1 . 已知向量
,其中
是两两不相等的正整数.记
,
,其分量之间满足递推关系
,
,
,
,
.
(1)当
时,直接写出向量
;
(2)证明:不存在
,使得
中
;
(3)证明:存在
,当
时,向量
满足
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e8a74fa30b2e3d26e572a780f8923e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636995f2a3d0002f8770cf3c4b6fb466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e8f6a7f2aa85688acec8fab018bf6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c932970f95c12bddee59fc04f0c02f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843ff24183004a105ff0c73a1fac6a01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe08794bdcc386a700cf75d9bb0a255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7455cd15ac74993fb312181398b4695f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ca738a745d910c37350fd771c6bb50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b371d5f06d5bb0bb09f4a18d2247ebf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6817d33e1286003d29ff178b336ca4.png)
(2)证明:不存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf16b1434b6595702815e3e28042da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e8f6a7f2aa85688acec8fab018bf6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77a6635810f385ba10cc174277dfc85.png)
(3)证明:存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7399fcd570d1de4057f2059759d18cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52608aa7220d68349e5bc5659072693a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e8f6a7f2aa85688acec8fab018bf6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3264f1d2a4b2ad9a4435cbd1b34296.png)
您最近一年使用:0次
名校
解题方法
2 . 已知数集
具有性质
:对任意的
,
,
,使得
成立.
(1)分别判断数集
与
是否具有性质
,并说明理由;
(2)若
,求
中所有元素的和的最小值并写出取得最小值时所有符合条件的集合
;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc95c7daae935cccf8666865cba9eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd446b1c54b898bba5260537f1b30db8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d48d21d10197c3d078db9d1ac9293e79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce133aca7a46be0dd5e055096addebac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1e76d1341e8e6bd89b7075150536bd.png)
(1)分别判断数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/997bbd93dff19a5dba79bcd9d92f3129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13470c4e9665748fdd20d0b181abc8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91a94ec87afbc073e077f2c453a304b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91fcc8350d2ed52931f48b8b5ca11215.png)
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2024-02-24更新
|
150次组卷
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2卷引用:北京市第十九中学2022-2023学年高一上学期(10月月考)期中练习(一)数学试题
名校
3 . 已知数列
满足
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
______ ;数列
的前2023项的和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5915f34b88367dc0f4c89ce8aec606d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bc56033ed621b93e754fdb15506883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次
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4 . 已知数列
具有性质 P:对任意
与
两数中至少有一个是该数列中的一项,给出下列三个结论:
①数列0,2,4,6具有性质P;
②若数列A具有性质P,则
;
③若数列
具有性质 P,则
.
其中,正确结论的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1cf3492913ca967f5d74181f8eda688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1122ef2a64ca11989cd96932caf4176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e48ef645013c977377bbdb5f819536.png)
①数列0,2,4,6具有性质P;
②若数列A具有性质P,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60f2b7192a115bbaee6acd783df76ff.png)
③若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb125b29136688713fa77d35c36ae63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4659533c1b756ea806c2c29527f937.png)
其中,正确结论的个数是( )
A.3 | B.2 | C.1 | D.0 |
您最近一年使用:0次
2023-10-17更新
|
320次组卷
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10卷引用:北京市西城区156中2016-2017学年高一下学期期中考试数学(理)试题
北京市西城区156中2016-2017学年高一下学期期中考试数学(理)试题【全国百强校】北京市第八中学少年班2016-2017学年高一下学期期末考试数学试题北京市第十二中学2021-2022学年高二3月阶段性练习数学试题北京市第一六一中学2021-2022学年高二下学期期中考试数学试题四川省成都市天府新区2020-2021学年高一下学期期末学业水平监测数学(理)试题四川省成都市天府新区2020-2021学年高一下学期期末学业水平监测数学(文)试题北京市第二十中学2024届高三上学期10月月考数学试题(已下线)模块三 专题5 数列中复杂递推式问题(高三人教A)(已下线)第01讲 4.1数列的概念(2)(已下线)压轴题数列新定义题(九省联考第19题模式)讲
5 . 已知数列
的前
项和
,其中
.
(1)求数列
的通项公式.
(2)若数列
满足
,
.
证明:①数列
为等差数列.
②求数列
的前
项和
.
![](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/5fc5eac09ed870c6711d94e558a25a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfdeaa46a2d947f1cee4272b1d3162cd.png)
证明:①数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a3cf80a8cdbddcd1b2f4f1ea8a64f72.png)
②求数列
![](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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
2020-11-12更新
|
760次组卷
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5卷引用:【全国百强校】北京市第八中学少年班2016-2017学年高一下学期期末考试数学试题
名校
6 . 数列{an}的首项a1=2,且(n+1)an=nan+1,则a3的值为( )
A.5 | B.6 | C.7 | D.8 |
您最近一年使用:0次
2020-03-21更新
|
860次组卷
|
7卷引用:北京市昌平区2016-2017学年第二学期高一年级期末质量抽测数学试题
北京市昌平区2016-2017学年第二学期高一年级期末质量抽测数学试题北京市丰台区2021-2022学年高二下学期期中练习数学(A卷)试题北京市第十九中学2021-2022学年高二下学期期中考试数学试题安徽省六安市第一中学2018-2019学年高二上学期开学考试数学(文)试题2019年浙江省普通高中学业水平名校模拟卷(七)(已下线)5.1.2 数列中的递推-2020-2021学年高二数学课时同步练(人教B版2019选择性必修第三册)(已下线)第五章 数列 5.1 数列基础 5.1.2 数列中的递推
名校
7 . 已知数列
的每一项都是非负实数,且对任意都有
.
或
.若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e4487468ab2823d6dbf7f0ebd2eb38.png)
_________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04c7ba0ffd54e60b2829f4440c91ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50186356ad5e12a3cc528da79be5436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2352340ca3513abeb571db05a61316b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5359c8fdc022d7044ffb6fdb291666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105391c64c5ae130afe38506a919338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d626490f984367c40ea59f7b40a6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e4487468ab2823d6dbf7f0ebd2eb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
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解题方法
8 . 已知数列
满足:
,
.
(
)求
,
,
的值.
(
)求证:数列
是等比数列.
(
)令
,如果对任意
,都有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481870593d2c656f975e61da16eaa014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52e12bd47ed7eaf889dee4c1204408c.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c895d4ce5ce82ef9b311b9369b4de11.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53ea5b625018a40693daadd75b0e0899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd624bda9f45309816fc1e6f27e42675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2018-04-02更新
|
699次组卷
|
5卷引用:北京市海淀区北京57中2016-2017学年高一下期中考试数学试题
解题方法
9 . 在无穷数列
中,
,对于任意
,都有
,
,设
,记使得
成立的
的最大值为
.
(1)设数列
为
,
,
,
,
,写出
,
,
的值.
(2)若
为等比数列,且
,求
的值.
(3)若
为等差数列,求出所有可能的数列
![](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/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b614e06663d93a618d95f416e35af54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a5945ce5c2114af8c18718ca8dc899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6b18b109a656b62fb173680ae99ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19db2869aeaf97debfa2e2f9a4843a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f64696f60c533ad95dc7890eb902741.png)
(1)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57483e04fd1840c87ac5325157149877.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f7b77e4b560cfadbdb07c2dc00b3f4.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
您最近一年使用:0次
名校
解题方法
10 . 数列
满足
,
,其前
项和为
,则
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
_______ ; (2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c88abd936125401c8d7e3bc21f4396.png)
_______ .
![](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/7c0d8486813b9e761b8389a1cd51c587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c88abd936125401c8d7e3bc21f4396.png)
您最近一年使用:0次
2017-07-06更新
|
536次组卷
|
3卷引用:北京市丰台区2016-2017学年高一下学期期末考试数学试题