名校
1 . 设非常数数列
满足
,
,其中常数
,
均为非零实数,且
.
(1)证明:数列
为等差数列的充要条件是
;
(2)已知
,
,
,
,求证:数列
与数列
中没有相同数值的项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d716659722cbc0132626ceab9b404e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3cd71690942ef82b8dc04580efc93a.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcebe948fb198d4fde0df1a1abe680bc.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0733e8dfacbad67bdb7c26930acddaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234dd79e0081ba0ebd0f7cd4d7d5bef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad6d8a8a57db1c2fc7f465d2cfd2aa78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81e4c91a371984fd3d13330c902b07b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18bc279fef6843dddded8abfa0fbe63e.png)
您最近一年使用:0次
2021-06-08更新
|
791次组卷
|
6卷引用:江苏省苏州市吴江区震泽中学2022-2023学年高二10月月考数学试题
江苏省苏州市吴江区震泽中学2022-2023学年高二10月月考数学试题江苏省南京师范大学《数学之友》2021届高三下学期二模数学试题(已下线)第17题 数列解答题的两大主题:通项与求和-2021年高考数学真题逐题揭秘与以例及类(新高考全国Ⅰ卷)(已下线)专题08 数列-备战2022年高考数学(文)母题题源解密(全国乙卷)(已下线)卷09 高二上学期12月阶段测-【重难点突破】2021-2022学年高二数学上册常考题专练(人教A版2019选择性必修第一册)(已下线)查补易混易错点04 数列-【查漏补缺】2022年高考数学三轮冲刺过关(新高考专用)
11-12高三·重庆·阶段练习
2 . 已数列
满足
,
,
,
.
(1) 证明:数列
为等比数列;
(2) 求数列
的通项公式;
(3)
,
的前
项和为
,求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381576e698a46df8c497e6b5f8346ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d786bde127368fd1b2ed7a7d233db866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97fd36770526beec81cf72253525f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728c1c7345ccca5620c26591874c301c.png)
(1) 证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b98cbebf66c102005683f09b6e99f33.png)
(2) 求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10140be9a719b34d8a0a00897eab3e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee4464b3b4eb6e52ee02f095aae84f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b708c8dcb2d66eb2ce0b3718a9cd924a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72fecbaf452588a8cf00c16d01ddb01.png)
您最近一年使用:0次
11-12高三下·北京朝阳·阶段练习
3 . 已知各项均为非负整数的数列
,
,
,
,满足
,
.若存在最小的正整数
,使得
,则可定义变换
,变换
将数列
变为
,
,
,
,0,
,
,
.设
,
,1,
.
(1)若数列
,1,1,3,0,0,试写出数列
;若数列
,0,0,0,0,试写出数列
;
(2)证明存在数列
,经过有限次
变换,可将数列
变为数列
;
(3)若数列
经过有限次
变换,可变为数列
.设
,
,2,
,
,求证
,其中
表示不超过
的最大整数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae042263f3b7ce512320a7148baa724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c996bcd14149792beddc817232d5223d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c8d0474f7d81ef8dbefaacfd5afe7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e4d07536ef32771e2f7b663d778661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d16bad5d7d2a0683654b8bca4b0b1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cfd90034be27bd549bff6ba9f3711cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77311d40ef50a900cb46680f917f0d7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f974ab6b958a752f8676150487831cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/217b927efe12a98e1082ecd7f035b921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63abc00fb752da8d6261f4d9c7f8a868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1487f4b936e5f924fa6b1ea298e302f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5cfdde9c6d1b8bb15b7bb506c30ca8.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc12e4a7c5419c166a1fdc0ae55eda8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5002f030017f6f0b34a61b2e15c5a9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a44ad5355d0e43ad9a1b8ec74373c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
(2)证明存在数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d144544bd6df279514d7e8483fbb1c.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d144544bd6df279514d7e8483fbb1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23819fa1ef78b4a00c2231390ccc3245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882abcce3accf2293e9976b054e92d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6f9256cd0df49c36951818db959695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40da12b68a6b48910028c49657f160bd.png)
您最近一年使用:0次
名校
解题方法
4 . 已知数列
满足:①
;②当
时,
;③当
时,
,记数列
的前
项和为
.
(1)求
的值;
(2)若
,求
的最小值;
(3)求证:
的充要条件是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9af4e10e79081d9d8f308f4469602a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e4e227352dd59fd2db5668eef89696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7428a907e1e376d64b44d693f2955f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0890b68f92a6f8c158aa50b37a97f700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a5945ce5c2114af8c18718ca8dc899.png)
![](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)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26456abc978dd2173dedc6ffdf181fc0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d6b8f10142a7b23ee19cae223f378c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0f924858fdfc9403142fcbce46de32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526e30684a73181d5863bdacd62fbf0e.png)
您最近一年使用:0次
解题方法
5 . 已知数列
满足
,且
,数列
满足
,且
(
表示不超过
的最达整数),
.
(1)求
;
(2)令
,记数列
的前
项和为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b27d183fca6217c8be7c334613e8ee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14835bf3f00139ccec0694d0924db795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae42543d271e27c181a8ba4f458ec1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cdf67ee471259fd7055f422cf7f2deb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f161c2a3717f1b6c62d0d7dae0b606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a36f980e033927c9ca246316e88674.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca84e405a2ff721664ec3459ff724996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ab0309e2cd35585ea9fb2cc3017abf.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/82ac1a7bbdd844ca98ea5d667d3a91b0.png)
您最近一年使用:0次
6 . (1)已知
是等差数列
的前n项和,证明:
是等差数列;
(2)已知数列
的通项公式
,前n项和为
,求
取得最小值时n值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dea1dd4ffcb4cf0697ca43079f6a1f2.png)
(2)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d87ed8c93c3821c122b4eeded16bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
名校
解题方法
7 . 已知数列
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0adebbbc1fdb8dcce47722eb835917.png)
,
.
(1)证明:数列
是单调递增数列;
(2)记
,求
的取值范围;
(3)记
,试问
是否为定值?如果是,请证明,如果不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d12688460c5bedb198a6b5f06ef68c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0adebbbc1fdb8dcce47722eb835917.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9dab85b367008f136f270f1eba0a7b.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3d05f1ea6d28a6b4728871e28fc9b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7dcca2acb8fb6e6a6933a02e0a130b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c60d1623d5d89c47f988bbb1b21694.png)
您最近一年使用:0次
解题方法
8 . 已知各项非零的数列
,其前
项的和为
,满足
.
(1)若
,证明:
;
(2)是否存在常数
,使得
是等差数列?若存在,求出
的所有可能值;若不存在,说明理由.
![](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/7043ea34efe905f86c29db587200cfef.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a783088120d67cc98936081e80fb7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25ae2135b9d32092d9ce14c7fa9e545.png)
(2)是否存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
名校
9 . 设
为给定的正奇数,定义无穷数列
:
若
是数列
中的项,则记作
.
(1)若数列
的前6项各不相同,写出
的最小值及此时数列的前6项;
(2)求证:集合
是空集;
(3)记集合
正奇数
,求集合
.(若
为任意的正奇数,求所有数列
的相同元素构成的集合
.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0d7559d8dfa8236ca9d4b1853fbdec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77576292d833c93bdcf4da9787ee0db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f255d0395fba51ca2d44293cca42e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0d7559d8dfa8236ca9d4b1853fbdec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/003dd0feaa12a01db4c777784889c374.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0d7559d8dfa8236ca9d4b1853fbdec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求证:集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3884cadaff5a78756698d57c41f305d.png)
(3)记集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611448a63d973f73f8c0026dd38ac932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7dbf7c1220f9db7d313570143f4a709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0d7559d8dfa8236ca9d4b1853fbdec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
2023-12-21更新
|
1102次组卷
|
4卷引用:北京市西城区北师大附属实验中学2024届高三上学期12月月考数学试题
北京市西城区北师大附属实验中学2024届高三上学期12月月考数学试题(已下线)专题1 集合新定义题(九省联考第19题模式)练湖南省2024届高三数学新改革提高训练二(九省联考题型)(已下线)4.3 数列-求数列通项的八种方法(八大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
10 . 设无穷数列
的前
项和为
为单调递增的无穷正整数数列,记
,
,定义
.
(1)若
,写出
的值;
(2)若
,求
;
(3)设
求证:对任意的无穷数列
,存在数列
,使得
为常数列.
![](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/372f0abc57b516a10434fd6e0503da0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d393ea0e9bfd5ade72a01e56904bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00df4cc08b680878e1881817ab72f942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0653f2ca29a375065bb5e5d84f77711b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba30c90e7a7dab93fd1716e66f88db3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0899c936427ad281fdfff3e1140a4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46db89b7405ffc87a2b941cf12e64e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11be0364247bc8af1552270971322971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b8cab826cc05d7a0fad431bfc0722b.png)
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