1 . 已知数列
和
满足:
.
(1)设
求
的值;
(2)设
求数列
的通项公式;
(3)设
证明:______.
请从下面①,②两个选项中,任选一个补充到上面问题中,并给出证明.
①
;②
其中
.
注:若两个问题均作答,则按第一个计分.
![](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/08416257a7c5427d9266e9ee46ee492b.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb3a4652ccd6c113de9645852973d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08360bbdf8e90d7d35445ea6e9923658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a27e634b912cd518c69ff3ffb74db8.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc35823313a638d6dcf399efaeff9e0.png)
请从下面①,②两个选项中,任选一个补充到上面问题中,并给出证明.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51206c051804c48be676c6510c63ce3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b09b55a8bc170344adf78ee08ea8892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce671943072553870e3c059e835e980c.png)
注:若两个问题均作答,则按第一个计分.
您最近一年使用:0次
名校
解题方法
2 . 已知
,
,
均为正数
(1)求证:
;
(2)若
,求证:
.
![](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/071a7e733d466949ac935b4b8ee8d183.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8920a005c0b2e5b9cf0f916d1ce20329.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf43bd907a0590831d324d5eff38ea54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd71a22dc65b28a0e6f8e4b9ee9e3b0.png)
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3 . 在数学中,把只能被自己和1整除的大于1自然数叫做素数(质数).历史上研究素数在自然数中分布规律的公式有“费马数”
;还有“欧拉质数多项式”:
.但经后人研究,这两个公式也有局限性.现有一项利用素数的数据加密技术—DZB数据加密协议:将一个既约分数的分子分母分别乘以同一个素数,比如分数
的分子分母分别乘以同一个素数19,就会得到加密数据
.这个过程叫加密,逆过程叫解密.
(1)数列
中
经DZB数据加密协议加密后依次变为
.求经解密还原的数据
的数值;
(2)依据
的数值写出数列
的通项公式(不用严格证明但要检验符合).并求数列
前
项的和
;
(3)为研究“欧拉质数多项式”的性质,构造函数
是方程
的两个根
是
的导数.设
.证明:对任意的正整数
,都有
.(本小题数列
不同于第(1)(2)小题)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66fa614dd0a4ef38831d742ed3e2c883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e8e0703bc265e4b6659d5076564fcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09c918f20cda7e931d16ba79baf0020.png)
(1)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c14d9ae06f864498048d55088ff4e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c12274ae6ca7bc2d0ad2ced6a0337d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c14d9ae06f864498048d55088ff4e6.png)
(2)依据
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c14d9ae06f864498048d55088ff4e6.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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)为研究“欧拉质数多项式”的性质,构造函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26cf2a1b49eb3f90d64d7fc526bf4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a6ce810257873cb94a56a93b39537d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00e0b2cfc9260694affc6b33f59eb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6148cff72e9eabbf9912e158b52f0129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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2024-05-28更新
|
533次组卷
|
2卷引用:安徽省皖北五校联盟2024届高三第二次联考数学试卷
2024高三·全国·专题练习
名校
4 . 已知实数a,b,c满足
.
(1)若
,求证:
;
(2)若a,b,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751e274e9107d780c39ba9c49d6daefb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c25863514e359f6c6feabfd1477c815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28512b04591f079d997d4e675394585.png)
(2)若a,b,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829bdd79ab193cdd707c537b72f19251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a5b6a23f530bddc0b3b4ea826df429.png)
您最近一年使用:0次
2024·全国·模拟预测
解题方法
5 . 已知函数
在区间
上存在两个极值点
,
.
(1)求实数a的取值范围;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a09ba7ec2175294da7df6c6913ce4e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360598a0e76d28c618fe3573bfe5f85f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(1)求实数a的取值范围;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6d9f798a99a7b28888820716549f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59b428e2eef55e7aa259ab433750670.png)
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2023高三·全国·专题练习
6 . 已知函数
的图象在点
处的切线方程为
.
(1)用
表示出
;
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b198677e91defa3ffba5e1865eb387c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a475fec8ded321e10a6697319fb975.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb168665b95f30538130eb97fc99f722.png)
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2023·全国·模拟预测
7 . 已知
,且
.
(1)求证:
;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2133cd64cdc27fb7b1784f05887f7304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd24c686fbaaa68705d654b880481ffe.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeadd667059ca5e53125d3c0cda85bae.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131c6728de06c3c67cd2d8dba0a7fde6.png)
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2023·全国·模拟预测
8 . 已知x,y,
.
(1)若
,证明:
;
(2)若
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588e4cf838add469512e328d2e60916b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58fb952f9a33887a3f80b04e1e5e6134.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd24c686fbaaa68705d654b880481ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeadd667059ca5e53125d3c0cda85bae.png)
您最近一年使用:0次
解题方法
9 . 已知
,
,且
.
(1)求
的最小值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7dbc702617c765a573961953cc0901.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054d00a127a585f7401a05d5351c6e37.png)
您最近一年使用:0次
2023-04-30更新
|
1826次组卷
|
9卷引用:四川省资阳市2023届高考适应性考试数学(理科)试题
四川省资阳市2023届高考适应性考试数学(理科)试题四川省资阳市2023届高考适应性考试数学(文科)试题贵州省2023届高三下学期联合考试数学(理)试题(已下线)2.2 基本不等式(精练)-《一隅三反》(已下线)高一上学期第一次月考十五大题型归纳(拔尖篇)-举一反三系列(已下线)高一上学期第一次月考解答题压轴题50题专练-举一反三系列(已下线)模块一 专题2 一元二次函数、方程和不等式1(人教A)(已下线)期中考前必刷卷01-期中考点大串讲(苏教版2019必修第一册)(已下线)第二章 一元二次函数、方程和不等式单元测试基础卷-人教A版(2019)必修第一册
2023高三·全国·专题练习
解题方法
10 . 设非负实数
满足
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70635a0dbd52ac1e43d99aad971f8dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8867a8da8eca810c5432769c18e477f9.png)
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