数列
满足:
,
;
(1)求证:
;
(2)求证:对任意正数
,都存在正整数
使得
成立;
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea8251b5301a3bb8a72a0b5ee408dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c8f28af6b58f5d1d356ccdca4674c4.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad0269b21b7b4cbb8b51345ad3b40fc.png)
(2)求证:对任意正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef48c5f69c0db267ed83a0df6c2745fc.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6190b53b3c2362929b165929427a535c.png)
22-23高二上·上海浦东新·期中 查看更多[6]
上海师范大学附属中学2022-2023学年高二上学期期中数学试题(已下线)专题15 数列不等式的证明 微点6 数列不等式的证明综合训练(已下线)高二下期中真题精选(压轴40题专练)-【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)期中真题必刷压轴50题专练-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)(已下线)模块一专题3 数列的实际应用和综合问题单元检测篇B提升卷(高二人教B版)(已下线)模块一 专题4 数列的实际应用和综合问题单元检测篇B提升卷(高二北师大版)
更新时间:2022-11-26 17:34:38
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相似题推荐
解答题-问答题
|
较难
(0.4)
名校
解题方法
【推荐1】已知数列
满足:对任意
,都有
或
,其中数列
是以
为首项,
为公差的等差数列,数列
是以
为首项,
为公比的等比数列.
(1)若
,求
的值;
(2)若
,
,证明:数列
不为递增数列;
(3)已知
,
,
,设
为数列
的前
项和,若存在常数
,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/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2670dcd2896890b053358499bd60254a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9299c7909a87f0cc2c99d94b105e9cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92412c0c89c44d53b1bd18e4ade6267b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f002359761e557805316c2ef83146f2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d8bbb4a09e0ac86bbae46222a90841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411641715d7f5132c34f1d6eace8cd8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ce64685821c3e55c07f151996ca8c3.png)
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b3dadec5177ac63a69ea765cc2dffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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解答题-证明题
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较难
(0.4)
【推荐2】对于无穷数列{an},记T={x|x=aj﹣ai,i<j},若数列{an}满足:“存在t∈T,使得只要am﹣ak=t(m,k∈N*,m>k),必有am+1﹣ak+1=t”,则称数列具有性质P(t).
(1)若数列{an}满足
,判断数列{an}是否具有性质P(2)?是否具有性质P(4)?说明理由;
(2)求证:“T是有限集”是“数列{an}具有性质P(0)”的必要不充分条件;
(3)已知{bn}是各项均为正整数的数列,且{bn}既具有性质P(2),又具有性质P(5),求证:存在正整数N,使得aN,aN+1,aN+2,…,aN+K,…是等差数列.
(1)若数列{an}满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bae4128462f22c1c26d3f8a7eb2edd2.png)
(2)求证:“T是有限集”是“数列{an}具有性质P(0)”的必要不充分条件;
(3)已知{bn}是各项均为正整数的数列,且{bn}既具有性质P(2),又具有性质P(5),求证:存在正整数N,使得aN,aN+1,aN+2,…,aN+K,…是等差数列.
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解答题-证明题
|
较难
(0.4)
解题方法
【推荐1】已知等差数列
的首项
,前
项和为
,且
;等比数列
满足
,
.
(1)求证:数列
中的每一项都是数列
中的项;
(2)若
,设
,求数列
的前
项的和
.
(3)在(2)的条件下,若有
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9efeb4455e30293d412938eeea85d5.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/cdc670b660a421bca03cd722eb3ef945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c968ef8f37cbc55d57380015e0229f77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4125ca6a43931a8a444eeef1dd5a29db.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf48ac68980d0fd933fe8c16e4b8cffb.png)
![](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)
(3)在(2)的条件下,若有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c91053e47ad905092100501e85fe90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9677ffed5c7b9af06caa3e2f25b104.png)
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解答题-问答题
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较难
(0.4)
解题方法
【推荐2】记
为数列
的前
项和,已知
,
.
(1)求
的通项公式;
(2)令
,证明:
.
![](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/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6b7eeda1ca25d1630e3eca48061c7d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/053d545d85e8e4b7f96e41500efd6945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3593087fb880597ad563d015c7027ca.png)
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解答题-问答题
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(0.4)
【推荐1】已知数列
, 前
项和为
, 满足
.
(1)求数列
的通项公式;
(2)若
, 求数列
的前
项和
;
(3)对任意
, 使得
恒成立, 求实数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd9aa5ea928f401f91440cfa7870c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2fb45db89edf57c1e70d6c03640ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a5182ce72f39f4337f763180ade2db.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd9aa5ea928f401f91440cfa7870c83.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6ea6f9af460251d14e20873c828f29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cb8bf6cf23ae654b32a0348b15ba4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c302a108bd4c05d5b28de5e43a9092.png)
(3)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8c29b297e3ec337c3139c2a1ebed1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98943557018cf526d4373ca8103ba583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解答题-问答题
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较难
(0.4)
解题方法
【推荐2】已知数列
满足:
,
.
(1)求数列
的通项公式;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc6545b8eca1c4223ed701a199a85683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02c2f35213ff0695a150a20a8b9d519.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce6eed369010b376237ee367d745670.png)
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解答题-证明题
|
较难
(0.4)
解题方法
【推荐1】在数列
中,若存在常数
,使得任意
都有
,则称
是
数列.
(1)若数列
是
数列,且
,
,写出所有满足条件的数列
的前4项;
(2)已知数列
是等比数列,求证:
是
数列的充要条件是其公比为
;
(3)若
数列
满足
,
,
,设数列
的前
项和为
,是否存在正整数
、
,使得不等式
对一切
都成立?若存在,求出
、
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92346d262f286d8cffa834ab87d979c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb6e1c4c91b53f5cc97dfdf0dc00ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627e48c5ab76f5d1874c57a40d32d89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
(2)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0262791cc14598c6fc5ed0937d0124.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c88a7ef007c78a93e33bd77c4396626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e42e1961482c32d10aa1b3ba12a6d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a015489a920fc0f9c61f359726e7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0701f2ee93d4150457be4efaf94ce493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6c83451624b13a97e0abf0f4a9b46f0.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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac22873184ffab4a715d43c72491d816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92346d262f286d8cffa834ab87d979c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
您最近一年使用:0次
【推荐2】设
是等比数列,
是递增的等差数列,
的前n项和为
,
,
,
,
.
(1)求
与
的通项公式;
(2)设
,数列
的前n项和为
,求满足
成立的n的最小值.
(3)对任意的正整数n,设
,求数列
的前
项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](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/04e406b775bbaa0ae52dab5b7bd384a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87ef6315d9632fdf008f8ef3ddd3ca82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51f3b978ea9461f63b99efbff4cb004.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c94ca2aca4b66de40eb3ff134f11eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3bf1d737e34660453fda72a257f0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8657768383c269987d5b7850b3543a5b.png)
(3)对任意的正整数n,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea2c6ed953a282f84ea66295e9a61ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
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