1 . 某学生家长为缴纳该学生上大学时的教育费,于2018年8月20号从银行贷款a元,为还清这笔贷款,该家长从2019年起每年的8月20号便去银行偿还相同的金额,计划恰好在贷款的m年后还清,若银行按年利率为p的复利计息(复利:即将一年后的贷款利息也纳入本金计算新的利息),则该学生家长每年的偿还金额是
A.![]() | B.![]() |
C.![]() | D.![]() |
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2019-04-29更新
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2677次组卷
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7卷引用:【全国百强校】四川省成都外国语学校2018-2019学年高一下学期期中考试理科数学试题
【全国百强校】四川省成都外国语学校2018-2019学年高一下学期期中考试理科数学试题四川省成都外国语学校2018-2019学年高一下学期期中考试文科数学试题四川省泸州市泸县第四中学2021-2022学年高一下学期期中考试数学试题江西省安福中学2019-2020学年高一(普通班)下学期线上考试数学试题(已下线)专题3.2+函数模型及其应用-2020-2021学年高一数学同步课堂帮帮帮(人教版必修1)(已下线)8.3+应用与建模++体重与脉搏(重点练)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第一册)(已下线)专题1.2 数列 章末检测2(中)-【满分计划】2021-2022学年高二数学阶段性复习测试卷(人教A版2019选择性必修第二册)
2 . 第24届北京冬奥会开幕式由一朵朵六角雪花贯穿全场,为不少人留下深刻印象.六角雪花曲线是由正三角形的三边生成的三条1级Koch曲线组成,再将六角雪花曲线每一边生成一条1级Koch曲线得到2级十八角雪花曲线(如图3)……依次得到n级
角雪花曲线.若正三角形边长为1,我们称∧为一个开三角(夹角为
),则n级
角雪花曲线的开三角个数为__________ ,n级
角雪花曲线的内角和为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446a5809055d7efef04d6bc01292478c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae6358af7332d7609bf8d18467487d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae6358af7332d7609bf8d18467487d3.png)
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2022高三·全国·专题练习
3 . 已知数列
的前
项和为
,点
,
在函数
的图象上,数列
满足
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76016d97c0ad6374871a337103efcd27.png)
(1)求数列
的通项公式;
(2)证明列数
是等比数列,并求数列
的通项公式;
(3)设数列
满足对任意的
成立,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70cb7b6d14630288595af4d9ad841312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb8b30d6d8772de7d2d8b8bb5ef7b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e86b6dc5f64672bf54392f2fe02a87d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcf8bc52b12910cce971e642d39876f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee4464b3b4eb6e52ee02f095aae84f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d390e274f7e15532c5226030f3a5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76016d97c0ad6374871a337103efcd27.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
(2)证明列数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c0d2a859b634b4ab451db503c7d2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee4464b3b4eb6e52ee02f095aae84f0.png)
(3)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cca3ebd10a38201939a3694cc95186a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee82c03e4b58d14b3268f29f9bcd99f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c7f304c275743f0351f72430a883a9.png)
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名校
解题方法
4 . 已知数列
的各项均为正数,前
项和为
,
,
,若对任意的正整数
,有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb7b81700cb5acee77aa1b2ac205627.png)
(1)求
的通项公式;
(2)设数列
满足
,求证:
.
![](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/210c457ba87675015212f2e3afe4c56c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d8e8f821111de8075e5c3dfb22a5d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb7b81700cb5acee77aa1b2ac205627.png)
(1)求
![](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/88d48868b259993d0000b7c47525ebcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1084e40a32ada91a97c726cdc5f8a3b.png)
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名校
解题方法
5 . 已知数列
是公比为
的等比数列,
是其前
和,若
恒成立,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee004d660043c9afb758716c19409324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2021-12-05更新
|
1256次组卷
|
6卷引用:江西省景德镇一中2022-2023学年高二(17班)下学期期中考试数学试题
江西省景德镇一中2022-2023学年高二(17班)下学期期中考试数学试题黑龙江省哈尔滨市第三中学校2021-2022学年高三上学期第三次验收考试教学(文)试题黑龙江省哈尔滨市第三中学2021-2022学年高三上学期第三次验收考试数学(理科)试题(已下线)重难点01 数列-2022年高考数学【热点·重点·难点】专练(新高考专用)(已下线)易错点08 数列-备战2022年高考数学考试易错题(新高考专用)(已下线)专题 12等比数列性质及应用归类(3)
6 . 定义:在数列的每相邻两项之间插入此两项的积,形成新的数列,这样的操作叫做该数列的一次“美好成长”.将数列1,3进行“美好成长”,第一次得到数列1,3,3;第二次得到数列1,3,3,9,3,…;设第
次“美好成长”后得到的数列为1,
,
,…,
,3,并记
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596afe6f8149e39c53d36a759bee6151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274d9d3f948ed8e760d814d367e7d0d7.png)
A.![]() | B.![]() |
C.![]() | D.数列![]() ![]() ![]() |
您最近一年使用:0次
2022-05-13更新
|
747次组卷
|
3卷引用:山东省潍坊安丘市、高密市、诸城市2021-2022学年高二下学期期中考试数学试题
7 . 设数列
,
为
的满足下列性质
的排列
的个数,性质T:排列中仅存在一个
,使得
.
(1)求
的值,并写出
时其中一种排列的情形.
(2)若
,求满足性质
的所有排列的情形.
(3)求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b3c6f8a0d8adcd7bb9cb3d0214c8f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e260b088f071983f254ce8f5163fcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7b19b82b9c52bccc2d326c151962da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535577e9213fa6b2a2bed70460fc4077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6bc6e1861d56ea5eb320e6c569338e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8800620cdf97b3db972d64ab8e4886.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2f1c1409a06278e847e6b573cef254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368691ff6590140094865d9a7a702d09.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03a70f7cba93600ed0a3164efadbcc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(3)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
您最近一年使用:0次
8 . 已知等比数列
的各项均为正数,
成等差数列,且满足
,数列
的前n项和
,且
.
(1)求数列
和
的通项公式;
(2)设
,求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429c5f2151a312d0c4eb4adb9bb71c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f136cae0bc90e8f766e2829d26158d57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f686ae2bb0aa74999e1ef10c57a41a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6efba53a319f7a79045280415ddacc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
您最近一年使用:0次
2021-11-27更新
|
1211次组卷
|
2卷引用:天津市武清区英华国际学校2021-2022学年高三上学期期中数学试题
名校
解题方法
9 . 在无穷数列
中,若对任意的
,都存在
,使得
,则称
为m阶等差数列.在正项无穷数列
中,若对任意的
,都存在
,使得
,则称
为m阶等比数列.
(1)若数列
为1阶等比数列,
,
,求
的通项公式及前n项的和;
(2)若数列
为m阶等差数列,求证:
为m阶等比数列;
(3)若数列
既是m阶等差数列,又是
阶等差数列,证明:
是等比数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd2c3166d0bfd9e64bdc85081445e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57ae28a9ca230ff60fff6406b06ba96.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/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd2c3166d0bfd9e64bdc85081445e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8483c0e1d0daabfa8130baa9737eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674f03ad5f8c00ce301ecb176fb23277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e25fe433dbc540279bc50cf65c7f5fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec50a8616d7700de94ee53c2b5dac43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec50a8616d7700de94ee53c2b5dac43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0623207595425920f16e76a7f8f268b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
您最近一年使用:0次
2024-05-31更新
|
362次组卷
|
3卷引用:山东省淄博实验中学2024届高三下学期第三次模拟考试数学试题
10 . 若数列
满足:
,则定义数列
为函数
的“切线——零点数列”.已知
,数列
为函数
的“切线——零底数列”,
,若数列
满足
,则数列
的前n项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6427f3452c42c2d90cacb31c70be6160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ff73150f86419bd7f0415942a5df4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0023881e17aee452f536bbf864a1f8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916be44adc9ba27d4d79bf21fdf07368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
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2024-02-23更新
|
378次组卷
|
4卷引用:模块四 专题5 重组综合练(黑龙江)(8+3+3+5模式)(北师大版高二)
(已下线)模块四 专题5 重组综合练(黑龙江)(8+3+3+5模式)(北师大版高二)福建省福州第三中学2023-2024学年高二上学期1月期末数学试题黑龙江省哈尔滨市第九中学校2023-2024学年高二下学期4月月考数学试题(已下线)数学(北京卷03)