名校
1 . 定义:若数列
满足,存在实数
,对任意
,都有
,则称数列
有上界,
是数列
的一个上界,已知定理:单调递增有上界的数列收敛(即极限存在).
(1)数列
是否存在上界?若存在,试求其所有上界中的最小值;若不存在,请说明理由;
(2)若非负数列
满足
,
(
),求证:1是非负数列
的一个上界,且数列
的极限存在,并求其极限;
(3)若正项递增数列
无上界,证明:存在
,当
时,恒有
.
![](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/e97769855336d73371930df1f187875e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5612ce06759d0f77ca029d10083f7d1e.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/63d471926f7b27322d90c82b9ce21d3d.png)
(1)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d9d536550d997c0e8a4ee5e0525f59.png)
(2)若非负数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bae03ee4ac75dacfb026290e4207dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add7db1d2bf6c4c50fb3d7f9297a7d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(3)若正项递增数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d3ef092cafab4bedf93cf06f23a435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52eecd38954cd0ca3fb26328a39bb859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c7f98cf7b4b5511058825274297044.png)
您最近一年使用:0次
2019-08-16更新
|
882次组卷
|
6卷引用:上海市复旦大学附属中学2018-2019学年高三下学期期末考试数学试题
上海市复旦大学附属中学2018-2019学年高三下学期期末考试数学试题上海市复旦大学附中2018-2019学年高三下学期5月月考数学试题2019年上海市复旦附中高三5月模拟数学试题(已下线)4.4数学归纳法的应用(第2课时)(作业)(夯实基础+能力提升)-【教材配套课件+作业】2022-2023学年高二数学精品教学课件(沪教版2020选择性必修第一册)(已下线)第4章 数列(基础、典型、易错、压轴)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)(已下线)第10讲 数学归纳法与数列综合应用-2
2 . 在数列
中,
,且对任意的
,
、
、
构成
为公差的等差数列.
(1)求证:
、
、
成等比数列;
(2)求数列
的通项公式;
(3)设
,试问当
时,数列
是否存在极限?若存在,求出其值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bae03ee4ac75dacfb026290e4207dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a949b947e9961d4d68bfeb4e24ef40f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c96788577cf6bec6dc77aa39b7e4af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f766fe39702fecd2b6c21855757907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93be7ab21cfc858530a289bf0df381c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad491e5b5e14c49ef8b7004ebcfcef9.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da4cd81500bdb43118150dbdb1541e6.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c19c544c7df445f84ce7da0a901b00c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0eee3171fa7223e87af0fa95abfd10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd5b6b78b5b764e6d0a7db5af0f9fee.png)
您最近一年使用:0次
3 . 函数
满足
,当
时,
恒成立,又
满足:
,
,设
.
(1)在
内求实数
,使得
;
(2)证明:数列
是等比数列,并求
的表达式以及
的值;
(3)是否存在正整数
,使得对任意
,都有
成立,若存在,求出
的最小值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d25529e1f1ee84da70459bf7ffa9ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073bd519f70576bee70a7ec7b7ac38fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f97718f1472e11502eaa775b58bd05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44123f6e47e69997f029956949884b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26bd53dd2cc57cead89f89b46d304a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31028ee632a33f46f1358714fc992d54.png)
(1)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c275d203295b989c129101d82e74ae01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca14ec136e9ac710ea562bc66a05b79d.png)
(2)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4982eefc80c259419147de7ff8e5074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09c2f627b80a0301d0112f4ebb51316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3307cc210d44315380725216d10ff3d2.png)
(3)是否存在正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aba95f1aacf777532636f8409030f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
4 . 设数列
满足:
,
的前n项和为
.
(1)设
,求证:数列
是等比数列;
(2)求
;
(3)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219e5b1f92cfb4890b7c2abb7ea45c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980d51ba3340a31964fbec9e6f243ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f9677923fb404ec3f4707f392203f9.png)
您最近一年使用:0次
5 . 已知数列
的前n项之和
满足
.
(1)求证:
是公比为
的等比数列;
(2)求适合
的r的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5aa6400b1a788ab133e8415d0579721.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28bd788fa652158ab4415ec31cb9aef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0573fd9b5cb0bb450bb548175deaf64.png)
(2)求适合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a63801fa4cfc5d7eb49e443de8be44d.png)
您最近一年使用:0次
2020-06-26更新
|
189次组卷
|
3卷引用:沪教版(上海) 高二第一学期 新高考辅导与训练 第7章 数列与数学归纳法 7.8(2)无穷等比数列各项的和的应用
沪教版(上海) 高二第一学期 新高考辅导与训练 第7章 数列与数学归纳法 7.8(2)无穷等比数列各项的和的应用沪教版(2020) 选修第一册 单元训练 第4章 等比数列(A卷)(已下线)4.2无穷等比数列各项和(第3课时)(作业)(夯实基础+能力提升)-【教材配套课件+作业】2022-2023学年高二数学精品教学课件(沪教版2020选择性必修第一册)
名校
6 . 已知:函数
,数列
对
,总有
;
(1)求
的通项公式;
(2)设
是数列
的前
项和,且
,求
的取值范围;
(3)若数列
满足:①
为
的子数列(即
中每一项都是
的项,且按在
中的顺序排列);②
为无穷等比数列,它的各项和为
,这样的数列是否存在?若存在,求出所有符合条件的数列
.写出它的通项公式,并证明你的结论;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910617443037769340f252e4efe21536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ea88016f672b8f54901e457cceecca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d500d7b62f418a4bcd75ce718c8c5a7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4373b0bead6e6acdd697c6693e7d4af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
您最近一年使用:0次
名校
7 . 某公司全年的纯利润为
元,其中一部分作为奖金发给
位职工,奖金分配方案如下首先将职工工作业绩(工作业绩均不相同)从大到小,由1到
排序,第1位职工得奖金
元,然后再将余额除以
发给第2位职工,按此方法将奖金逐一发给每位职工,并将最后剩余部分作为公司发展基金.
(1)设
为第
位职工所得奖金额,试求
并用
和
表示
(不必证明);
(2)证明
并解释此不等式关于分配原则的实际意义;
(3)发展基金与
和
有关,记为
对常数
,当
变化时,求
.(可用公式
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a592db7207c83a957c5c1ebe8ab444d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16381905151ad60474343fffffa79324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e5f2f7c890a838ad49ccc53cd26d6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d93eab1dccceb00a62c77b0d8ab483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f255d0395fba51ca2d44293cca42e0a.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45792ad056ab800ba31265c7c64e02ee.png)
(3)发展基金与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec2f9c0942fd3920ff7052b53a3d6dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52fae9caaa3009711c08099a5c9f3029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6630d3df16973225830a52a5a460b7b6.png)
您最近一年使用:0次
8 . 已知数列
满足
,
.
(1)求
,
,
,
的值;
(2)猜想
的通项公式,并用数学归纳法证明;
(3)已知
,设
,记
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7def23f30138e0b7c4c1e498d6903a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a10b83d9bd39aca575534bf0dabf28.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
(2)猜想
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3eba2d7170e5aead2871d18359799ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9252b867e037ef3bfef7bedbb9d7498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac96b09d3eccdb9a4c17ecbdec9ecebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58abe92020722722506c7b12c7879ac5.png)
您最近一年使用:0次
9 . 已知等差数列
,公差
,前
项和为
,且满足
.
(1)求数列
的通项公式及前
项和为
;
(2)设
,
①求证
是等差数列.
②求数列
的前
项和
.
③求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ce64685821c3e55c07f151996ca8c3.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/fae755a8d589ca265794fe8d722ce378.png)
(1)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)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c9e5f37f71f2ca1c3dbcba133edecc1.png)
①求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
②求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c5c2d777efa6bd6e832b5755f8e436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
③求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/225bbb83fe8f4e8c3b3a11843aa20d84.png)
您最近一年使用:0次
10 . 已知一列非零向量
满足:
,
,其中
是正数
(1)求数列
的通项公式;
(2)求证:当
时,向量
与
的夹角为定值;
(3)当
时,把
中所有与
共线的向量按原来的顺序排成一列,记为
,令
,
为坐标原点,求点列
的极限点
的坐标.(注:若点坐标为
,且
,则称点
为点列的极限点)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5131b36c7f2f8cab46711b57407087ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4987a7e32564f64f342c2559b9a8ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de148b63ee4c6e244da5e5a73c4a95c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795b380a4edc07fb7517ea7936e59265.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2121e9cac7d80abd7c6a0c0de5c67a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1522e062601bd8cbf0e1dfb46dc99479.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a2a34b4317deffa40ba34e269c2b81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ca123547dd34334e6be2d57e8417246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d970a4c8abf3fe4da3382206086a6cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a6fdd5301d0235f33fadfe1fc7cff16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50fb36b78225ad73e6fa6e9adda0998a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc5d10484bd7ecd36924b654e80090d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a291014d9edc235d7e02141f43c1c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7320c2685a421289ef1c60393f17371d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ed25d9d6a5e2d19dcf13efa78d1171.png)
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