1 . 已知
,集合
其中
.
(1)求
中最小的元素;
(2)设
,
,且
,求
的值;
(3)记
,
,若集合
中的元素个数为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b0d89736a10c53998013df4a354396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8165d6243c2ce6dac87a9bcc2be577ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b76979d0a46e9b56e2f7f3e44c48423.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5031a3a951c4a1d1c5e9f80a5e26513.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8e702da77e0bd37abdd29d9b12992e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e6b5d77069ced356d738aea8e3efb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e56e0fa5fb1fc2a2dbd0a152812a1a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d103dda0bac3393c7544c4d0c8a37e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca1d86c9f078347773f700fee49d1d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d1ebce51879137ab48c506e9cdb0187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045c531b9582478b5f0ea99c7ccf686c.png)
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2024-04-18更新
|
1761次组卷
|
4卷引用:浙江省绍兴市2024届高三下学期4月适应性考试数学试卷
浙江省绍兴市2024届高三下学期4月适应性考试数学试卷(已下线)数学(九省新高考新结构卷03)(已下线)压轴题05数列压轴题15题型汇总-3上海市育才中学2023-2024学年高三下学期5月质量调研考试数学试题
名校
解题方法
2 . 高斯函数
是以德国数学家卡尔-高斯命名的初等函数,其中
表示不超过
的最大整数,如
.已知
满足
,设
的前
项和为
,
的前
项和为
.则(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1f05f5309cef367574296ca026946f.png)
_____ ;(2)满足
的最小正整数
为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e3204e4dc47a448860779349efcedf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550f1e666b07e52019b723b36aaa3a94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad3ffc988c854f33ac18384f21b1515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd041ebc813184e58745bc3eb0b13092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576b8a96318251cedee755512e73e7c9.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/c864a6109172f85c1901a94358f528cc.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/bb1f05f5309cef367574296ca026946f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602d6c39b85c6f4e8df3f3c6b32f5655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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名校
解题方法
3 . 已知数列
中
,关于
的函数
有唯一零点,记
.
(1)判断函数
的奇偶性并证明;
(2)求
;
(3)求证:
;
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f4d4fa1b049045d58a9571a0709004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072010cccaa77474c07b66816ce4ae92.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f4d4fa1b049045d58a9571a0709004.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f8c399c162dbd37d2aa304a4a3a1fd.png)
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4 . 已知数列
满足
,
.证明:
(1)
;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c759b9831188e3035f7dbb0349cda1.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6027a469b0e3927eb8fcaa714b4e9fbe.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1a64350027b9c133de8eaf804df845.png)
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2023-06-16更新
|
1062次组卷
|
6卷引用:浙江省嘉兴市2022-2023学年高二上学期期末数学试题
浙江省嘉兴市2022-2023学年高二上学期期末数学试题(已下线)专题11 数列前n项和的求法 微点10 数列前n项和的求法综合训练(已下线)第五章 数 列 专题1 数列中的不等关系的证明(已下线)第五章 数列 专题1 数列中的不等关系的证明(已下线)期末真题必刷压轴60题(23个考点专练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)(已下线)期末真题必刷压轴60题(22个考点专练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)
5 . 已知数列
,其中第一项是
,接下来的两项是
,再接下来的三项是
,依此类推.将该数列前
项的和记为
,则使得
成立的最小正整数
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0cd31453cf5178d82979e186a26a48f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e2e009fe6828bb84dd96033ce14780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94638e22c7b651217bf64c33e7f5cb1a.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/ad16298802719375ad4343c33ab4349f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
解题方法
6 . 数列
定义如下:
,
,若对于任意
,数列的前
项已定义,则对于
,定义
,
为其前n项和,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204e5160ff110a19878e4fae639319e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f31971306914638e5ceb1bbe437535d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4777ee11e9f2737b4bc188d779fe54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b4a942504cad77a24459b6c6b0bbfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.数列![]() ![]() ![]() | B.数列![]() ![]() |
C.数列![]() ![]() ![]() | D.![]() |
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7 . 已知正项数列
满足
(
).
(1)求数列
的通项公式;
(2)令
,记
的前
项和为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a512d27c4c028422ea3bc10fa096195b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee4890cc55ae355013daae6b26ef3b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.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/63b5576e5d9b20988390682e42195df1.png)
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8 . 古希腊著名数学家毕达哥拉斯发现:数量为1,3,6,10,…的石子,可以排成三角形(如图),我们把这样的数称为“三角形数”,依此规律,则第5个“三角形数”是___________ ,前6个“三角形数”的和是___________ .
![](https://img.xkw.com/dksih/QBM/2021/11/22/2856925700456448/2859794246516736/STEM/3de0d8cfe63f4415bc3cfb02bb8fd945.png?resizew=229)
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解题方法
9 . 已知数列
的前n项和为
,
,数列
满足:当
,
,
成等比数列时,公比为
,当
,
,
成等差数列时,公差也为
.
(1)求
与
;
(2)证明:
.
![](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/fe6c53cd385c871ef1d8f7958fc1e65a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebadf2b3ec3dc92cd902eff76085ad46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a35d79a1b4df9e4aade6a92f35bea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebadf2b3ec3dc92cd902eff76085ad46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a35d79a1b4df9e4aade6a92f35bea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9a0d7150fb24be3e28ef7f0e18be93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c71cdb539824e764a9d71d28e3181f42.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8699e98c1c6acca70eea536fb0486467.png)
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名校
解题方法
10 . 已知数列
满足
,若记数列
前
项和为
,则对于任意的
,
.
(1)求证:
是等比数列,并写出
的通项公式和其前
项和
的表达式;
(2)已知数列
满足
,
,设数列
的前
项和为
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d5ec9ad92f37e64eccce922ab1b14e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0073df06cf61eef7bd9dd2d069515e.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(2)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991b5d5d8eb00a21afa38a5b5f751178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1df2a8b51ea0efaaec4d6f96742e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66dda996a671ca3b22474a96af1d37fc.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/7057ffcf0b67d7e4f0b0bc21d829a70c.png)
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