名校
解题方法
1 . 已知定义域为
的偶函数
满足
,且当
时,
,若将方程
实数解的个数记为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7bebd637ed0828fdcc578537941aa5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e04b4cd16224102ef696222caa56ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed105a1181ec4d5678ce4358097b168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7bebd637ed0828fdcc578537941aa5.png)
您最近一年使用:0次
2 . 意大利数学家斐波那契在研究兔子繁殖问题时,发现了这样一个数列:1,1,2,3,5,8,…,这个数列的前两项均是1,从第三项开始,每一项都等于前两项之和.人们把这样的一列数组成的数列
称为斐波那契数列,并将数列
中的各项除以3所得余数按原顺序构成的数列记为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644f94297a84a8edbda26f1e408444e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644f94297a84a8edbda26f1e408444e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98429f6d9934d68080957db4e2368279.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-10-16更新
|
1115次组卷
|
9卷引用:湖北省部分高中联考协作体2023-2024学年高三上学期期中考试数学试卷
湖北省部分高中联考协作体2023-2024学年高三上学期期中考试数学试卷辽宁省部分学校2023-2024学年高三上学期11月期中考试数学试题湖南省衡阳市衡南县2023-2024学年高三上学期11月期中联考数学试题福建省部分校2024届高三上学期期中考试数学试题辽宁省抚顺市六校协作体2024届高三上学期期中数学试题(已下线)模块五 专题4 全真能力模拟4(人教B版高二期中研习)安徽省阜阳市第三中学2023-2024学年高二上学期一调考试(10月月考)数学试题(已下线)【一题多变】斐波那契数列 归纳裂项(已下线)第1套 复盘提升卷(模块二 2月开学)
3 . 黎曼猜想由数学家波恩哈德∙黎曼于1859年提出,是至今仍未解决的世界难题.黎曼猜想研究的是无穷级数
,我们经常从无穷级数的部分和
入手.请你回答以下问题:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1e7df075a8aea5c473b84fbe93b4a6.png)
_____ ;(其中
表示不超过
的最大整数,如
)
(2)已知正项数列
的前
项和为
,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96c7a4f80a6323ab9957d1fabe391fc.png)
_________ .(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc07ef1256a9188949462dff0bc9be7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b3bd282c6e7cad9cf53cde43b122da.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1e7df075a8aea5c473b84fbe93b4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40ca5bb1a4a8e02c13874056ccdeb27e.png)
(2)已知正项数列
![](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/9583a4d9bf7b954042226232d23a8c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96c7a4f80a6323ab9957d1fabe391fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227cad9f324ed0089526402e3977f329.png)
您最近一年使用:0次
名校
解题方法
4 . 已知正项数列
的前n项和为
,对任意
,点
都在函数
的图象上.
(1)求数列
的通项公式;
(2)已知数列
满足
,若对任意
,存在
,使得
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16418488e7184ec275286d55e709a48d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d087d57ecfdb9979a7c187f8b009bea7.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85536292b69b6567e936d66196d79bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8284d21959a75e61241e35970232224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a110625eadff9c71802957cbf54827.png)
您最近一年使用:0次
名校
5 . 已知函数
,其中
且
.
(1)讨论
的单调性;
(2)当
时,证明:
;
(3)求证:对任意的
且
,都有:
…
.(其中
为自然对数的底数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d9471f77a4cd41501471bd85c48d34b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1413a67adedc88a492a3f2e21e426961.png)
(3)求证:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52daa0cdc945df33fd98a43b930b71f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f663883e5e739184a7fc18c72a7b62ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e25da8298b6a96d627f3e8c990e55f0c.png)
您最近一年使用:0次
2022-04-03更新
|
2120次组卷
|
11卷引用:湖北省部分重点高中2022-2023学年高二下学期4月联考数学试题
湖北省部分重点高中2022-2023学年高二下学期4月联考数学试题四川省泸州市泸县第一中学2021-2022学年高二下学期期中数学理科试题湖北省郧阳中学、恩施高中、随州二中、襄阳三中、沙市中学2022-2023学年高二下学期四月联考数学试题重庆市西南大学附属中学2019-2020学年高二下学期阶段性测试数学试题苏教版(2019) 选修第一册 选填专练 第5章 微专题十五 函数、导数与不等式的综合应用重庆市实验中学2021-2022学年高二下学期第一次月考数学试题辽宁省沈阳市东北育才学校2021-2022学年高二下学期4月月考数学试题(已下线)第二篇 函数与导数专题4 不等式 微点9 泰勒展开式(已下线)第三章 重点专攻二 不等式的证明问题(讲)江苏省南通市通州区金沙中学2022-2023学年高二下学期5月学业水平质量调研数学试题(已下线)专题11 利用泰勒展开式证明不等式【讲】
6 . 在①
,②
,
,③
,
.这三个条件中任选一个补充在下面的问题中,并加以解答.
设等差数列
的前
项和为
,数列
为等比数列,_____,
,
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c599e7cec6d192fb73218e7882ceca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfd6e425411179e2a5a06d84978356e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192722c0916f4b320d689f44b8d4a5c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfb529dd2e96f3d764ac1b220c6753d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9dc08571a7c9a77dc85cad5b578942.png)
设等差数列
![](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/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aaee408bdec05bbdfcd4b841a331e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60fa3144d2754ec737290d690a2c94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cac2902465a87be92135d7500d3382d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
解题方法
7 . 已知数列
满足
,
,
,则数列
的前n项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa01f03fb074bff35b35e07047d11b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffff9692a55cec9764fc87a8fe8637fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05faffc8c510e591d298da73a861617d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
您最近一年使用:0次
8 . 如图是由正整数构成的数表,用
表示第
行第
个数(
). 此表中
,每行中除首尾两数外,其他各数分别等于其“肩膀”上的两数之和.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/fdc2d46b-ff15-49d8-9b25-c8df101a1e44.png?resizew=228)
(1)写出数表的第6行(从左至右依次列出);
(2)设第
行的第二个数为
,求
;
(3)令
,记
为数列
前
项和,求
的最大值,并求此时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a14c188b1c9d61aa237b137ba18023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1736b49686a45e7f70a51a9bd19ebfae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/410bb2869230b9492732bead8c49aeab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/fdc2d46b-ff15-49d8-9b25-c8df101a1e44.png?resizew=228)
(1)写出数表的第6行(从左至右依次列出);
(2)设第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dac1dfcf9c6c1bb8ef270a3aca91701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e1f9b98b48dcb921a2bf0587930f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971e4bb3c6aca861a934c10846962776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca4747f813cf9e6c4a5f990b82d1851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
9 . 已知数列
各项均为正项,其前
项和为
,且
,若对
总
使不等式
成立,则实数
的取值范围是__________ .
![](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/1776c2e71b0b25d84156d526c8984c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1278e6fd6266a7dc9c39b10260db642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa1139108fba5074a87bd17e4e2c673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed2e1e9c4b1238da83c84c94d70cabc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2017-11-12更新
|
1425次组卷
|
2卷引用:湖北省重点高中联考协作体2017年秋季高三期中考试数学(文)试题
10 . 已知数列
满足
,
.
(1)设
,求证:数列
是等差数列,并求出
的通项公式.
(2)设
,数列
的前
项和为
,是否存在正整数
,使得
对于
恒成立,若存在,求出
的最小值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f4e1236d7dc0366d9523d0cbb426be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f97bba6420310fd84f52844e715b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5e07bf129b073f37b553fbca100172.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb3133b7ca679c841508e1f9431ff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de179145f33f680e6858bb8ca6de3353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79e42f9975ae3ee4c0572564f2a2d956.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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aba7b2970bad263810840bd0b9ca8fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次