1 . 数列
满足
,
,
,
.
(1)证明:数列
为等差数列,并求数列
的通项公式;
(2)求正整数
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d667a1cbc19a151a5223ebd69d021d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd533a2645dbbdc0e52086ddcdc65da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545027eac895de229678d6644f5ee25a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eecfd552f63963ad88d97d335131e436.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92894107bb3dab385c5cbb2cfb27a710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ff9dc01774072a70b084c35b01eb0c.png)
(2)求正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde46d2775e3ca1610036a71b30d3b85.png)
您最近一年使用:0次
2024-05-03更新
|
1543次组卷
|
4卷引用:江西省八所重点中学2024届高三下学期4月联考数学试卷
江西省八所重点中学2024届高三下学期4月联考数学试卷江西省八所重点中学2024届高三下学期4月联考数学试卷重庆市第一中学校2023-2024学年高二下学期期中考试数学试题(已下线)第一章数列章末综合检测卷(新题型)-【帮课堂】2023-2024学年高二数学同步学与练(北师大版2019选择性必修第二册)
名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17f11da778393065233d20a8d716be0.png)
的图象在点
处的切线
经过点
.
(1)当
时,求
的方程.
(2)证明:数列
是等差数列.
(3)求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17f11da778393065233d20a8d716be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be613fff0421d9be9e8bb5eb8b07c40f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e684bbf8039dc14ea6a402f3478b3aa4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
(3)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc470de1a66304237c7052dbc8eae3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
23-24高二下·全国·课前预习
解题方法
3 . 已知{an}满足
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8323901a49cac29afd7d62864f088077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424edbd0bfe737cbb80c87d3c17ff560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4775666a3fd90a5623efeac883aeec.png)
A.48 | B.96 |
C.120 | D.130 |
您最近一年使用:0次
23-24高二下·全国·课前预习
解题方法
4 . 已知2n+2
个数排列构成以
为公比的等比数列,其中第1个数为1,第2n+2个数为8.设
,证明:数列
是等差数列;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4f2fed3149b0d2ac1342f370dce98e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052ad43cfc926d4ce415a4d0d127483a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52932b4da84859f08f289de1be370a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
您最近一年使用:0次
23-24高二下·全国·课前预习
解题方法
5 . 已知各项均为正数的数列
的首项
,
是数列
的前
项和,且满足
.求证:
是等差数列;
![](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/08eb71ecf8d733b6932f4680874dbbf3.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/e7bb9d3fab0e92e5b292ce5809fda86a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5bc2b05dc79b18ecb4ac3f9b5c492d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66495095fa9b2fe2897380b2548cd9c.png)
您最近一年使用:0次
23-24高二下·全国·课前预习
解题方法
6 . 设数列
的前n项和为
,已知
,
,
.证明:数列
是等差数列;
![](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/7916c1f8caec511fd129154a554dd62d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2693734765399876e9e93cdb110231c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa5d0cbea275e4a3904e2be3de7d4db.png)
您最近一年使用:0次
解题方法
7 . 图1是第七届国际数学教育大会的会徽图案,会徽的主体图案是由如图2所示的一连串直角三角形演化而成的,其中
,如果把图2中的直角三角形继续作下去,记
,
,…,
的长度构成的数列为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60733091d0925b590f9cab6be1f71694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4195334905e2f190f958dbf5951456f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c76916c6ff302cf4fb4b6ace5bb3a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337d0dc1076cfdb02ffb40bf4dac0d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acca5aa6b2285d897a65c289c1b54ba.png)
A.![]() | B.1 | C.10 | D.100 |
您最近一年使用:0次
名校
解题方法
8 . 已知数列
的前n项和为
,
,
.
(1)求证:
;
(2)若
,求数列
的前n项和
.
![](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/d9453353c91d49cd679404ede7754d9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b721c8719c8a79eaa1708a5c861fa7.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661eb98b215405edbdc6434ce55b89cf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18290605c9bf894efc7b721449702c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
名校
解题方法
9 . 已知数列
满足
,
,数列
满足
.记数列
的前
项和为
,则下列结论正确的是( )
![](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/5df7b7b600b619f213f792b7945149cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4cecbdebeb5d12fbe1d54b81cc05a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.![]() | B.数列![]() |
C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知数列
满足
.
(1)证明数列
为等差数列,并求
;
(2)求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f143e51df4a96c7f3cdefa308d4576.png)
(1)证明数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25cbe66fe4e84b4022721122baab4a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)求数列
![](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)
您最近一年使用:0次
2024-01-25更新
|
1581次组卷
|
4卷引用:广东省深圳市龙岗区2023-2024学年高二上学期1月期末质量监测数学试题
广东省深圳市龙岗区2023-2024学年高二上学期1月期末质量监测数学试题广东省广州市广东实验中学2024届高三上学期第二次调研数学试题(已下线)第五章:数列(单元测试)-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)江苏省南京市田家炳高级中学2023-2024学年高二下学期期中考试数学试卷