名校
1 . 已知集合
,规定:若集合
,则称
为集合
的一个分拆,当且仅当:
,
,…,
时,
与
为同一分拆,所有不同的分拆种数记为
.例如:当
,
时,集合
的所有分拆为:
,
,
,即
.
(1)求
;
(2)试用
、
表示
;
(3)设
,规定
,证明:当
时,
与
同为奇数或者同为偶数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb813e225b094c636d38d0e0cfbd67b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea40e6c6055a63e7934f614e878940ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d114f15fa1bab95c647f87cedab26b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c3c3b06e4d829c5967bd76ab3d14ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623ff4c4d26a22d8ab9e6a70cadf6623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28faa23f36fcfc2aef9cc68f46b1c6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d114f15fa1bab95c647f87cedab26b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abdc216147253ff9697788764dc1ab93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8a97f873310fac16b20d730f7c4e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a871a43ca9e77e26f5c6b680c165e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b704d8979f50009bcb3ec36a07864d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b1fdd193767192adc5adcd772ae2b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da1c8d2d0ddab6eed4da334b0446849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a045201f479d99c868e5bac5632b211.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe036f3bc2712beea23557116fdac74c.png)
(2)试用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8a97f873310fac16b20d730f7c4e29.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9acc25eced79e4d6973d2edeb5628c92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ba78808895f5e4bd393fe7aa5b9a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ac49ab7c8001c209b8611b9ea40d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bb215f28e5eea7ff4c7ca5ee9e2216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-02-07更新
|
1130次组卷
|
8卷引用:上海市实验学校2022-2023学年高二上学期期末数学试题
上海市实验学校2022-2023学年高二上学期期末数学试题(已下线)6.5二项式定理(分层练习)-2022-2023学年高二数学同步精品课堂(沪教版2020选择性必修第二册)(已下线)第6章 计数原理(B卷·能力提升练)-【单元测试】2022-2023学年高二数学分层训练AB卷(沪教版2020选择性必修第二册)(已下线)第6章 计数原理(基础、常考、易错、压轴)分类专项训练-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)江西省吉安市峡江中学2023-2024学年高二上学期期末数学试卷(九省联考题型)(已下线)第六章 计数原理(压轴题专练)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第二册)(已下线)期中考试押题卷(考试范围:第6-7章)-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第二册)单元测试B卷——第六章 计数原理
2 . (1)若
,解不等式
;
(2)在
的展开式中,第k项,第
项,第
项的系数成等差数列,求n和k的值;
(3)设计一道排列组合的应用题,验证下面这个等式成立:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c50fb5615e36df436d747356b00d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe7796b57ad61a773f71f8a352b1a77.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e477d18c90dc2bda60c42475a5e2f3ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b00f4eb7f1bd2ccefbabf0c1dfa8f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4792fd59c4ca11ff03dc32e367c3983f.png)
(3)设计一道排列组合的应用题,验证下面这个等式成立:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca622cfc732a2a649815f13acfd1519a.png)
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2022高三·全国·专题练习
解题方法
3 . 已知
为正数,且
,试证:对每一个
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f00f997ae12c30f551adb834e1d7ef8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6392d04c51904508934e32b640c4b2cc.png)
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名校
4 . 已知数列
的首项为1,记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2711dcec2b499c0a8a7481fe0a301ef6.png)
.
(1)若数列
是公比为3的等比数列,求
的值;
(2)若数列
是公差为2的等差数列,①求证:
;②求证:
是关于
的一次多项式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2711dcec2b499c0a8a7481fe0a301ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0637a42313e1914a6fb1cadf1afda4.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d2775b6bd0885b697afb4209993fa.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2fc1d897837062f069747d9de5c88f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a95cb9161333c191b3e33d76139ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2021-04-23更新
|
670次组卷
|
3卷引用:江苏省连云港市灌南县2021-2022学年高二下学期期中数学试题
5 . 已知
,
(1)求
的值;
(2)若
且
,求
的值;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34482692c04dc24412372cabf5d71f3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315b06e1bcf77dd299f334086a3a2c0d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d028c46e515914407d36fbd607a86f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e65967bdeffe3e70e24c04d8aecae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c4f801be1b2b87caa8a05804156ddf.png)
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2013·江苏淮安·二模
名校
解题方法
6 . 已知
展开式的各项依次记为
.设函数
.
(1)若
的系数依次成等差数列,求正整数
的值;
(2)求证:
,恒有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7506bbf15ca5a2b36bba7e46f32df84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fc6513cbb3680c97b6a52dcd17fd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2951e58ef2f1f504bdb71bdee770bff8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909623749d94e2ce3f8873edab20e6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18fe74b9c8adc168f21a36951d8711d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9c39fa72f7a96bb1d24a5099ab933f.png)
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2016-12-04更新
|
570次组卷
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8卷引用:第03讲 二项式定理(核心考点讲与练)-2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)
(已下线)第03讲 二项式定理(核心考点讲与练)-2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)江苏省徐州市睢宁县第一中学2021-2022学年高二3月学情检测数学试题(已下线)2013届江苏省淮安市清江附中高三第二次调研测试数学试卷2016届江苏省扬州中学高三上学期12月月考数学试卷江苏省2018年高考冲刺预测卷一数学2016届上海市南洋模范中学高三5月三模数学试题专题11.2 二项式定理(练)-江苏版《2020年高考一轮复习讲练测》(已下线)专题20 计数原理(模拟练)