18-19高一下·上海浦东新·期末
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1 . (1)证明:
;
(2)证明:对任何正整数n,存在多项式函数
,使得
对所有实数x均成立,其中
均为整数,当n为奇数时,
,当n为偶数时,
;
(3)利用(2)的结论判断
是否为有理数?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d969abdb2f6638663e80e15bffd247.png)
(2)证明:对任何正整数n,存在多项式函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e89220eb96a4757f2988362bc04e80c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2b21d31f1bb8801b0117b49086a634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a68a728745bb3bd33917dc715c4fc945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bd42f8e3f220a7b1c6f6945e73bc10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feaffe7219b4b165cf67c7751dff8876.png)
(3)利用(2)的结论判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d82121ba82f39bb5e8068bd11ed6d74.png)
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2 . 对于数列
:
、
、
、
、
,若不改变
,仅改变
、
、
、
中部分项的符号(可以都不改变),得到的新数列
称为数列
的一个生成数列,如仅改变数列
、
、
、
、
的第二、三项的符号,可以得到一个生成数列:
、
、
、
、
.已知数列
为数列
的生成数列,
为数列
的前
项和.
(1)写出
的所有可能的值;
(2)若生成数列
的通项公式为
,求
;
(3)用数学归纳法证明:对于给定的
,
的所有可能值组成的集合为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d43796f47cacd92c3b7a7961f5ea0d06.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/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
(2)若生成数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed0cb100443c6a86b711e5dbd14b7ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)用数学归纳法证明:对于给定的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557e6a7b7d6691963acdf1d902e61332.png)
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2019-12-07更新
|
572次组卷
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2卷引用:上海市宝山区罗店中学2018-2019学年高二下学期期中数学试题
名校
3 . 已知
,则当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5643eec7a8b2ef7953016be47c19ab.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6268fd6bcc1e856658bb5632629d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e36bff57bcfa86432b340e25e51d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5643eec7a8b2ef7953016be47c19ab.png)
您最近一年使用:0次
2019-12-06更新
|
206次组卷
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3卷引用:上海市杨思中学2018-2019学年高二上学期期中数学试题
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4 . 数列
中,
,若
(1)求
;
(2)猜想数列
的通项公式,并用数学归纳法证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b515d8a658ba1a9e58ce4124796094a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79e07c85f5859e5bcb8f6f81df5b40a6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed529240a883f68f0921e818addeb9c8.png)
(2)猜想数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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2018·上海浦东新·三模
名校
5 . 设
,若无穷数列
满足:对所有整数
,都成立
,则称
“
-折叠数列”.
(1)求所有的实数
,使得通项公式为
的数列
是
-折叠数列;
(2)给定常数
,是否存在数列
,使得对所有
,
都是
-折叠数列,且
的各项中恰有
个不同的值?证明你的结论;
(3)设递增数列
满足
.已知如果对所有
,
都是
-折叠数列,则
的各项中至多只有
个不同的值,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a949b947e9961d4d68bfeb4e24ef40f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98251cd3c3e36825493a3f83b0ac9d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9cdd87bcc6088bea7dc1f24387b0502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)求所有的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6290fabfee064ca7296364c2011c16ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
(2)给定常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270672a95f2a5349bc440c53b5dd4a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a949b947e9961d4d68bfeb4e24ef40f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dbc76e88046029a006e48b6b58823d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbf39f278f6fcfbd30de4a1ad65e5bf.png)
(3)设递增数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4818b2c2d51316638cf39039d6cb4d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74927b7593fd0b4f218b3806e3025dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a949b947e9961d4d68bfeb4e24ef40f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681ae1522a36768618f7ddaf74abbb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b037996f28c91402cff9c883c99a8e6.png)
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6 . 已知数列
满足
,
,
,则下列结论成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352d9b76dcf639368fa68cae70149802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9169d88a4a62e797888060629f0c7cb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2019-11-29更新
|
670次组卷
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5卷引用:重庆市重庆市渝中区巴蜀中学2019-2020学年高考适应性月考卷(三)数学(文)试题
重庆市重庆市渝中区巴蜀中学2019-2020学年高考适应性月考卷(三)数学(文)试题(已下线)考点27 数学归纳法-备战2022年高考数学一轮复习考点帮(浙江专用)(已下线)第4章 数列(培优卷)-2021-2022学年高二数学新教材单元双测卷(苏教版2019选择性必修第一册)(已下线)专题01 《数列》中的典型题-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)人教B版(2019) 选修第三册 一举夺魁 第五章 5.5 数学归纳法
7 . 证明命题“凸
边形内角和等于
”时,
可取的第一个值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b161dcc1ab8044ae5daf010d320db651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2019-11-20更新
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138次组卷
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2卷引用:沪教版 高二年级第一学期 领航者 第七章 7.4数学归纳法
8 . 用数学归纳法证明等式
的过程中,从
到
时,等式左边所需添加的项是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a7d5a70eb01956de9f1286bfcabcbf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef7ca2b3e8061384501f668e59696a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba21f3d0cfc86d40e2e06446623ce0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-11-20更新
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188次组卷
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4卷引用:沪教版 高二年级第一学期 领航者 第七章 7.4数学归纳法
9 . 已知
,
,
,
.
(1)比较
与
的大小;
(2)比较
与
大小,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e8ba914a6633cc7d473f43d0c00218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6af757812f3d07deb6bb6079df8605c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
(1)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252401d2f21b786f8ce187fff2c4913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41bc13ed73577143311b11a1921a73b.png)
(2)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1331dd807837309346d1763a4101045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f637a84023d386c2fcac750dd4265d.png)
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10 . 用数学归纳法证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d3e784f611dd6fd6cec28c6378cea5.png)
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