1 . 已知①设函数
的值域是
,对于
中的每个
,若函数
在每一处
都等于它对应的
,这样的函数
叫做函数
的反函数,记作
,我们习惯记自变量为
,因此
可改成
即为原函数的反函数.易知
与
互为反函数,且
.如
的反函数是
可改写成
即为
的反函数,
与
互为反函数.②
是定义在
且取值于
的一个函数,定义![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db6c5d65e0ccd27748fcbc420c6a2e22.png)
,则称
是函数
在
上的
次迭代.例如
,则
.对于一些相对复杂的函数,为求出其
次迭代函数,我们引入如下一种关系:对于给定的函数
和
,若函数
的反函数
存在,且有
,称
与
关于
相似,记作
,其中
称为桥函数,桥函数满足以下性质:
(i)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0e8a92152787274ed6e06a21ef1661.png)
(ii)若
为
的一个不动点,即
,则
为
的一个不动点.
(1)若函数
,求
(写出结果即可)
(2)证明:若
,则
.
(3)若函数
,求
(桥函数可选取
),若
,试选取恰当桥函数,计算
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e66c24e657d998beb013ad1fb311d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f93e3581e920716e710e22b31006bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f93e3581e920716e710e22b31006bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63ced31d098cfb0cf14d906e97e6353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e66c24e657d998beb013ad1fb311d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955f3c2b80eebc3f88c804112e5f41f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955f3c2b80eebc3f88c804112e5f41f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb87ce86e2c9a1a8188b03b74438fdd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb87ce86e2c9a1a8188b03b74438fdd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e66c24e657d998beb013ad1fb311d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ef38135b0e7906687d8a4918a4cb67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43737e3ca063dfc210d0c72924a4930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808bd2fc4b344e7669fca65b4fa122df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808bd2fc4b344e7669fca65b4fa122df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db6c5d65e0ccd27748fcbc420c6a2e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c110a1293773729278a214c7fe8d544e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33cfe27fd2276a7c542f062c17b4d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052ddf3664af9ab2990f3ea622997e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910ca4e4f009554b599eab90e1d94c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71567deb76e48f8a2424b06536cbe465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66b033ee7a03c7b3508583481465275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1249f186df944244da02e1b8c754005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
(i)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1249f186df944244da02e1b8c754005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0e8a92152787274ed6e06a21ef1661.png)
(ii)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f199ad3fad8657afa38f370b319a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192bb45bd15b200f40b34377bc58905b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33cfe27fd2276a7c542f062c17b4d85.png)
(2)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1249f186df944244da02e1b8c754005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99315f5b2ae9bea18e06401b41d3780c.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33cfe27fd2276a7c542f062c17b4d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ab7717944da2b6cc305b6a65f91408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c85f9d9be0ba965ff7beb0e011267f29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bee7f1ccd52c7d526b6d466b970e769.png)
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2 . 平面上
个圆最多把平面分成
个区域,通过归纳推理猜测
的表达式,再利用数学归纳法证明.用数学归纳法证明的过程中,当
时,需证
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba21f3d0cfc86d40e2e06446623ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056a3376fabf84be387cf75f3bba6d2e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知数列
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008348710d58f60262da3759afd4e606.png)
A.当![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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2023-06-19更新
|
11140次组卷
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27卷引用:北京市东直门中学2023-2024学年高一上学期期中考试数学试题
北京市东直门中学2023-2024学年高一上学期期中考试数学试题2023年北京高考数学真题专题05数列(成品)(已下线)2023年北京高考数学真题变式题6-10(已下线)北京十年真题专题06数列北京十年真题专题06数列山西省晋城市第一中学校2024届高三上学期8月月考数学试题上海市育才中学2024届高三上学期10月调研数学试题上海市南洋模范中学2024届高三上学期10月月考数学试题(已下线)模块四 第五讲:利用导数证明不等式【练】上海市普陀区晋元高级中学2024届高三上学期秋考模拟数学试题(已下线)第1讲:数列的函数性质应用【练】(已下线)数列的综合应用(已下线)第3讲:数列中的不等问题【练】(已下线)第4讲:数列中的最值问题【练】(已下线)专题06 数列在高考中的考法(难点,十一大题型+过关检测专训)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)(已下线)第4章 数列(压轴题专练)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)(已下线)专题05 数列 第三讲 数列与不等关系(分层练)(已下线)重难点10 数列的通项、求和及综合应用【九大题型】(已下线)专题28 数列的概念与简单表示(已下线)专题06 数列小题(理科)-2(已下线)专题05 数列小题(7类题型,文科)河南省信阳高级中学2024届高三5月测试(一)二模数学试题专题03导数及其应用专题13导数及其应用(已下线)五年北京专题09导数及其应用(已下线)三年北京专题09导数及其应用
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4 . 观察数列:①
;②正整数依次被4除所得余数构成的数列
;③
.
(1)对以上这些数列所共有的周期特征,请你类比周期函数的定义,为这类数列下一个周期数列的定义:对于数列
,如果________________,对于一切正整数
都满足___________________成立,则称数列
是以
为周期的周期数列;
(2)若数列
满足
,
为
的前
项和,且
,求数列
的周期,并求
;
(3)若数列
的首项,
,且
,判断数列
是否为周期数列,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d9f608508a65794125b39e67b98eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6d15b3f5b6f23a9cb341ff3e43f215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078205bbd0d854b6aaf5aa6e0a772723.png)
(1)对以上这些数列所共有的周期特征,请你类比周期函数的定义,为这类数列下一个周期数列的定义:对于数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff13e48f70a467d750be8179c63f534.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/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6492a4d97fd8f988963cf177ec14fcb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbf62141da783d700923fa2d17b9ae0.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f61c2e3ee306d0c805f54f83761f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9cef966e838bf77be9b00d410741c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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5 . 我们学习了数学归纳法的相关知识,知道数学归纳法可以用来证明与正整数n相关的命题.下列三个证明方法中,可以证明某个命题
对一切正整数n都成立的是( )
①
成立,且对任意正整数k,“当
时,
均成立”可以推出“
成立”
②
,
均成立,且对任意正整数k,“
成立”可以推出“
成立”
③
成立,且对任意正整数
,“
成立”可以推出“
成立且
成立”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daab2e7f7f9ea6d1dcaf060c783c756b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa328960e6dc80959cfc59089c797a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b9a20da2019c8c6697f365456c1cf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c6880e36dad6b438097e61cc6f0d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540addad0bd4f41e2fdc9d911cfef232.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa328960e6dc80959cfc59089c797a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bf3ba483958f9b27207938daa33b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1727fb87c29714663abb6e3560ddf466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91a3dcdcaa17788ff68638ac44686b7.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bf3ba483958f9b27207938daa33b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c972cbd63decec197aec1bdc306de67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1727fb87c29714663abb6e3560ddf466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8477e8de5b84a17b4e06582e22dc8951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed928169cedaf09c5ec3f72ddb313491.png)
A.②③ | B.①③ | C.①② | D.①②③ |
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6 . 已知经过同一点的
个平面,任意三个平面不经过同一条直线,若这n个平面将空间分成
个部分.现用数学归纳法证明这一命题,证明过程中由
到
时,应证明增加的空间个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab48a47c5e97b46041174d93c3bdca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef7ca2b3e8061384501f668e59696a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba21f3d0cfc86d40e2e06446623ce0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-05-12更新
|
552次组卷
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5卷引用:辽宁省沈阳市东北育才学校2021-2022学年高二下学期期中考试数学试题
辽宁省沈阳市东北育才学校2021-2022学年高二下学期期中考试数学试题(已下线)4.4 数学归纳法-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)(已下线)4.4 数学归纳法(精练)-【题型分类归纳】2022-2023学年高二数学同步讲与练(人教A版2019选择性必修第二册)1.5数学归纳法测试卷(已下线)4.4 数学归纳法(3)
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7 . 一个关于自然数n的命题,已经验证知
时命题成立,并在假设
(k为正整数)时命题成立的基础上,证明了当
时命题成立,那么综上可知,该命题对于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef7ca2b3e8061384501f668e59696a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f832b79a16cb7748ccb36d1227bde34.png)
A.一切自然数成立 | B.一切正整数成立 |
C.一切正奇数成立 | D.一切正偶数成立 |
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2022-05-09更新
|
290次组卷
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2卷引用:四川省绵阳南山中学2021-2022学年高二下学期期中考试数学(理)试题
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解题方法
8 . 我们用
表示某个关于
的代数式,现在有如下两个关于
的真命题:
①对任意的实数
、
,都有
;
②对任意的实数
、
,都有
成立;
其中
是大于
的常数.设实数
、
、
满足条件
且
.
(1)证明:
;
(2)证明:
;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb13c8f221c87d9e6eae949405d835d.png)
②对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2f1ca03ade14de6711c85de8fc5df0.png)
其中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35f7dcce39f3d4dc6b7faf84dc1d0a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17884a2d114eee89f3def58398d2e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ceb39aa5c2421cb43735afeed2f216c.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8c6d2d0d52b0ff7e63d3cfe089786e4.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e1f02fad18a316c0514520db1d774a.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eea2a01f7c009f7bb2e82086a906640.png)
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名校
9 . 定义数列
如下:
,对任意的正整数
,有
.
(1)写出
,
,
,
的值;
(2)证明:对任意的正整数
,都有
;
(3)是否每一个非负整数都在数列
中出现?证明你的结论.
![](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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7882fcd2daeb34ad11983155b474cd3c.png)
(1)写出
![](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/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
(2)证明:对任意的正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/051d406f2e4e9e4232e349d277f58a81.png)
(3)是否每一个非负整数都在数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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2021-09-02更新
|
561次组卷
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6卷引用:北京市清华大学附属中学2020-2021学年高二下学期期中数学试题
北京市清华大学附属中学2020-2021学年高二下学期期中数学试题(已下线)第4章 数列 单元综合检测(重点)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)(已下线)4.4 数学归纳法(课堂培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)(已下线)2020年高考北京数学高考真题变式题16-21题北京市十一学校2022届高三4月月考数学试题(已下线)4.4 数学归纳法-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)
名校
10 . 设
.
(1)比较
和
的大小,直接写出结论,不必证明;
当 时,
;
当 时,
;
当 时,
;
(2)比较
和
的大小,其中e是自然对数的底数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933b7c3ace69622339353431c519b13.png)
(1)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f31971306914638e5ceb1bbe437535d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceef1abeeef220b4fe5f7d96feedd90.png)
当 时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391e01d7d24afa9313a7cc93a1ea39c1.png)
当 时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c3297978bf9e95203e7385e3cf9db1.png)
当 时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549199e4263eea97d84f00e15f1aad5b.png)
(2)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4e26a648030b46c5199d1541b438f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceef1abeeef220b4fe5f7d96feedd90.png)
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