名校
1 . 已知函数
(
为自然对数的底),
,记
为
从小到大的第
个极值点,数列
的前
项和为
,且满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d128c8ae177cfc55ddd5dfa74cc64371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48350c9f896c18a64f27867ca81c9be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d520ad95058bf8de11a2f6d92f9464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780019495df34d40fff9d8f31bbf3e74.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5卷引用:甘肃省2024届高三下学期3月月考(一模)数学试题
甘肃省2024届高三下学期3月月考(一模)数学试题福建省莆田第四中学2023-2024学年高二下学期第一次月考数学试卷(已下线)第16题 抽象函数与数列结合(一题多变)(已下线)【练】专题10 数列与其它知识的交汇问题(已下线)压轴题05数列压轴题15题型汇总-3
2 . 已知数列
满足
,
.
(1)若
且
.
(ⅰ)当
成等差数列时,求k的值;
(ⅱ)当
且
,
时,求
及
的通项公式.
(2)若
,
,
,
.设
是
的前n项之和,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa01f03fb074bff35b35e07047d11b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38bd0a9051231fd917cf3960e8962bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9645bd4d2002993b90ec6d48f9c04f7.png)
(ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4711944aa361bd9f2ed566b24c6888ec.png)
(ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcf678291067776ffae329502725316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17328211a08b1511c0eea17fb58ce12a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe7bdaaf8b0adf10bf2ef6c1255b1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d9b27f78829b57da918aa20936a198.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8184f4d9a5af26b434d70d96bb5220fe.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/a6f422edb72f7e1d5529a5570feb77df.png)
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3卷引用:浙江省杭州市2022届高三下学期4月教学质量检测(二模)数学试题
名校
解题方法
3 . 数列
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e944e87fd2674c579e0595745bc67b9b.png)
A.当![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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解题方法
4 . 已知数列
满足
,
,
,则( )
![](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/ab02ab01dc1ab8c9201dd876286ffd37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4卷引用:湖北省武汉市部分重点中学2021-2022学年高二上学期期末联考数学试题
湖北省武汉市部分重点中学2021-2022学年高二上学期期末联考数学试题(已下线)第03讲 等比数列(核心考点讲与练)-2021-2022学年高二数学考试满分全攻略(人教A版2019选修第二册+第三册)(已下线)高二数学下学期期末精选50题(压轴版)-2021-2022学年高二数学考试满分全攻略(人教A版2019选修第二册+第三册)安徽省安庆市怀宁县第二中学2023-2024学年高二上学期期末数学试题
5 . 已知数列
的前
项和为
,满足
(
).
(1)求证:
是等差数列;
(2)已知
,且数列
的前
项和为
,求数列
的前
项和
.
![](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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761296ed6cfc2dc2618ccbe7f5467e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1505d56f0b35fe7f2de1fe1888036e4c.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179513ce80436471efbe1d9b31735f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba57c83d526ac308d1461e80fcca9f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb2927659fc5b2b6c5ce1d97786c171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9f747b00b90c90ad56bbb1a0f695eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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名校
解题方法
6 . 在边长为2的等边三角形
纸片中,取边
的中点
,在该纸片中剪去以
为斜边的等腰直角三角形
得到新的纸片
,再取
的中点
,在纸片
中剪去以
为斜边的等腰直角三角形
得到新的纸片
,以此类推得到纸片
,
,……,
,……,设
的周长为
,面积为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46643f7044c9237ccbd3324901d5a51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694256e3937fa2df5ca845b751ede660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e029cc1f7d07eeb136bd3946a7eb23e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77bb70cbcec294e75f05a57ed432ef98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e029cc1f7d07eeb136bd3946a7eb23e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dedd84baa5219a2af415be51947c301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801ad12c97ed33abddfa1be86e2ff533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32410867843f1a7ef11410da8f3f8dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b994a3d0126e44d032969365e6ebc25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba58141e798bdd957bbd9c9c30337350.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae6358af7332d7609bf8d18467487d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae6358af7332d7609bf8d18467487d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a2d3cd8e283ae9d04bee5ab2e0895b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2卷引用:江苏省常州市教育学会2022-2023学年高二上学期学业水平监测数学试题
7 . 已知公差为d的等差数列
和公比
的等比数列
中,
,
,
.
(1)求数列
和
的通项公式;
(2)令
,抽去数列
的第3项、第6项、第9项、……、第3n项、……余下的项的顺序不变,构成一个新数列
,求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411641715d7f5132c34f1d6eace8cd8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebaf2a2590bb84d646957f913d78f6dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b359fa24148974203beccccc27fe1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61fb84a252e43c810ea5bebc20aae5a4.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd2de828dc669c7ee80aa68459c9739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272b44a71d0bec02b3c4f3f05304f942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272b44a71d0bec02b3c4f3f05304f942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
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8 . 十七世纪法国数学家费马猜想形如“
(
)”是素数,我们称
为“费马数”.设
,
,
,数列
与
的前n项和分别为
与
,则下列不等关系一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75734270b367c16d5621c4e3027c4ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9da2b0e7b9eca965043be2f38a91f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce78f685d319599074493bcf6238dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce79936ba26165fbadcfce250a3fa5fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5卷引用:贵州省普通高等学校招生2022届高三适应性测试数学(理)试题
贵州省普通高等学校招生2022届高三适应性测试数学(理)试题贵州省普通高等学校招生2022届高三适应性测试数学(文)试题(已下线)数学-2022年高考考前押题密卷(浙江卷)(已下线)专题11 费马(已下线)考向19等差数列及其前n项和(重点)-2
9 . 数列
的通项公式为
(n为正整数),其中
表示不超过x的最大整数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fc572cc56fcc7ffd0b9d2d03b0c85f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f32282b8c8366cf2cf1b7304f775be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fc572cc56fcc7ffd0b9d2d03b0c85f.png)
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解题方法
10 . 设
为
的一个排列,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bea2a120d0bb0d28cfaf05e69b465e8.png)
,则这样的排列的个数为_______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55fc6113ce4ac2b0daa7b809c9bfb3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed93f368c243d567a5d29ae7b9326ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bea2a120d0bb0d28cfaf05e69b465e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e32c10912f241b6f4da4486a07cf7ac2.png)
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5卷引用:上海市松江二中2023-2024学年高二上学期期末考试数学试题
上海市松江二中2023-2024学年高二上学期期末考试数学试题(已下线)专题01 两个计数原理与排列组合(7类压轴题型)-【常考压轴题】2023-2024学年高二数学压轴题攻略(人教A版2019选择性必修第三册)(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)第4章 数列(压轴题专练)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)(已下线)专题05 计数原理(十七大题型+优选提升题)-【好题汇编】备战2023-2024学年高二数学下学期期末真题分类汇编(沪教版2020选择性必修,上海专用)