名校
解题方法
1 . 已知函数
,数列
各项均为正数,且数列
、
满足:
,
,
.
(1)设
,
,若
是无穷等比数列,求数列
的通项公式;
(2)若对于给定的
满足
,问:是否存在递减数列
,使得
是无穷等比数列?若存在,求出
的取值范围,若不存在,说明理由;
(3)当
时,
为公差不为0的等差数列且其前
的和为0;若对任意满足条件
的数列
,其前
项的和
均不超过
,求正整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](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/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292b7800ba829f3f458cd6c23edf68a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9882a4d12c45d37b650d7e6120c7df7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e31d5f5293de76ffd02c8125caa9eb6.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61f75723824158fae6941098197f51b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9adba66018e60187eeb78d67e13db91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)若对于给定的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75c671c153751a24549bee59555c7f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e021a223c85a5fe67380cf5d489ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2360f4c62f7f1173922e755529a00fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00750edf6ba5e93875f77676e7107a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2360f4c62f7f1173922e755529a00fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98de51986abddede978630e0db085330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08a01aed02ce1eaf1aaefaa0342b7ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
2 . 已知各项均不为零的数列
的前
项和为
,
,
,
,且
,则
的最大值等于_________ .
![](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/bbe7bdaaf8b0adf10bf2ef6c1255b1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fdd606e80f1f7c0a559d259d381c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1b4a3abe5719814ca6497520b1ba8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5b083c3cf55f65f882796e960f4c3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f422edb72f7e1d5529a5570feb77df.png)
您最近一年使用:0次
2023-02-06更新
|
701次组卷
|
4卷引用:上海市行知中学2020-2021学年高二下学期期中数学试题
上海市行知中学2020-2021学年高二下学期期中数学试题(已下线)高二下期中真题精选(压轴40题专练)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)(已下线)期中真题必刷压轴50题专练-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)福建省宁德第一中学2020-2021学年高二上学期开学检测数学试题
名校
3 . 设复数
为虚数单位,
.
(1)若
,且
,试确定虚数q的值,使得
,并计算
的值;
(2)若数列
是各项均为正数的等比数列,
,
,
,求
的值;
(3)若
,且
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a036e9ee70ced65188b33599f9c5cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22214f48085c06e62521bf96c27191b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a58dcdbc4ba66c058b9c2ea0b66c78d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cf89ab7d054f735048e3f2de3790952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e958699ed7f4ec14624af584b08869c.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a19c1b64ab0b0ddcf2392cdc57b3772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0dd3fb6af23def773e1b0032a4f3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d308b3a2305c0a30cd95d08e6b039986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621c88d8efebb14c021243cf153046bb.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4638a75e65012bebf3684a34212a2ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93fb330f2c2ee620c57204e75f439e99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900298ea19e2fd2d1c99e9744484b0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4914cce8e01442532dbcee3564708e85.png)
您最近一年使用:0次
名校
解题方法
4 . 若数列
满足“对任意的正整数i,j,
,都存在正整数k,使得
”,则称数列
具有“性质P”.
(1)判断数列
和
是否具有“性质P”,并说明理由;
(2)若公比为
的无穷等比数列
具有“性质P”,求首项
的取值集合;
(3)若首项
的无穷等差数列
具有“性质P”,求公差d的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b71af6590f0f369c164a054a8b63bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4654db8df46552ead8781a1dd2f06d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)判断数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15ffa7fecea3704dc892ea8cd513c59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd08688cf3fe3b888ece29a6b22152b2.png)
(2)若公比为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
(3)若首项
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次
5 . 已知在每一项均不为0的数列
中,
,且
(
,
为常数,
),记数列
的前
项和为
.
(1)当
时,求
;
(2)当
,
时,求证:数列
为等比数列;
(3)在满足(2)中条件时是否存在正整数
,使得不等式
对任意
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/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639a6bb038215e3615f53ce2faf9f93f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96d044f6dfcfa5f5d88b32981a888b9.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/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeb9a94e392f6759b18abed89aacc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f970f380a12c843bb4a74ff34a15b2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbeede118c407a800b05757b9a1393e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ccf5dbc6bf9cab46c3c9a6a11c84fcd.png)
(3)在满足(2)中条件时是否存在正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ecce6bf54d9afecb470ce2469397cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
6 . 对于有限数列
,
,
,
,定义:对于任意的
,
,有:
(i )
;
(ii )对于
,记
.对于
,若存在非零常数
,使得
,则称常数
为数列
的
阶
系数.
(1)设数列
的通项公式为
,计算
,并判断2是否为数列的4阶
系数;
(2)设数列
的通项公式为
,且数列
的
阶
系数为3,求
的值;
(3)设数列
为等差数列,满足-1,2均为数列
的
阶
系数,且
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ddcdb2da504ba468d10e26134b46327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d7da87286b3dd83f0e7d4e5b496eac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c70fdfa2d88876d54feb6d890204e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5d5bdce735c2dbe4bc07727c119459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf5776ec7059c208daf01ca48a34915.png)
(i )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8329865917b8a177cafbba3c80ee1563.png)
(ii )对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686b332872c51b433befe65fbe773380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4632dd98afcce0d49f5f4b438dab024d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf5776ec7059c208daf01ca48a34915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da493db80b421a09904f1aea6a8576a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(1)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a89d99d11a58a2e6ac83d0d6d2a5119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18841a2d420196560e6d4df505cc4063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecb42a8b2956bcbdc702f2675862405b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8040c494c55340314d0681aaa5a0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-03-11更新
|
1154次组卷
|
14卷引用:上海市实验学校2022届高三下学期开学考试数学试题
上海市实验学校2022届高三下学期开学考试数学试题(已下线)4.2 等比数列(第2课时)(六大题型)(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)北京市昌平区2021届高三二模数学试题北京市顺义区第一中学2022届高三10月月考数学试题北京市一六一中学2022届高三2月自主测试数学试题北京市2022届高三普通高等学校招生全国统一考试数学模拟试题北京市西城区第一六一中2021-2022学年高三下学期开学数学试题北京市海淀区首都师范大学附属中学2023届高三下学期2月阶段性质量检测数学试题(已下线)4.3.2.2 等比数列的前n项和的性质及应用(练习)-2022-2023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)北京卷专题18数列(解答题)北京市一六一中学2022届高三下学期开学考数学试题北京市第五十五中学2023-2024学年高二上学期期中调研数学试题(已下线)专题03 条件存在型【讲】【北京版】2北京理工大学附属中学2023-2024学年高二下学期期中考试数学试卷
名校
解题方法
7 . 1.设数列
中前两项
、
给定,若对于每个正整数
,均存在正整数
使得
,则称数列
为“
数列”.
(1)若数列
为
、
的等比数列,当
时,试问
与
是否相等,并说明数列
是否为“
数列”﹔
(2)讨论首项为
、公差为
的等差数列
是否为“
数列”,并说明理由;
(3)已知数列
为“
数列”,且
,
,记
,其中正整数
,对于每个正整数
,当正整数
分别取1、2、…、
时,
的最大值记为
,最小值记为
,设
,当正整数
满足
时,比较
与
的大小,并求出
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a22f5023293a85d8381277769d68dc.png)
![](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/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53c09fba64f3bc86dac3e29bf56b018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b608c12c4e7b9e6d7561be763c6733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a22f5023293a85d8381277769d68dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9dae8e6c9b93458f324f30538a3eb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0055ef3b9c21a572f6cc0a79cdce9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a22f5023293a85d8381277769d68dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)讨论首项为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(3)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bae03ee4ac75dacfb026290e4207dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f966272f7781790ff27e40db6b525253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a07186f6469ba083a12864ddee551246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918893290e48bba154bd5a14a805f10f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aadf9ab510510120699c5eee39ab18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf57ba4761db4d3fc993ae5815325bb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddad3d9fdb5e9951b6a1c31f9a72a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a625b91e0eba33b107550ee2a1e2f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717d039b3a4967ca6b0a899bfd12a83b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268b0a589ddfd494ebc898a556c260bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95931effbd59c43e8ed1ea09962b84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
您最近一年使用:0次
2021-12-10更新
|
808次组卷
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4卷引用:上海市上海师范大学附属中学2020-2021学年高一下学期期末数学试题
上海市上海师范大学附属中学2020-2021学年高一下学期期末数学试题上海市格致中学2022届高三上学期12月月考数学试题江西省安福中学2021-2022学年高二上学期开学考试数学(理)试题(已下线)专题03 《数列》中的压轴题-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)
8 . 对于函数
,若
,则称
为数列
的“本源函数”
(1)设数列
的“本源函数”为
,且
,
,求实数m的值;
(2)已知数列
的“本源函数”为
,
,
,在数列
中删除数列
中的项后,余下的项按原来顺序组成数列
,求
;
(3)记
表示不超过实数u的最大整数.若数列
的“本源函数”为
,且
,
,
为数列
的前n项的和.证明:对满足
的任意实数a,b,数列
中有无穷多项属于开区间
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760415f9629beb699f527067c6c7575c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2c1ac861aad057fbe7734cae19f1b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9369e65f7491aa6579a5e47ff3b30f67.png)
(2)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d01cb00904ee16178c7c35d7e0a8d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f8f7f0711e448f814d652a7ef34444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b81fe746d977b09f444dfbe623448a.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbef9b8bd0b3ac7573e2c9783186e982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5d2923970e8338161f8617e636a709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4123422b5a6621da6a3214aa8c3e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72cb42c64b5cb96d6d2ac7b2c5f9cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a23dac2ae213b5f4879b14b26b9268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
您最近一年使用:0次
9 . 对于由m个正整数构成的有限集
,记
,特别规定
,若集合M满足:对任意的正整数
,都存在集合M的两个子集A、B,使得
成立,则称集合M为“满集”,
(1)分别判断集合
与
是否为“满集”,请说明理由;
(2)若
由小到大能排列成公差为d(
)的等差数列,求证:集合M为“满集”的必要条件是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14f5fdf0e4f9de36f08402dd96d237e.png)
或2;
(3)若
由小到大能排列成首项为1,公比为2的等比数列,求证:集合M是“满集”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e495e34870eb6eef8486f88e567c7e72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b9cd59e58555bfc92257ba31d16794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44aed8cc107aecae26873891bfdc5f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf084cdb896062c63e919adf38352d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01a90899f08d43e7f1b945b96aae753.png)
(1)分别判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4804e8c356d6aa5b0d645fed77fec88f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee5d150c4bf3836b14db9cd1017aeacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20655342f9ace8b50a50f5eae6f37beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e789387bf82c893b83cb8f2007f060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14f5fdf0e4f9de36f08402dd96d237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f0913464ddee73888f859ec6ad1696.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20655342f9ace8b50a50f5eae6f37beb.png)
您最近一年使用:0次
2020-12-27更新
|
825次组卷
|
4卷引用:上海市松江区2021届高三上学期期末(一模)数学试题
上海市松江区2021届高三上学期期末(一模)数学试题上海市松江区2021届高三高考数学一模试题北京市人大附中朝阳学校2020-2021学年高二下学期数学统测试题(已下线)考点47 推理与证明-备战2022年高考数学(文)一轮复习考点帮
2020高三·上海·专题练习
10 . 设
,
满足递推关系
,初值条件
.令
,即
,令此方程的两个根为
、
,若
,则有
(其中
),若
,则有
(其中
).
证明:如果数列
满足下列条件:已知
的值,且对于
,都有
(其中
、
、
、
均为常数,且
,
,
),那么,可作特征方程
.
(1)当特征方程有两个相同的根
(称作特征根)时,若
,则
,
;若
,则
,
其中
,
.
特别地,当存在
使
时,无穷数列
不存在;
(2)当特征方程有两个相异的根
、
(称作特征根)时,则
,
,其中
,
(其中
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11afb610afef770a3927d3f43423004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfb19f0c37a72b33083ae9319f11a74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77320e643bdaf88ba8ae88be8dd4dfea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6bcfdd99dc17c7849095ce1e9f2530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f76bb60e54410f2146349c1b8a62859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f333263260646c494225db8a7476c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b7f78550b99977a4c5a9600f26936b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e127a8a6258284b9289b2f5ce51b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/114fd36d5f85fc927344a507fee158f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0abd8d57d7deb4c3cb59a2f8bebaa7d1.png)
证明:如果数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3baf2e44c62016d2e519a5ee7c13ec19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992f1c63efb257ea61c2c2515400ceb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790fd1b4fe3a98055b08bcb9d332f072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c68634f6b6ca282c408e075809c6789b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c24b5fa851cae6fc9d289412fef919.png)
(1)当特征方程有两个相同的根
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47769ca08edfa79fc200b9f37d197335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3ac862051caf821465580fdebc5e1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3d56df807ed171127cfe53d68c9e59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58d13f3186462f976d4921066cc3783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea90e8ed89e3c43a0bd1cb1a654c81c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
特别地,当存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c55f3b870ec43e1c778b2acd532e718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390981c620bdce40320fa196cc75f85f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)当特征方程有两个相异的根
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b5dc876d7dcd3c971b36d26668b1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7345f310975ddb40dca94b5135c35dad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1306b4a37f5c966737f4c07c6b40262e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6052302df2bb03ecb01b6713bc7ec291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7129d04a40722e38b656a126c2267575.png)
您最近一年使用:0次
2021-01-07更新
|
749次组卷
|
4卷引用:重难点02 数列(特征根法与不动点法)-2021年高考数学【热点·重点·难点】专练(上海专用)
(已下线)重难点02 数列(特征根法与不动点法)-2021年高考数学【热点·重点·难点】专练(上海专用)(已下线)专题10 数列(难点)-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)(已下线)第4章 数列 单元综合检测(难点)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)(已下线)专题10 数列通项公式的求法 微点8 不动点法