1 . 牛顿数列是牛顿利用曲线的切线和数列的极限探求函数
的零点时提出的,在航空航天领域中应用广泛.已知牛顿数列
的递推关系为:
是曲线
在点
处的切线在
轴上的截距,其中
.
(1)若
,并取
,则
的通项公式为__________ ;
(2)若取
,且
为单调递减的等比数列,则
可能为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002f56900c2924bfd79fc3865b0a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641fec779880f75fa8ee6782f3350402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a582927de6e549053dfec41d5f9008a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
(2)若取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6073fc52cd10164c1313dd96069b8d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0816dbd5a00f2a404b272c1521d3c2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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23-24高二下·全国·课前预习
2 . 知识点03等比数列的单调性
等比数列
的首项为
,公比为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(1)当___ 时,数列为递增数列;
(2)当___ 时,数列为递减数列;
(3)当_____ 时,数列为常数列:
(4)当_______ 时,数列为摆动数列.
等比数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29518f13a1ebc3fff8181c2d7cfba22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b42791b77924729f7e31712177b26af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(1)当
(2)当
(3)当
(4)当
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解题方法
3 . 某工厂通过改进生产工艺,最终使某产品每个月的合格率都达到99%.该工厂于2023年12月份接到某企业的生产订单,从2024年1月开始生产该产品,第一个月产量为1万件,以后每个月的产量都在前一个月的基础上提高
,则下列说法正确的是( )
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f733b1ceeead9ff892539d46a23f3626.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac57d6b171ab6bf190b16f774e5688e.png)
A.从2024年1月份开始每个月的产量成等差数列 |
B.从2024年1月份开始每个月的产量成等比数列 |
C.2024年全年每个月生产的不合格产品数都不会超过300 |
D.2024年全年中可能存在某个月生产的不合格产品数超过300 |
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2024高三·全国·专题练习
4 . 数列可以看成是定义在自然数集上的整标函数
.请你根据自己的学习体会,说一说把数列作为函数研究的情形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695950fe16f7972182bd2d0864e12feb.png)
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名校
5 . 我国生物科技发展日新月异,其中生物制药发展尤其迅速,某制药公司今年共投入资金50万元进行新药开发,并计划每年投入的研发资金比上一年增加
.按此规律至少___________ 年后每年投入的资金可达250万元以上(精确到1年).(参考数据
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9fd62e62750b30638385031737f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b8465555be2ac80066552863d4f133.png)
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2022-12-03更新
|
503次组卷
|
4卷引用:黑龙江省哈尔滨市第三中学校2022-2023学年高一上学期第二次阶段性考试数学试题
黑龙江省哈尔滨市第三中学校2022-2023学年高一上学期第二次阶段性考试数学试题(已下线)4.3 等比数列(练习)-高二数学同步精品课堂(苏教版2019选择性必修第一册)(已下线)专题05 等比数列与数列综合求和-2023-2024学年高二数学期末复习重难培优与单元检测(人教A版2019)(已下线)1.3.1等比数列的概念(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)
名校
6 . 已知等比数列
的公比为
,前
项积为
,若
,且
,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.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/ab8274bc87e7222a2e8d3a6c6374665b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6822eb801b57d42560e3b3e9fbda54.png)
A.![]() | B.当且仅当![]() ![]() |
C.![]() | D.![]() |
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2022-11-19更新
|
1215次组卷
|
5卷引用:江苏省南京市江宁区五校2022-2023学年高三上学期期中联考数学试题
名校
7 . 试写出一个无穷等比数列
,同时满足①
;②数列
单调递减;③数列
不具有单调性,则当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2da0ff9dc73d62f8162fc3de186150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91adba8efbf964e9e35547b0fd0ea36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
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2022-11-10更新
|
633次组卷
|
5卷引用:专题6-1 等差数列,等比数列中性质应用(选填)-1
(已下线)专题6-1 等差数列,等比数列中性质应用(选填)-1(已下线)专题8 等比数列的单调性 微点2 等比数列单调性综合训练江苏省南通市海门市2022-2023学年高三上学期期中数学试题福建省福建师范大学附属中学2022-2023学年高二下学期期初考试数学试题(已下线)专题07 等比数列及其前n项和6种常见考法归类(1)
2022·全国·模拟预测
名校
8 . 已知等比数列
的公比为
,且
,记
的前
项和为
,前
项积为
,则下列说法正确的是( )
![](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/1a3f709de7a32885f7b204d834c9c35b.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.当![]() ![]() | B.当![]() ![]() |
C.当![]() ![]() | D.当![]() ![]() |
您最近一年使用:0次
9 . 已知数列
:
,
,…,
,其中
是给定的正整数,且
.令
,
,
,
,
,
.这里,
表示括号中各数的最大值,
表示括号中各数的最小值.
(1)若数列
:2,0,2,1,-4,2,求
,
的值;
(2)若数列
是首项为1,公比为
的等比数列,且
,求
的值;
(3)若数列
是公差
的等差数列,数列
是数列
中所有项的一个排列,求
的所有可能值(用
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/f8f766fe39702fecd2b6c21855757907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ac49ab7c8001c209b8611b9ea40d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33527f5f2178a3e7eb7df6cc0a676b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a146d1ac165f167e593bf6b03933e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0ce19d6ffec84ee7334568e933a95a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d841396c105ff03a35898d4b96587d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a146d1ac165f167e593bf6b03933e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07fd8291ffa0740c3f6d0233cd3a5568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0b65265063085f628e232c2c2a8338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9626c69b9ef5db5e22540c404c4a6f.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30072a9cd1d03b6cf2c62c85df63d940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1724a17ff17abe389c4decf0b5e7bd8c.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c8f394783e3687c602c7099cd420c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3012337aa392709349731fb1eef5b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92a355bfe012a120d10f677002922c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-05-06更新
|
1594次组卷
|
6卷引用:北京市西城区2022届高三二模数学试题
北京市西城区2022届高三二模数学试题(已下线)2022年新高考北京数学高考真题变式题13-15题北京市第九中学2022届高三下学期保温考试数学试题(已下线)重难点08 七种数列数学思想方法-1(已下线)2022年新高考北京数学高考真题变式题19-21题(已下线)北京市西城区2022届高三二模数学试题变式题16-21
10 . 下列说法正确的是______ .(填序号)
①数列
图像上的点都在函数
的图像上;
②数列
的图像与函数
的图像相同;
③函数
图像上存在满足数列通项公式
的点;
④数列
图像上可能存在不满足函数关系式
的点.
①数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69846737aef2dec0d01c56fe8a887eb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe49779f2db4a075d3241052eb87d8b.png)
②数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69846737aef2dec0d01c56fe8a887eb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe49779f2db4a075d3241052eb87d8b.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe49779f2db4a075d3241052eb87d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69846737aef2dec0d01c56fe8a887eb4.png)
④数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69846737aef2dec0d01c56fe8a887eb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe49779f2db4a075d3241052eb87d8b.png)
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