2023高二上·江苏·专题练习
解题方法
1 . 已知无穷数列A:
,
满足:①
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed39e20a9dbb75b4b21260d27df85b90.png)
且
;②
,设
为
所能取到的最大值,并记数列
:
,
,….
(1)若数列A为等差数列且
,求其公差d;
(2)若
,求
的值;
(3)若
,
,求数列
的前100项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c990e50aad1de332b6f9894634e6acfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed39e20a9dbb75b4b21260d27df85b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eab47e3541d23a4cacac915d4384e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a49997086be2e13a271a4a7b1d4c399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9a668c71d17815323b7ec482fd2cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d00457e8d086f28ea1b24bd880c9848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f766f204cf98d973ad5abe03b235e95a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6398ba56f5a708d2d85a02320e1a389d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce8c641c42b6cd7f44c477bbe5761a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7488ed7332650aa2bc908edbd38c05e8.png)
(1)若数列A为等差数列且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8323901a49cac29afd7d62864f088077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7104dd8a81267b6c15ceedcefccfa20.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6398ba56f5a708d2d85a02320e1a389d.png)
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2 . 以下四个命题,其中满足“假设当
时命题成立,则当
时命题也成立”,但不满足“当
(
是题中给定的n的初始值)时命题成立”的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/469410cf8d7cd28620a58363cb5cbb6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba21f3d0cfc86d40e2e06446623ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ca4f2b82d9d7a8323c8d697338a6a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7e9f86738335a22298559db41037a4.png)
A.![]() |
B.![]() |
C.凸n边形的内角和为![]() |
D.凸n边形的对角线条数![]() |
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2023高二上·江苏·专题练习
3 . 用数学归纳法证明不等式
的过程中,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48cf5170a458a3c5d0ece2d1beaa8834.png)
A.使不等式成立的第一个自然数![]() |
B.使不等式成立的第一个自然数![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
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2023高二上·江苏·专题练习
4 . 用数学归纳法证明:
时,从
推证
时,左边增加的代数式是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a21863950f4c365667edfcc5b6ae8d.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
名校
解题方法
5 . “
”表示实数
整除实数
,例如:
,已知数列
满足:
,若
,则
,否则
,那么下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ea1aed56c455d77bd3c96b9129d1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e1c681b27df538bd4742f6cd8298ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cefeddf71dca8ae824328df3f0e5e1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c185ce550ab6fa8f0226e237d6d881d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5520432944173c414edf716f22c41067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3172a2dfbce3ce32fd909ff548e75b26.png)
A.![]() | B.![]() |
C.对任意![]() ![]() | D.存在![]() |
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6 . 设
,用数学归纳法证明:
是64的倍数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1351575c790756b8296032e865b81d2.png)
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2024-03-16更新
|
93次组卷
|
7卷引用:苏教版(2019)选择性必修第一册课本习题 习题4.4
苏教版(2019)选择性必修第一册课本习题 习题4.4(已下线)4.4 数学归纳法(2)(已下线)5.5数学归纳法(分层练习,6大题型)-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)5.5 数学归纳法(2知识点+6题型+强化训练)-【帮课堂】2023-2024学年高二数学同步学与练(人教B版2019选择性必修第三册)(已下线)专题4.4 数学归纳法(2个考点四大题型)-2023-2024学年高二数学《重难点题型·高分突破》(苏教版2019选择性必修第一册)(已下线)4.4 数学归纳法(6大题型)精练-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册) (已下线)4.4数学归纳法——课后作业(巩固版)
名校
解题方法
7 . 下列命题正确的有( )个
(1)若数列
为等比数列,
为其前n项和,则
,
,
也成等比数列;
(2)数列
的通项公式为
,则对任意的
,存在
,使得
;
(3)设
为不超过实数x的最大整数,例如:
,
,
.设a为正整数,数列
满足
,
,记
,则M为有限集.
(1)若数列
![](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/0f30f56664446f32dbbc2c5f12a99374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b0ed9533c1ea30a87249539a005e62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48e167c9bcef9eb89d7a456d8ca21b7.png)
(2)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7476db4d8d32edf309372a3ef067b839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec25b9d7ca47b780a744c2ebbf31d925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6b18b109a656b62fb173680ae99ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4004a42ff7dc0afb6d53c73859e7c49b.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3420606c96b68fb884c839923fd20a25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5971b06a0758bb830c4e09a25bb665a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fb370b8bd5422314299f1dd4f1ec25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c4cdcb32e3a0ce527c13978c022a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4b0cd80d95662729de6af4fa5add73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3440756e96122c23a882a4592b45b4f2.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2024-03-16更新
|
75次组卷
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5卷引用:上海市上海师范大学附属中学2022-2023学年高二下学期3月月考数学试题
上海市上海师范大学附属中学2022-2023学年高二下学期3月月考数学试题(已下线)专题7 等比数列的性质 微点2 等比数列前n项和的性质(已下线)专题17 数列探索型、存在型问题的解法 微点1 数列探索型问题的解法(已下线)专题4.4 数学归纳法(2个考点四大题型)-2023-2024学年高二数学《重难点题型·高分突破》(苏教版2019选择性必修第一册)(已下线)专题04数列全章复习攻略--高二期末考点大串讲(沪教版2020选修)
2023高二上·江苏·专题练习
8 . 已知数列
满足
,
.给出下列四个结论:
①数列
每一项
都满足
;
②数列
是递减数列;
③数列
的前
项和
;
④数列
每一项都满足
成立.
其中,所有正确结论的序号是( )
![](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/35becfccb4eee2d53a0c92865ebb9b43.png)
①数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8ee21c9df773cac3417b0a29af1994.png)
②数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
③数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94351ce858fa3f3a09cfadc2d23d7253.png)
④数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1c4afd5d0ae01ea180a2e61fe51cef.png)
其中,所有正确结论的序号是( )
A.①② | B.①③ |
C.①②③ | D.①②④ |
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9 . 相传古希腊毕达哥拉斯学派的数学家常用小石子在沙滩上摆成各种形状来研究数,并根据小石子所排列的形状把数分成许多类.现有三角形数表按如图的方式构成,其中项数
:第一行是以1为首项,2为公差的等差数列.从第二行起,每一个数是其肩上两个数的和,例如:
;
为数表中第
行的第
个数.
和
;
(2)一般地,证明一个与正整数
有关的命题,可按下列步骤进行:①证明当
时命题成立;②以“当
时命题成立”为条件,推出“当
时命题也成立.”完成这两个步骤就可以断定命题对
开始的所有正整数
都成立,这种方法即数学归纳法.请证明:数表中除最后2行外每一行的数都依次成等差数列,并求
关于
的表达式;
(3)若
,
,试求一个等比数列
,使得
,且对于任意的
,均存在实数
,当
时,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5d0a73f50b3e4583f1c1b6d6bf0d18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008c3c308a9a18f5a3bad6c67cacf113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdab9718ae9ad2732585fa25b760a956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242d5f694c3c7c9530f5ef0cd1447b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1192d0aa416fc19f7f4b842cf6717808.png)
(2)一般地,证明一个与正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2636b1b9ad69adc8b268d3513a59b7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/469410cf8d7cd28620a58363cb5cbb6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba21f3d0cfc86d40e2e06446623ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7e9f86738335a22298559db41037a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d85b80a9c97bd7106dcbfb34199b1e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f1ae8e6654806b02cd359fb484ea4e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e789526ee5eab677295edf78fefb00f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a92d4463e0a56109a13d60b640e0a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2995a87642de38c4a7c79c133fb2d1bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c83f7e578f082cbba0e39cff3c2c5da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc83e348654e938962f3fd0c04e023f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe9dbc75f393b682c8a90fe7277ab4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afaaa196735c0c02f05f97fda5534a4.png)
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2024-03-06更新
|
347次组卷
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2卷引用:湖北省云学名校联盟2023-2024学年高二下学期3月联考数学试卷
23-24高二下·全国·课前预习
10 . 判断正误,正确的写正确,错误的写错误
(1)应用数学归纳法证明数学命题时.
(2)用数学归纳法进行证明时,要分两个步骤,缺一不可.
(3)推证n=k+1时可以不用n=k时的假设.
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