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1 . 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
、
、
,以此类推,若
且该数列的前
项和为2的整数幂,则
的最小值为( )
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.440 | B.330 | C.220 | D.110 |
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2020-01-14更新
|
602次组卷
|
4卷引用:上海市南模中学2017-2018学年高三上学期开学考数学试题
上海市南模中学2017-2018学年高三上学期开学考数学试题(已下线)第四章 数列单元测试(提升卷)-2020-2021学年高二数学新教材单元双测卷(人教A版2019选择性必修第二册)广东省佛山市顺德区东逸湾实验学校2022-2023学年高二下学期3月月考数学试题甘肃省临夏、甘南两地2022-2023学年高二上学期12月期中联考理科数学试题
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2 . 定义在
上的函数
满足
,且
,则下面四个式子:①
;②
;③
;④
;与![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ae2c52b3ed8a399057da53637ac7dc.png)
相等的式子的序号为_________ (写出所有满足条件的式子的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317ded343f7889b6ce99fb248c9181b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/957c0efaa3cece5cb7ef1468d391fed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b9f97e0f3248a44dc70e0ac77c842e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5199fe04f00ff3eca25ba8723311e0b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ae2c52b3ed8a399057da53637ac7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09597b9e9e5de228468cc34de4f0f5eb.png)
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2020-01-13更新
|
73次组卷
|
2卷引用:上海市延安中学2016-2017学年高三下学期开学考试数学试题
名校
3 . 已知无穷等比数列
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5edb7ddaacdb7ef1fc5a87e67da02e.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f4e1236d7dc0366d9523d0cbb426be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e865c655a118db73cb2e43b7cd61916f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5edb7ddaacdb7ef1fc5a87e67da02e.png)
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4 . 设
是公比为
的等比数列,首项
,对于
,
,当且仅当
时,数列
的前
项和取得最大值,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa08a089a48737b6a0c47cd150b9f12a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/680018f55067af9d7fa8bbd9bf6233d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-01-13更新
|
561次组卷
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2卷引用:上海市延安中学2016-2017学年高三下学期开学考试数学试题
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5 . 定义:对于任意
,满足条件
且
(M是与n无关的常数)的无穷数列
称为M数列.
(1)若等差数列
的前
项和为
,且
,判断数列
是否是M数列,并说明理由;
(2)若各项为正数的等比数列
的前
项和为
,且
,证明:数列
是M数列,并指出M的取值范围;
(3)设数列
,问数列
是否是M数列?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f165a34038d89623948dbe0a669df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5612ce06759d0f77ca029d10083f7d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)若等差数列
![](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/998f5aef88cd5d583707464d3a11f187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)若各项为正数的等比数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.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/2f617305d7343adb94241921816b264f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de777c4e44546bcfe26ad5b6bb418052.png)
(3)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf1c8b23b5c5835f9775b1750976659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
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6 . 已知无穷数列
,满足
.
(1)若
,求数列前10项和;
(2)若
,且数列
前2017项中恰有100项是0,求
的可能值;
(3)求证:在数列
中,存在
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9442d768225b21b8b7259cafd23c0599.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cefeddf71dca8ae824328df3f0e5e1e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2d21ef42dcd5fbd1f2ee68ddfb5489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)求证:在数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b6d151d3f864bae873987f6db9327a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e41e7a5e25d22a93c5b5c4e3da6bcf9.png)
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7 . 已知等比数列
的前
项和为
,则下列一定成立的是( )
![](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)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
2020-01-07更新
|
382次组卷
|
3卷引用:上海市闵行区七宝中学2016-2017学年高三下学期开学考试数学试题
上海市闵行区七宝中学2016-2017学年高三下学期开学考试数学试题(已下线)上海市华东师范大学第二附属中学2016-2017学年高一下学期期末数学试题湖北省襄阳市第一中学2019-2020学年高二下学期2月月考数学试题
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8 . 已知数列
通项公式为
,其前
项和为
,则双曲线
的渐近线方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de85a69e4af66d860c569e3cd5c741df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f558992e649b93ee36f37513781311a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73bea0efc0d2e7a6ab308162a857b3b8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知数列
满足:对任意的
均有
,其中
为不等于0与1的常数,若
,
,则满足条件的
所有可能值的和为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec295b3214120599a9c069a43ff301a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecad7dae7d34020ca3f767fc97ed3c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ad7a0ba689863d59d9b3221f4f6610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
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2020-01-07更新
|
310次组卷
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2卷引用:上海市闵行区七宝中学2016-2017学年高三下学期开学考试数学试题
10 . 已知数列
,
,
,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c0062e5a519fd16ebe52ff2ba086b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4e92d98960c31576768790fdd9c0e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980b58d5b67d26bd2a392d6dd07ed666.png)
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