真题
解题方法
1 . 已知m,n为正整数.
(1)用数学归纳法证明:当
时,
;
(2)对于
,已知
,求证
,
;
(3)求满足等式
的所有正整数n.
(1)用数学归纳法证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc3e5be1796493161a4df7e28a6f6b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d201fdbbff12486f31b5688fc0a0747e.png)
(2)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831608f09609c37f757f5bfcd01253f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186c794ebbde3237056af29cb97778f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c70b3e66c0852233e54c1ba772fa97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91f85fc4d2f3894351dd2c4d4f5c975.png)
(3)求满足等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a4cace6fc5c0f94904a33a643adadf.png)
您最近一年使用:0次
2022-11-09更新
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1343次组卷
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4卷引用:2007年普通高等学校招生考试数学(理)试题(湖北卷)
2007年普通高等学校招生考试数学(理)试题(湖北卷)江苏省苏州市吴中区2018-2019学年高二下学期期中数学(理)试题(已下线)专题1 数学归纳法及其变种 微点1 数学归纳法(已下线)第二篇 函数与导数专题4 不等式 微点2 伯努利不等式
2 . 已知以
为直径的半圆有一个内接正方形
,其边长为1(如图).设
,作数列![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9568fb229373710ad4724cc3f477dfca.png)
;求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294726f8e596ce099d050ebcd538e421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9568fb229373710ad4724cc3f477dfca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5372953a9418602a7ed89b5421a47c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e1f83f40a593ee29894f670f4bf24e.png)
![](https://img.xkw.com/dksih/QBM/2022/11/9/3105787452817408/3105824076627968/STEM/eb347e351cf84c4f8722c9a8545340b1.png?resizew=222)
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3 . 对于每项均是正整数的数列
,定义变换
将数列A变换成数列
.对于每项均是非负整数的数列
,定义变换
将数列B各项从大到小排列,然后去掉所有为零的项,得到数列
;又定义![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff9686b94826bacb9447d72aa59f496.png)
.设
是每项均为正整数的有穷数列,令
.
(1)如果数列
为5,3,2,写出数列
;
(2)对于每项均是正整数的有穷数列A,证明
;
(3)证明:对于任意给定的每项均为正整数的有穷数列
,存在正整数K,当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281440c5e428da28c0a40fecbb87a83a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ca40abb85f4e8c8971e7a1751be372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05725d689ad4c7f7c1af29ccaa21d5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8f9e6a72e004b1b3c6f903b530be575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb60f7bb6b97c008d1b9235936e100a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703a1c5f9bc7d613496689a861bb0de5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff9686b94826bacb9447d72aa59f496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ef999b54fac369aa3b9939d9e9ad61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1547922f21a55e6cf6d15f1492e544f6.png)
(1)如果数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
(2)对于每项均是正整数的有穷数列A,证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb314761684dddad5606738c67b790b.png)
(3)证明:对于任意给定的每项均为正整数的有穷数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b6ba2966874d33da6b94662d7cb23b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291de980856351b0dd6582f33ab4d288.png)
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4 . 已知数列
满足
,并且
(
为非零参数,
).
(1)若
成等比数列,求参数
的值;
(2)设
,常数
且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6c7c4c02de4c67f60d31ed1139bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4159df4d2540cc3909c26128314e82e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ec0b97655e6bd7004df04457c493ac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc321d11e01d8b1ef4879278eb385f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540ccd15435aa2d59e809d6a28fb2467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b08c58baacec3cd0c0a06e267fa9ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835c74bbb8c61dd2d2f008664a8c8810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d24a95bc29ae9f73c7f88a6b30fdbd.png)
您最近一年使用:0次
真题
名校
5 . 已知数列
满足:
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8094aae498aec981ce621a032007ce26.png)
.记
集合
.
(Ⅰ)若
,写出集合
的所有元素;
(Ⅱ)若集合
存在一个元素是3的倍数,证明:
的所有元素都是3的倍数;
(Ⅲ)求集合
的元素个数的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87397e6df8ed820638eea31e403a94b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69552a67ba83e9c4a70901a5d49a8519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8094aae498aec981ce621a032007ce26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a765bfd025a46459618f5ef76321696a.png)
集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21550abb7c545b53cd2336a7a76885fb.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ecf69901899bba130968c7a091790d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(Ⅱ)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(Ⅲ)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2016-12-03更新
|
3108次组卷
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13卷引用:2015年全国普通高等学校招生统一考试理科数学(北京卷)
2015年全国普通高等学校招生统一考试理科数学(北京卷)北京五十七中2017-2018学年高二上学期期中考试数学试题北京市育才学校2022届高三12月月考数学试题北京市第三十五中学2021-2022学年高二6月月考数学试题北京市昌平区第二中学2023届高三上学期期中考试数学试题北京市第十二中学2023届高三上学期12月月考数学试题北京市八一学校2022-2023学年高二下学期3月月考数学试题(已下线)重组卷05北京市石景山区京源学校2022届高三高考数学适应性试题北京市育英学校2022-2023学年高二下学期期末练习数学试题北京十年真题专题06数列(已下线)专题21 数列解答题(理科)-4专题14数列
6 . 已知
是由非负整数组成的无穷数列,该数列前n项的最大值记为
,第n项之后各项
,
…的最小值记为
,
.
(1)若
为2,1,4,3,2,1,4,3…,是一个周期为4的数列(即对任意n∈N*,
),写出
的值;
(2)设d为非负整数,证明:
(n=1,2,3…)的充分必要条件为
为公差为d的等差数列;
(3)证明:若
,
(n=1,2,3…),则
的项只能是1或2,且有无穷多项为1.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090426eb29836bc30c006b3739c08057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39222f0687c9124bddb35544bcc7798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8c4312e4b482794178f8b34e61a1302.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a662a381e0867ce9d871c7a8e71f0d37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ed9fa2d3ae8c7d15b7da794aff4c62.png)
(2)设d为非负整数,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318108e4221f00c6d3256751df684a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f99489791db717b082bd96abb88c55e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次
2016-12-02更新
|
2626次组卷
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6卷引用:2013年全国普通高等学校招生统一考试理科数学(北京卷)