1 . 已知数列
共有
项,且
,若满足
,则称
为“约束数列”.记“约束数列”
的所有项的和为
.
(1)当
时,写出所有满足
的“约束数列”;
(2)当
时,设
“约束数列”
为等差数列.请判断
是
的什么条件,并说明理由;
(3)当
时,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2ea5126ca30d68cc8b70f03860ba2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf1336dd233a8630e7266f0a83dea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b2ef4791e2c7b4c39194e4a4ce098f.png)
![](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/b1752474698cd5466dd180df0a00ba9c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b15324287c0c631960345a3268b9f1a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d973faacf520a9af8e193979a6e3b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07e175fd880e7ba92c300ede3cdc570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ee986f3e8addc977c78f5f82e8f18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9ec8f698aefd97055d6dc32a5f13e1.png)
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2 . 已知数列
,则它的第8项为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f2564ee88b0c3a87482223c317417f0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
3 . 在党中央的“棈准扶贫”政策支持下,小王2023年底获得了扶贫免息贷款10000元,并于2024年1月初用于他的农产品加工销售创业项目,因产品质优价廉,上市后供不应求。据前两个月的经营情况测算;在一定时期内(不低于一年),每月获得的利润可稳定在该月月初投入资金的
.为了提高利润,需加大投入,于是每月月底将本利扣除房租水电等成本(由于扶贫政策,成本可稳定在1000元)后的余款继续投入到下个月再加工销售.设1月月底本利扣除成本后将要投资到下个月的资金是
,以此类推,2月月底是
,
月月底是
.
(1)求
;
(2)求
与
的关系(表示成
(
,
为常数)的形式);
(3)求
,并预估小王在2024年(1月初至12月底)的年利润.
(参考数据:可取
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9fd62e62750b30638385031737f89.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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090426eb29836bc30c006b3739c08057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f078744c54ed52bfd04939b66861f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(参考数据:可取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc726bb9d916db5b3f8b035d1bcc7c91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8f26b79c127894ee90a5d5348b3e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f3fc25f4b11e4b0364a706afec073c.png)
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2024高三·全国·专题练习
4 . 已知无穷数列![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a7df03530e86e1645a8f4e1920ead8.png)
(1)求出这个数列的一个通项公式;
(2)该数列在区间
内有没有项?若有,有几项?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a7df03530e86e1645a8f4e1920ead8.png)
(1)求出这个数列的一个通项公式;
(2)该数列在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ee4bd0e5cf9ee2e7d56769986601e0.png)
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5 . 如图,射线
在第一象限,且与x轴正半轴的夹角为
,过点
作
于点A,作线段
的垂直平分线
交x轴于点E,交
于点B,作射线
,以
为边在
的外侧作正方形
,延长
交射线
于点
,以
为边在
的外侧作正方形
,延长
交射线
于点
,以
为边在
的外侧作正方形
……按此规律进行下去,则正方形
的周长为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b12d69150197ca89bac4a76851eaf0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76d76d91b21a5be2bb58446c7104bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062f62f8e6962504213178df9186b70b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7dc2fe5d920e74d0941b8c1db9ec04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551d9dbea6e2147f1a626e58ce6e871c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3cd866636143a514b95de563e43833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34876d748f30fa4fc2eb6a686b5ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d098990cc285dce3b41e9f7d26275b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e90dc669b9929e5857a5bba95d6ce1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ba42cd8dff520c1da49d754e77cc09.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/f3512b2e-c6f9-44bb-85b2-99759d8a295a.png?resizew=167)
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6 .
表示正整数a,b的最大公约数,若
,且
,
,则将k的最大值记为
,例如:
,
.
(1)求
,
,
;
(2)已知
时,
.
(i)求
;
(ii)设
,数列
的前n项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6294a700967de01e6877d686a0e2e79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4160299bf93e7827b97bc5cbb224958e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c95177c5f6454d2de54bb7b0c182ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae4b8114fcc770a8512cf03da137ca4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edd29e22f6a7f4d14d9f8d2684d47e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5491950d23d0f3833de05cc3892cacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a7f848e0002222e3fe290e50301e3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ccc57e5668f2a2c1cbc078a767b6855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16edf0bda2c47ed55f471a1838cd03dc.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853030075597faf459bec65cd5e0b910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8178596507fe45cea77096a53d6395.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce2bf4a86671ab5cefa4d523d8a0fa2.png)
(ii)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beafadba27d9c078bae7761a2b383803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b61920582cc3edd43e273e0cbfa1d4.png)
您最近一年使用:0次
2024-03-26更新
|
1816次组卷
|
8卷引用:福建省泉州市2024届高三质量监测(三)数学试题
福建省泉州市2024届高三质量监测(三)数学试题广东省佛山市顺德区第一中学西南学校2023-2024学年高二下学期第一次月考数学试卷四川省成都市实验外国语学校2023-2024学年高二下学期第一次阶段考试数学试题辽宁省重点高中沈阳市郊联体2023-2024学年高二下学期4月月考数学试卷(已下线)模块五 专题3 全真能力模拟3(人教B版高二期中研习)(已下线)模块四专题6重组综合练(四川)(8+3+3+5模式)(北师大版高二)(已下线)压轴题05数列压轴题15题型汇总-3重庆市第十一中学校2023-2024学年高三第九次质量检测数学试题
解题方法
7 . 某种生命体M在生长一天后会分裂成2个生命体M和1个生命体N,1个生命体N生长一天后可以分裂成2个生命体N和1个生命体M,每个新生命体都可以持续生长并发生分裂.假设从某个生命体M的生长开始计算,记
表示第n天生命体M的个数,
表示第n天生命体N的个数,则
,
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87ea014220aa658c8baa6e1f43e686a2.png)
A.![]() | B.数列![]() |
C.![]() | D.若![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 设
是数列
的前
项和,已知数列
的通项公式为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06d93cbfd1c4b8785f8bd4799eb44c5.png)
(1)是否存在正整数
,使得
成立?若存在,求出
;若不存在,请说明理由;
(2)设
,若存在正整数
,使得
立,求
的取值范围.
![](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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06d93cbfd1c4b8785f8bd4799eb44c5.png)
(1)是否存在正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8216931e4aeb4eb03f5f447ee0ab99f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b8e5990ef4ef314941a3154457a9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ce376f72f102bd6f3c969c839049f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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9 . 甲同学通过数列3,5,9,17,33,…的前5项,得到该数列的一个通项公式为
,根据甲同学得到的通项公式,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298221c8defd3345163ec496b01377fe.png)
A.![]() | B.![]() |
C.该数列为递增数列 | D.![]() |
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2023-12-23更新
|
519次组卷
|
4卷引用:第五章:数列(单元测试)-2023-2024学年高二数学同步精品课堂(人教B版2019选择性必修第三册)
(已下线)第五章:数列(单元测试)-2023-2024学年高二数学同步精品课堂(人教B版2019选择性必修第三册)(已下线)1.1.1 数列的概念(分层练习)-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第二册)江西省宜春市丰城市东煌学校2023-2024学年高二下学期3月月考数学试题湖南省百校大联考2023-2024学年高二上学期12月联考数学试题
解题方法
10 . 已知函数
,对于数列
,若
,则称
为函数
的“生成数列”,
为函数
的一个“源数列”.
(1)已知
为函数
的“生成数列”,
为函数
的“源数列”,求
;
(2)已知
为函数
的“源数列”,求证:对任意正整数
,均有
;
(3)已知
为函数
的“生成数列”,
为函数
的“源数列”,
与
的公共项按从小到大的顺序构成数列
,试问在数列
中是否存在连续三项构成等比数列?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0914c295f572c98dd043d4f84268934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9599b8c0f6a10d15f408ad651b35c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f6425080aabe41f002230dd5f59ca32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e586e28b5e2d892e5280a912653bb12.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72878dfe2c7a76d76287194ac4bdf4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/729b4033af5b0c9c4889406d2c8294f7.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a386e4d3f92631ed64ca3e2f5f4725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.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/57ef6d44448092ebdb9e4a49d866a749.png)
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