1 . 对于数列A:a1,a2,⋅⋅⋅,an,若满足ai∈{0,1}(i=1,2,3,⋅⋅⋅,n),则称数列A为“游戏数列”定义变换T:T将“游戏数列”A中原有的每个1都变成0,1,原有的每个0都变成1,0例如A:1,0,1,则T(A):1,0,0,1,1,0,设A是“游戏数列”,令Ak=T(Ak﹣1),k=1,2,3,⋅⋅⋅
(1)数列A2:1,0,0,1,0,1,1,0,1,0,0,1,求数列A1,A0;
(2)若数列A0共有5项,则数列A2中连续两项相等的数对至少有几对?并请说明理由;
(3)若A0为0,1,记数列Ak中连续两项都是0的数对个数为lk,k∈N,求lk关于k的表达式.
(1)数列A2:1,0,0,1,0,1,1,0,1,0,0,1,求数列A1,A0;
(2)若数列A0共有5项,则数列A2中连续两项相等的数对至少有几对?并请说明理由;
(3)若A0为0,1,记数列Ak中连续两项都是0的数对个数为lk,k∈N,求lk关于k的表达式.
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2 . 在平面直角坐标系
中,点列
,满足
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597bded9d9917e59971f13f4ce326515.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579d8c77ad6d180da252b898a2560738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b799348da3b45d4e2aa49e5064d7dbb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96a5581bc5da9c4214cd384a45dca09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597bded9d9917e59971f13f4ce326515.png)
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3 . 如果有穷数列
(m为正整数)满足条件
,即![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d58e15de1b07667b44bb0e187d43965.png)
,我们称其为“对称数列”.例如,数列1,2,5,2,1与数列8,4,2,2,4,8都是“对称数列”.
(1)设
是项数为7的“对称数列”,其中
是等差数列,且
.依次写出
的每一项;
(2)设
是49项的“对称数列”,其中
是首项为1,公比为2的等比数列,求
各项的和S;
(3)设
是100项的“对称数列”,其中
是首项为2,公差为3的等差数列.求
前n项的和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f42beacb05b4e0ef7bc5054d963657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd77932c26ce24576308c4ed4ffaff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d58e15de1b07667b44bb0e187d43965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c410d893ae9b389262bcd6553ed02bbe.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a447e5baee4f7518706498d4aca7553b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37315fc505a5be225c5b2d0aa3f5025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88f01c3f7abc6fb390b5f9bcbeef700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d717398566e4a7769dc4bb6865195f0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45404a6c16a16968629c5e03a3fcdbc4.png)
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2022-11-09更新
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3卷引用:上海市同洲模范学校2017-2018学年高二下学期3月月考数学试题
2022高三·全国·专题练习
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4 . 已知各项均为正数的数列
,其前
项和为
,
.
(1)若数列
为等差数列,
,求数列
的通项公式;
(2)若数列
为等比数列,
,求满足
时
的最小值.
![](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/b065334d8f60c49f4bd3d9f1373fe4cd.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad13b74344ed3d7aacb3e7ebbe635f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf093e5d54c8725f0377fcdf153a0bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f022f351c91e2e842a1db620c8c5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2022-11-06更新
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3卷引用:上海市宝山区上海师大附属宝山罗店中学2023-2024学年高二下学期第一次诊断性测试(3月)数学试卷
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5 . 已知数列1,1,2,1,2,4,1,2,4,8,1,2,4,8,16…,设N为项数,求满足条件“
且该数列前N项和为2的整数幂”的最小整数N的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4786505399b1add8e1f6ac5cd15ca1a6.png)
A.110 | B.220 | C.330 | D.440 |
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2022-10-19更新
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935次组卷
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3卷引用:上海市延安中学2023届高三上学期10月月考数学试题
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解题方法
6 . 已知数列满足
,设
,
为数列
前n项和,若
(
为常数),则
最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af87c61465d91580746c23e37ff468b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069a529be0986512ec9d6d42b4df4003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195431ccf2756a0db26f14b7b91a32a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009072f23b1e8c6f4eb0280a69f8cd5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9faeed172ec5b88966b0d1c52748d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9faeed172ec5b88966b0d1c52748d41.png)
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7 . 设等比数列
的前n项和为
,若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d89e9567141ee56be321bb141f5daea.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c402bd664deb2f476aa3ea778f5bce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19767b688a82431fe03f67452f183e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d89e9567141ee56be321bb141f5daea.png)
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2022-10-19更新
|
931次组卷
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11卷引用:上海市延安中学2023届高三上学期10月月考数学试题
上海市延安中学2023届高三上学期10月月考数学试题上海市洋泾中学2024届高三上学期10月月考数学试题江苏省常州市华罗庚中学2022-2023学年高二上学期11月月练数学试题【全国校级联考】华大新高考联盟2018届高三4月教学质量检测文科数学试题【全国百强校】河北省衡水市衡水中学2019届高三年级第二学期一模考试数学(文科)试题(已下线)测试卷37 数列(A)-2021届高考数学一轮复习(文理通用)单元过关测试卷苏教版(2019) 选修第一册 必杀技 第四章 第4.3节综合训练(已下线)专题17 数列(练习)-1(已下线)4.3 等比数列(2)(已下线)4.3.2 等比数列的前n项和公式(精讲)-【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)河南省濮阳市第一高级中学2023届高三模拟质量检测文科数学试题
8 . 若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af93a69f9b370cd469ea70f346a293a9.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853eace02560e7f1490694276c29a856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938875f657387d63dde0a19bda2ddb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ad4897a05a6a26b10e2d8379137fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af93a69f9b370cd469ea70f346a293a9.png)
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2022-10-16更新
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3卷引用:上海市大同中学2022-2023学年高二上学期10月月考数学试题
解题方法
9 . 已知各项均为正数的等比数列
.公比为q,前n项的和为
.
(1)若
.且
成等差数列,求q的值:
(2)求证:
,对任意正整数n恒成立;
(3)若
,设数列
满足
.对任意正整数n.不等式
恒成立,求实数入的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853eace02560e7f1490694276c29a856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13daf5e91172620732fca0d230176ad3.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb5c3f7faecf0eb7c37625f7b363e0a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207122b4594b80a670136d5194f74ba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46c391409faeaf2c145a25ce442b3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0ddbc67367401b85e3193c758ff574.png)
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10 . 若等比数列
的首项和公比均为
,其前
项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d4520fc01321c2c3861f2c8721c2a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
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