1 . 在数列
中,已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd5367f5c88db960f534311d3476ef5.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7582fa4b33a70fc0b9682b0aee60271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd5367f5c88db960f534311d3476ef5.png)
您最近一年使用:0次
2023高二上·全国·专题练习
解题方法
2 . 已知数列
满足
,求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c819f42dab72ed2a5eadc9a27ab7aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
您最近一年使用:0次
2023高二上·全国·专题练习
解题方法
3 . 已知数列
满足
,求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb05fe92df30bdf1b91db889f5bde7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
您最近一年使用:0次
4 . 数列
中,
,且对任意正整数m,数列
,
,
是公差为
的等差数列.
(1)依次求
,
,
,
的值;
(2)求数列
的通项公式;
(3)记
(n为正整数),求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c96788577cf6bec6dc77aa39b7e4af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f766fe39702fecd2b6c21855757907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93be7ab21cfc858530a289bf0df381c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad491e5b5e14c49ef8b7004ebcfcef9.png)
(1)依次求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd2960275e65d038d3ace0e5a9e5a636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
5 . 数列
、
满足:
,
,
,则数列
的最大项是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdf53108bee755f5aa9a34ea4d163e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c075d7856c39919aca6fdd6b8de7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ae65d91e9c140059a4371dad676700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
A.第7项 | B.第9项 |
C.第11项 | D.第12项 |
您最近一年使用:0次
2023-10-09更新
|
1207次组卷
|
5卷引用:4.3 数列-数列的概念(十二大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
(已下线)4.3 数列-数列的概念(十二大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)2023-2024学年高二上学期数学期末预测能力卷(人教A版2019)(已下线)专题15 数列10种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(苏教版2019选择性必修第一册)(已下线)专题01 数列的概念(十二大题型)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)重庆市2024届高三上学期第二次质量检测数学试题
6 . 如图,将一个边长为
的正三角形的每条边三等分,以中间一段为边向外作正三角形,并擦去中间这一段,如此继续下去得到的曲线称为科克雪花曲线.将下面的图形依次记作![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4af5e2031dfa48ec4b9d0fcdc7a98f.png)
(1)求
的周长;
(2)求
所围成的面积;
(3)当
时,计算周长和面积的极限,说明科克雪花曲线所围成的图形是“边长”无限增大而面积却有极限的图形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4af5e2031dfa48ec4b9d0fcdc7a98f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/14/0fa60d42-f0cd-4eba-8dfd-6a3181ea0799.png?resizew=313)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddad3d9fdb5e9951b6a1c31f9a72a71.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddad3d9fdb5e9951b6a1c31f9a72a71.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a107eb946e0fe41629c644b7628d5cba.png)
您最近一年使用:0次
23-24高二上·上海·课后作业
解题方法
7 . 已知数列
的前
项和为
,且
,又数列
满足
,且
,分别求数列
及
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ddd6d99ad32dd7fdb1797d8cf94786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385275d29d8c8a7841eaeaa3dfab2cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e194e7f25976502f399a81c56396ebd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
您最近一年使用:0次
23-24高二上·上海·课后作业
解题方法
8 . 已知数列
满足
,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/485cd46673b29e48c94d38fcb2eadfac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a69c59b22bbb875d664b23ae641e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77288bfa684c2a9ca00c75743232a0e3.png)
您最近一年使用:0次
9 . 已知数列
,
,
,...,
的各项均为正整数,其中
,对于每个正整数
,
为相同的正整数,则
的值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2344f4d2455e19a0e16f21efd75e9991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db12c02471a36e246a699ace88b28996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a016c6a89c9b8b5d22868785571707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/483b5604d5bc1ca52df6ad439cc78338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fe44dab672c37b60f97de0040be87a.png)
您最近一年使用:0次
解题方法
10 . 有穷数列
共有k项,满足
,
,且当
,
时,
,则项数k的最大值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc352f71e67467a7a9d59bb1e0633db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c23ea6a4068336caebba69e44b37cde8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a35fb9f9ec83262fddde2595c2ddf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28773584ecb753c2bd39dbbcba1ac8ef.png)
您最近一年使用:0次
2023-03-26更新
|
655次组卷
|
6卷引用:4.3 数列-数列的概念(十二大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
(已下线)4.3 数列-数列的概念(十二大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)河南省南阳地区2022-2023学年高二下学期期中热身摸底检测数学试题广西2023届高三模拟考试数学(理)试题广西壮族自治区玉林市2023届高三二模数学(理)试题(已下线)专题10数列(选填)(已下线)第74练 计算提升训练14