1 . 在数列
中,
,
,且
,
,
成等比数列.
(1)证明数列
是等差数列,并求
的通项公式;
(2)设数列
满足
,其前n项和为
,证明:
.
![](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/ad812afa0117f29db1be67e3c0d7d54b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
(1)证明数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7e2f5fbaa51391aff90956511cc6f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfd76dc3fbd8771b791ef2fd90f5075.png)
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2023-02-03更新
|
467次组卷
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14卷引用:江西省赣县第三中学2021-2022学年高二上学期入学考试数学(理)试题
江西省赣县第三中学2021-2022学年高二上学期入学考试数学(理)试题山东省临沂市沂水县第一中学2021届高三高考二轮模拟检测数学试题(已下线)专题32数列综合应用-2022年(新高考)数学高频考点+重点题型(已下线)专题7.5 数列的综合应用(练)- 2022年高考数学一轮复习讲练测(新教材新高考)(已下线)4.2.3 等差数列的前n项和(2)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)(已下线)专题18 数列(解答题)-备战2022年高考数学(理)母题题源解密(全国甲卷)(已下线)专题18 数列(解答题)-备战2022年高考数学(文)母题题源解密(全国甲卷)(已下线)专题08 数列-备战2022年高考数学(文)母题题源解密(全国乙卷)(已下线)专题07 数列-备战2022年高考数学母题题源解密(新高考版)河南省许昌市2021-2022学年高二上学期期末数学理科试题辽宁省葫芦岛市四校2022-2023学年高三上学期期中数学试题河南省南阳市第六完全学校高级中学2021-2022学年高二下学期第三次考试文科数学试题(已下线)【技巧归纳+能力拓展】专项突破二 数列(考点1 等差、等比数列的综合应用)山东省济南市莱芜区莱芜第一中学2022-2023学年高二上学期期末数学试题
2 . 已知数列
满足
,
.
(1)证明:
是等比数列;
(2)设
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0ae8af1b4dfc31c317fcbe291d28b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9860dce2f7660e7104e14d2d0b6f305.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213e22890204937a5dded4436369390f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faae65c4360c5400629f89d52a5cfcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e290dadb8974055efddd5f7d61bf188.png)
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2022-05-16更新
|
1350次组卷
|
3卷引用:江西省赣州市第三中学2022届高三适应性考试(二)数学(文)试题
名校
解题方法
3 . 已知数列
,
满足
,且数列
是首项为
的常数列.
(1)求数列
的通项公式;
(2)已知
,记数列
的前
项和为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195431ccf2756a0db26f14b7b91a32a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a435f086c80c67241d5599df40a658a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195431ccf2756a0db26f14b7b91a32a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f1dd362f843e640ce551ad1787c9873.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a36dfc21e1c3239881bf3dc1700da5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733969643c55ec0ddfddd781a6545778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a425978da20cebf8c4c63953579e7b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f6437a669ff3c73b022d9f6438b0e9.png)
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2022-10-23更新
|
295次组卷
|
2卷引用:江西省新余市第一中学2024届高三上学期开学考试数学试题
4 . 已知数列
的前
项和为
,在①
,②
这两个条件中任选一个,并作答.
(1)求数列
的通项公式;
(2)设
,
为数列
的前
项和.证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66861fad4a49ff6eaedfe4828dbe455e.png)
(注:如果选择多个条件分别解答,按第一个解答计分.)
![](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/9610a946846067376e97a31367da9949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b74df7b8a0bb24399922331dbbed43d.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8497f33b535453cf984bc3526f0a204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bde034b0bb6767f923526db8a387c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66861fad4a49ff6eaedfe4828dbe455e.png)
(注:如果选择多个条件分别解答,按第一个解答计分.)
您最近一年使用:0次
11-12高三上·广东佛山·阶段练习
5 . 在等差数列
中,
,其前
项和为
,等比数列
的各项均为正数,
,公比为q,且
.
(1)求
与
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.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/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c25b07f361e643922429bb4fe7b8c1f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a7ea33698be8ab4307379e647378c2.png)
您最近一年使用:0次
2022-06-17更新
|
475次组卷
|
16卷引用:江西省南康中学2018-2019学年高二下学期期中考试数学(理)试题
江西省南康中学2018-2019学年高二下学期期中考试数学(理)试题(已下线)2012届广东省三水实验中学高三上学期第十次月考理科数学(已下线)2012届北京市高考模拟系列试卷(二)理科数学试卷2016届宁夏六盘山高中高三上学期第二次月考理科数学试卷2015-2016学年重庆八中高二下第三次周考理科数学试卷2017届内蒙古杭锦后旗奋斗中学高三上入学摸底数学理试卷2017届山东寿光现代中学高三实验班10月月考数学(理)试卷四川省眉山市2016-2017学年高一下学期期末考试数学试题【全国百强校】北京东城区北京二中2016-2017学年高一下学期期中考试数学试题【全国百强校】甘肃省兰州第一中学2019届高三9月月考数学(文)试题智能测评与辅导[理]-算法 推理与证明陕西省西安市电子科技大学附属中学2019-2020学年高二上学期期中数学(理)试题海南省海口市灵山中学2020届上学期高三第三次月考试题广东省揭阳市普宁市华侨中学2021-2022学年高二下学期第三次月考数学试题(已下线)专题训练:数列综合运用大题-【题型分类归纳】2022-2023学年高二数学同步讲与练(人教A版2019选择性必修第二册)四川省绵阳市三台中学校2021-2022学年高一下学期第四学月月考测试数学试题
名校
解题方法
6 . 已知函数
,方程
在
上的解按从小到大的顺序排成数列
.
(1)求数列
的通项公式;
(2)设
,数列
的前
项和为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7cf40f200ff805e888de812b4fef287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ceeb81f63c3c4e27101d21b34f69d7.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960b682f983b053dc9064cf29c97e250.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e43ca3db6effb3c3162d96dd7a7f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440afe27e8558f6bf35c8713ce5664b2.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/20bd68513102d1eff5cf1b30b6d61294.png)
您最近一年使用:0次
2022-04-04更新
|
848次组卷
|
5卷引用:江西省八所重点中学2022届高三4月联考数学(理)试题
江西省八所重点中学2022届高三4月联考数学(理)试题山西省长治市第二中学校2022届高三下学期第十二次练考数学(理)试题(已下线)回归教材重难点01 数列-【查漏补缺】2022年高考数学(理)三轮冲刺过关(已下线)文科数学-2022年高考押题预测卷02(全国甲卷)(已下线)5.3 三角函数的性质(精练)-【一隅三反】2023年高考数学一轮复习(提升版)(新高考地区专用)
解题方法
7 . 数列
的首项
,且
,
.数列
与数列
的关系为
,
为数列
的前
项和.
(1)求数列
的通项公式;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bfe32bb420d892fd8ad3cc9c2f3f8d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df438564f4c3a6b775a3e661fdaadbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94351ce858fa3f3a09cfadc2d23d7253.png)
您最近一年使用:0次
解题方法
8 . 设等差数列
的前
项和为
,已知
,
,设
.
(1)求数列
的通项公式;
(2)若数列
的前
项和
,求证:
.
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d9bd40057948c5e3eb23064a673284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5731f65834e58bb01c8d21a695e395ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e72dd269d317fc3ccfae51b9652fd4.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1758fdd909087febed71aa7e7bdbcf.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/c1056f02e4a7e9b8fd479519eec2d9b3.png)
您最近一年使用:0次
9 . 已知在数列
中,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f3533cdf76e3e2017bc806a70cbd80.png)
(1)证明:
为等比数列,并求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39773a450e3c30c72ead226d84e54563.png)
(2)若数列
的前
项和为
,证明
![](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/a1f3533cdf76e3e2017bc806a70cbd80.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ae1e96987c53e27ac7eb2e3a7b51ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39773a450e3c30c72ead226d84e54563.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6317322d5ec12c285001e5e1cd6f89a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0a9523f2084cf17b8656c11ab1d95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5986854087497d98d799ae63180d7c42.png)
您最近一年使用:0次
10 . 等差数列
各项均为正整数,
,前n项和为
,等比数列
中,
,且
,
是公比为64的等比数列.
(1)求
与
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f56a6c48dfe9b1a169bc4239adf6b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afef6271af7462ffa935a1846e3ec90.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f1b287682688110f7d55800521bbc1.png)
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2022-11-12更新
|
1149次组卷
|
2卷引用:2008年普通高等学校招生考试数学(理)试题(江西卷)