名校
解题方法
1 . 已知数列
的前
项和为
,且
不是常数列,其中正确命题的个数为______ .
①若数列
为等差数列,则
为等比数列;
②若数列
为等差数列,
恒成立,则
是严格增数列;
③若数列
为等比数列,则
恒成立;
④若数列
为等差数列,
,
,则
的最大值在
为8或9时取到.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.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/76aef4cdcb5af742ce28003b7b6c8c20.png)
①若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00e21d35be35bc42c28c7f4a3250ec9e.png)
②若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49763402b2f2023f0ba64c37924267d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
③若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c63b07f9d796ec7acd6fe07dc004d9.png)
④若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390636a89883bd64bf8da9bf8654aff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ce72eb0ab849d087f244fd73cd29b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
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解题方法
2 . 已知等比数列
的公比为
,它的前
项积为
,且满足
,
,给出以下命题:①
;②
;③
为
的最大值.其中正确命题的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50264d5cb22067b076fe3e2376d39f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b4a288ed2eabfaf91963eb54bea320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda6dc559d07bc22c9a0ed1e3a6d01d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31add5d92e80dcec34cea2dcec7fd2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5087b65850c79e65452645719f176b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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5卷引用:4.2 等比数列(第1课时)(十大题型)(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)4.2 等比数列(第1课时)(十大题型)(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)2024年全国高考名校名师联席命制数学(理)信息卷(八)(已下线)2024年全国高考名校名师联席命制数学(文)信息卷(八)(已下线)考点14 数列中的最值问题 2024届高考数学考点总动员(已下线)第1讲:数列的函数性质应用【练】
3 . 已知直线
与
相交于点
,直线
与
轴交于点
,过点
作
轴的垂线交直线
于点
,过点
作
轴的垂线交直线
于点
,过点
作
轴的垂线交直线
于点
,
,这样一直作下去,可得到一系列点
,
,
,
,
,记点
的横坐标构成数列
,给出下列四个结论:
①点
; ②数列
单调递增;
③数列
为等比数列; ④
.
其中所有正确结论的序号是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27d75e9b0329424f08758cd86fe72dc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb9b8e2ff79c75a12c73cf474df5f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf3300966c23d3c62e0c30327faf8163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
①点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fe66db7cd1a603298df7c219431957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d497e59ca415b9973ae8b07cd28e472.png)
③数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fa575eec471d20667624bd4e9f7924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b16a1cacd1be1014c6acb0267c0715.png)
其中所有正确结论的序号是
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名校
4 . 对于函数
,把
称为函数
的一阶导,令
,则将
称为函数
的二阶导,以此类推
得到n阶导.为了方便书写,我们将n阶导用
表示.
(1)已知函数
,写出其二阶导函数并讨论其二阶导函数单调性.
(2)现定义一个新的数列:在
取
作为数列的首项,并将
作为数列的第
项.我们称该数列为
的“n阶导数列”
①若函数
(
),数列
是
的“n阶导数列”,取Tn为
的前n项积,求数列
的通项公式.
②在我们高中阶段学过的初等函数中,是否有函数使得该函数的“n阶导数列”为严格减数列且为无穷数列,请写出它并证明此结论.(写出一个即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc50cb09e19e0d2d6aac80e1595c40f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51350a90203fcdc2d500a89061b7f52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b211497c206bf64cbccfbc78b88cf284.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a85b386e931b512e94ade91181aa8cc2.png)
(2)现定义一个新的数列:在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d3a735f9848d5d727482a7f56d3ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee64825b2e41c93f1c368eab203a270b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4888beb7e1e150e0a9ad6b565dc18316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e468312d09c6563c9094b710a35a65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3400dd0b134de441b93009d5b2549e.png)
②在我们高中阶段学过的初等函数中,是否有函数使得该函数的“n阶导数列”为严格减数列且为无穷数列,请写出它并证明此结论.(写出一个即可)
您最近一年使用:0次
2023-12-16更新
|
814次组卷
|
7卷引用:信息必刷卷05(上海专用)
(已下线)信息必刷卷05(上海专用)(已下线)上海市高二下学期期末真题必刷04(压轴题)--高二期末考点大串讲(沪教版2020选修)上海市嘉定区2024届高三上学期质量调研数学试题上海市普陀区长征中学2024届高三上学期10月月考数学试题(已下线)专题22 新高考新题型第19题新定义压轴解答题归纳(9大核心考点)(讲义)广东省广州市番禺中学2024届高三第六次段考数学试题广东番禺中学2023-2024学年高三第六次段考数学试题
解题方法
5 . 设函数,
(其中常数
,
),无穷数列
满足:首项
,
.
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770de2dc30a92008fe24dcd40df911ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36de978f04fe3193cc149cbdfeeeaa90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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名校
解题方法
6 . 已知数列
满足
,且
,若使不等式
成立的
有且只有三项,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c492ef0c41f7a2f4c15fb27df44a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64174dea987ddd73fa4b73830e68a9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5bb5c64be2d5df6041b3acc26b9987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-11-27更新
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2卷引用:上海市行知中学2023-2024学年高二下学期期中考试数学试卷
7 . 若项数为n的数列
,满足:
,我们称其为n项的“对称数列”.例如:数列1,2,2,1为4项的“对称数列”;数列1,2,3,2,1为5项的“对称数列”.设数列
为
项的“对称数列”,其中
,
,
,
是公差为
的等差数列,数列
的最小项等于
,记数列
的前
项和为
,若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7acaf3e29ff1a93fb418a403a2f4572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394aee19f94c2b70fcce1d69b31dc7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7936359df4c926b72b48c6fdae55f12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76f79be89b8c6227b68eded6b675546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a689659a7c53f176b6c0ae7c4d25a4ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e22e1223baf7cb3d53e668c2449609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394aee19f94c2b70fcce1d69b31dc7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2342d9276c99f962d3045ee8dab5a2d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e222ddcfcfa336025f6983b678bc0d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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4卷引用:上海市黄浦区大同中学2024届高三下学期2月月考数学试题
上海市黄浦区大同中学2024届高三下学期2月月考数学试题(已下线)压轴题数列新定义题(九省联考第19题模式)练(已下线)专题09 数列的通项公式、数列求和及综合应用(练习)-2山东省淄博市2023-2024学年高三上学期期中数学试题
名校
8 . 下列说法中正确的是( )
A.如果一个数列不是递增数列,那么它一定是递减数列 |
B.数列1,0,![]() ![]() ![]() ![]() |
C.数列![]() ![]() |
D.数列0,2,4,6,![]() ![]() |
您最近一年使用:0次
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|
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|
7卷引用:第4章 数列(知识归纳+题型突破)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)
(已下线)第4章 数列(知识归纳+题型突破)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)(已下线)4.1 数列(3)(已下线)5.1.1 数列的概念(3知识点+6题型+强化训练)-【帮课堂】2023-2024学年高二数学同步学与练(人教B版2019选择性必修第三册)(已下线)第01讲 4.1数列的概念(1)江苏省苏州市吴江中学2023-2024学年高二上学期10月月考数学试题(已下线)4.1 数列(8大题型)-【题型分类归纳】2023-2024学年高二数学同步讲与练(苏教版2019选择性必修第一册)(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)
9 . 已知数列
满足
,
.给出下列四个结论:
①数列
每一项
都满足
;②数列
的前
项和
;
③数列
每一项都满足
成立;④数列
每一项
都满足
.
其中,所有正确结论的序号是_________________ .
![](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/35becfccb4eee2d53a0c92865ebb9b43.png)
①数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455b8aa38eefb19463a0cc24efe3815.png)
![](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/94351ce858fa3f3a09cfadc2d23d7253.png)
③数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1c4afd5d0ae01ea180a2e61fe51cef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e722481402e29b9713b5e75faac482.png)
其中,所有正确结论的序号是
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(已下线)第4章 数列 单元综合检测(难点)-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)北京市第八中学2023-2024学年高三下学期零模练习数学试题北京市东直门中学2024届高三上学期阶段检测(10月月考)数学试题重庆市乌江新高考协作体2024届高三上学期期中数学试题
名校
10 . 已知
,则“
”是“数列
是递增数列”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baa49f4f3a73e8d84b90ea17a308cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b711be5449f4036a28b4dd6681563111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分又不必要条件 |
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8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)湖南省长沙市第一中学2024届高三上学期月考数学试卷(五)(已下线)第01讲 4.1数列的概念(1)(已下线)1.2 数列的函数特性6常见考法归类-【帮课堂】2023-2024学年高二数学同步学与练(北师大版2019选择性必修第二册)浙江省浙南名校联盟2023-2024学年高三上学期第一次联考数学试题湖南省大联考长沙市一中2024届高三上学期月考数学试卷(五)(已下线)4.1 数列的概念(分层练习)-2023-2024学年高二数学同步精品课堂(人教A版2019选择性必修第二册)(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)