名校
1 . 已知数列
满足
,若存在实数
,使
单调递增,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e6dac8c375b0f771de1a52f5014cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-05-23更新
|
1426次组卷
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14卷引用:上海市建平中学2019-2020学年高三上学期10月月考数学试题
上海市建平中学2019-2020学年高三上学期10月月考数学试题【校级联考】浙江省三校2019年5月份第二次联考数学试题(已下线)专题6.7 第六章 数列(单元测试)(测)-浙江版 《2020年高考一轮复习讲练测》(已下线)不动点与蛛网图(已下线)专题3 数列的综合问题-学会解题之高三数学321训练体系【2022版】(已下线)考点15 数列综合问题-1-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)(已下线)考向21数列综合运用(重点) - 2(已下线)第三篇 数列、排列与组合 专题4 数列的不动点 微点3 不动点与蛛网图(已下线)专题17 数列探索型、存在型问题的解法 微点3 数列探索型、存在型问题综合训练(已下线)第01讲 数列的基本知识与概念(六大题型)(讲义)(已下线)江苏省南京市六校联合体2023-2024学年高三上学期11月期中数学试题变式题6-10(已下线)【练】专题1 数列的单调性问题四川省剑阁中学校2022-2023学年高二下学期第一次质量检测理科数学试题浙江省杭州市长河高级中学2022-2023学年高二下学期期中数学试题
2 . 几位大学生响应国家的创业号召,开发了一款应用软件.为激发大家学习数学的兴趣,他们推出了“解数学题获取软件激活码”的活动.这款软件的激活码为下面数学问题的答案:已知数列1,1,2,1,2,4,1,2,4,8,1,2,4,8,16,…,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.求满足如下条件的最小整数N:
且该数列的前N项和为2的整数幂.那么该款软件的激活码是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c187044e689bbe78aededb6b48f877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c187044e689bbe78aededb6b48f877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78697a69758b8d469a74236859514a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c187044e689bbe78aededb6b48f877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78697a69758b8d469a74236859514a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ad4668cc927e277289b2af718f0d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c851ab8c7c8b2ac92092987a7e32493f.png)
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2022-09-14更新
|
1154次组卷
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10卷引用:2019年上海市华东师范大学第二附属中学高三下学期5月信心考三模数学试题
(已下线)2019年上海市华东师范大学第二附属中学高三下学期5月信心考三模数学试题上海市大同中学2017-2018学年高三上学期10月月考数学试题(已下线)专题17 数列(模拟练)2020届湖南省长沙市长郡中学高三上学期第5次月考数学(文)试题2020届湖南省长沙市长郡中学高三第五次月考数学(文)试题辽宁省渤海大学附属高级中学2022-2023学年高三上学期第二次月考数学试题福建师范大学附属中学2023届高三上学期第二次月考数学试题(已下线)第三节 等比数列 核心考点集训2024年新高考Ⅰ卷浙大优学靶向精准模拟数学试题(二)四川省成都市锦江区嘉祥外国语高级中学2022-2023学年高二上学期入学考试数学试题
3 . 已知常数
,数列
满足
,
.
(1)若
,
,求
的值;
(2)在(1)的条件下,求数列
的前
项和
;
(3)若数列
中存在三项
、
、
(
、
、
且
)依次成等差数列,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95089d5dbbdf37bd78fcec40684bf44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe7bdaaf8b0adf10bf2ef6c1255b1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194b8ab194c7d299d5c3e0f09ec18384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
(2)在(1)的条件下,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)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5566b1d828acdac47fe50216d247cfac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93301f9e8004bf6c59804e1ae601bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8705064bb1ac4934b21bb5a01eff6c7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6b6467f94bbc9916e47bade380929b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1281d24161c9e1569c7aae6c42bb513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ef8f1681970934d020606db931dc00.png)
您最近一年使用:0次
2020-10-07更新
|
378次组卷
|
5卷引用:2019年上海市格致中学高三上学期第一次检测数学试题
名校
4 . 等差数列
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd19f20340437ad6237185e11f23e5f2.png)
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ab128820f8db987e399ed426320684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd19f20340437ad6237185e11f23e5f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b2385a78ff551c3c13d1ce9e21b602.png)
A.n的最大值是50 | B.n的最小值是50 |
C.n的最大值是51 | D.n的最小值是51 |
您最近一年使用:0次
2020-09-09更新
|
355次组卷
|
6卷引用:上海市青浦区2019届高三二模数学试题
上海市青浦区2019届高三二模数学试题2019年浙江省舟山市定海区舟山中学三模数学试题2020届浙江省宁波市余姚中学高三下学期高考模拟数学试题(已下线)重难点突破02 函数的综合应用(九大题型)(已下线)专题06 函数与导数常见经典压轴小题归类(练习)-3(已下线)期中测试二(能力提升)-2020-2021学年高二数学单元测试定心卷(人教版必修5)
名校
5 . 已知
,
为两非零有理数列(即对任意的
,
,
均为有理数),
为一无理数列(即对任意的
,
为无理数).
(1)已知
,并且
对任意的
恒成立,试求
的通项公式.
(2)若
为有理数列,试证明:对任意的
,
恒成立的充要条件为
.
(3)已知
,
,对任意的
,
恒成立,试计算
.
![](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/ed6af1644737a2948f30308a168ff07e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1602c6064af12eed3fd1291f8272d93c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6af1644737a2948f30308a168ff07e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50a4b1e4f8b1d044300df7ef8205c31.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2391202d5ea5ed1802af734a78583961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d36e322a05765061155210df4176aea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c404f6958b9613226e380b16dba8f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244d2564c2bff56c566e7990f570d549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8dfd310df0a4f42cf64dc1bed85f816.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fe6fdf0d6443ef6e5f34d9741a0759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25260e98fe082f4ec2b6273aa17e2d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbc42581b47d7665015dc5c22922bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
您最近一年使用:0次
2020-09-06更新
|
649次组卷
|
10卷引用:2019年上海市建平中学高三三模数学试题
2019年上海市建平中学高三三模数学试题上海市建平中学2019届高三下学期5月月考数学试题2016届上海市七宝中学高三模拟理科数学试卷2016届上海市七宝中学高三模拟考试数学(理)试卷2016届上海市闵行区七宝中学高三下学期适应性考试(三模)(理)数学试题上海市实验学校2017届高三上学期第四次月考数学试题(已下线)重难点04 三角函数与解三角形-2021年高考数学【热点·重点·难点】专练(上海专用)上海市浦东新区2021届高三三模数学试题上海市大同中学2021届高三三模数学试题(已下线)考向10 三角恒等变换-备战2022年高考数学一轮复习考点微专题(上海专用)
名校
6 . 设{an}是等差数列,公差为d,前n项和为Sn.
(1)设a1=40,a6=38,求Sn的最大值;
(2)设
,数列{bn}的前n项和为Tn,且对任意的n∈N*,都有Tn≤20,求d的取值范围.
(1)设a1=40,a6=38,求Sn的最大值;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba65df60dd251764c824686dfa613dc.png)
您最近一年使用:0次
2020-03-25更新
|
237次组卷
|
5卷引用:上海市静安区2019-2020学年高三上学期期末数学试题
上海市静安区2019-2020学年高三上学期期末数学试题2020届上海市静安区高三一模(期末)数学试题上海市2022届高考模拟卷(二)数学试题2020届河北省衡水中学高三下学期一调考试数学文科试题(已下线)2020届高三3月第01期(考点06)(文科)-《新题速递·数学》
7 . 已知数列
的前
项和为
,且
,
.
(1)若数列
是等差数列,且
,求实数
的值;
(2)若数列
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e35ba37b0cc1d390e05391554e9660.png)
,且
,求证:数列
是等差数列;
(3)设数列
是等比数列,试探究当正实数
满足什么条件时,数列
具有如下性质
:对于任意的![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
,都存在
使得
,写出你的探求过程,并求出满足条件的正实数
的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.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/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f108d4cbb79fbc793f2dfc9209b9436d.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b24e22503480d88ec847c9bc1be5d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e35ba37b0cc1d390e05391554e9660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d307ec71820b6536453fbdb5069da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e47ad8ce86152a6e9e3dd0c1c0b08e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(3)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d307ec71820b6536453fbdb5069da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a949b947e9961d4d68bfeb4e24ef40f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a285296b1a05924eeb644c09a0b4282d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-24更新
|
814次组卷
|
8卷引用:2019年上海市长宁(嘉定)区高三上学期期末质量检测(一模)数学试题
2019年上海市长宁(嘉定)区高三上学期期末质量检测(一模)数学试题2019年上海市长宁区、嘉定区高三上学期期末教学质量检测(一模)数学试题上海海洋大学附属大团高级中学2023届高三上学期一模数学试题北京一零一中学2019-2020学年度第二学期高三数学统练(二)(已下线)强化卷05(3月)-冲刺2020高考数学之少丢分题目强化卷(山东专版)(已下线)专题01 拿高分题目强化卷(第三篇)-备战2021年新高考数学分层强化训练(北京专版)江苏省常州市前黄高级中学2020-2021学年高三上学期期中适应性考试数学试题(已下线)专题17 数列探索型、存在型问题的解法 微点3 数列探索型、存在型问题综合训练
名校
解题方法
8 . 设
是由
个有序实数构成的一个数组,记作:
.其中
称为数组
的“元”,
称为
的下标,如果数组
中的每个“元”都是来自数组
中不同下标的“元”,则称
为
的子数组.定义两个数组
,
的关系数为
.
(1)若
,
,设
是
的含有两个“元”的子数组,求
的最大值;
(2)若
,
,且
,
为
的含有三个“元”的子数组,求
的最大值;
(3)若数组
中的“元”满足
,设数组
含有四个“元”
,且
,求
与
的所有含有三个“元”的子数组的关系数
(
)的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a91ebfcdbcb5c0e5e42dbf9997a7f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e053f60d2756b7d952f4fd3d547c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53422543e9a9311416faf749bdda67b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca35f4615ee3791b732587e958f8033f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26165da81c5a0e3ad3f8c8f54a384fce.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5dfcd761c4affe568cb39609105027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84db1e50fa9758c98eeeeb23cf915218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ce9afb03546fc8f61874a087a0d24e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d0329ae0a85e594c9d8aa32fb56f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a320289ced1c5d9f21f64798b6d9da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f9223bc24df8d429d743692fff7c06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ce9afb03546fc8f61874a087a0d24e.png)
(3)若数组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe48e7d5e735d8d69e9f225a506a96e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69bba4af78fb5091128f398ec67828de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9eff3d1302c5417ec4761a4e35d01ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220327f2cba945d250aa39861f65dbb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90ff05e463198970194af3f7fad99f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6c00feaa470ac6b13a6d5fee720fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bf8b982339342b577d2255ef9d5131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5305675786ffe3a066397f577a439a.png)
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9 . 定义:对于一个项数为
的数列
,若存在
且
,使得数列
的前k项和与剩下项的和相等(若仅为1项,则和为该项本身),我们称该数列是“等和数列”.例如:因为
,所以数列3,2,1是“等和数列”.请解答以下问题:
(1)数列1,2,p,4是“等和数列”,求实数p的值;
(2)项数为
的等差数列
的前n项和为
,
,求证:
是“等和数列”.
(3)
是公比为q项数为
的等比数列
,其中
且
恒成立.判断
是不是“等和数列”,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb8ed53d63acbc84f971bf27e03b854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e36bff57bcfa86432b340e25e51d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfae43a1ea1f5f3a031d224ac61a5f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0df3727c94ac7dd40a1167fbefe77555.png)
(1)数列1,2,p,4是“等和数列”,求实数p的值;
(2)项数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084560d2f7832c82cea659b4be76bf8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82078fcb4aeffb2fb56924507739f33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a59cafa2aa63beea36dec11d61a1ddb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26327328443a6e65db56cf4d1254b011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699e55c211a6e091cc7a9d2cde3ed981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a38c773b8a5cccaf44ccc24e4fb7cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
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名校
10 . 已知数列
满足:对任意大于1正整数n都有
成立,若
,
,则
的值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0323e1202a25a7136ea11c0777a43bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4123422b5a6621da6a3214aa8c3e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ad8f29672ebb40d03b38c2313ab064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff5f407e53b4e90157c9435f272eb4d.png)
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