更新
|
475次组卷
|
2卷引用:上海市2022届高考模拟卷(二)数学试题