1 . 帕德近似是法国数学家亨利
帕德发明的用有理多项式近似特定函数的方法.给定两个正整数
,函数
在
处的
阶帕德近似定义为:
,且满足:
,
,
,
,
.(注:
,
,
,
,
为
的导数)已知
在
处的
阶帕德近似为
.
(1)求实数
的值;
(2)证明:当
时,
;
(3)设
为实数,讨论函数
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97ec04a1aa7ac6fce72d589864940a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8688bb9fed24a8dc9f53f8b82a7469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adcb8c6a69df1a0deaba265e204d5f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047a8c1ed551fccee1c1848746c5f282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72029562177dfc99a171c9013eb90227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4573475f70860a3d99b92a329d0d07f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca214aa6276b96d67a451c3fdbc59b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba6d8d56270fc72edd1af793542c036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030c5fc27fb5c07e4d6c913653af07ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa160e70abb25d476bbd7d720815f4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33cfe27fd2276a7c542f062c17b4d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea7fa65b493fc1bdf84e16d39ae07d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d40624fc4d5a669a76185052ee6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40765d09390381658d5b4dc0160366cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8de781718020ed3f99538b8e25d6186.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00d47ef1d331094530990ffe38e1d77.png)
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2 . 根据贝叶斯统计理论,事件
,
,
(
的对立事件)存在如下关系:
.若某地区一种疾病的患病率是
,现有一种试剂可以检验被检者是否患病,已知该试剂的准确率为
,即在被检验者患病的前提下用该试剂检测,有
的可能呈现阳性,该试剂的误报率为
,即在被检验者未患病的情况下用该试剂检测,有
的可能会误报阳性.现随机抽取该地区的一个被检验者,用该试剂来检验,结果呈现阳性的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9297cd87607255b5c2258b00d43c70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695992b8b7cf4db61982a631bbf031f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4011f461fc06f994ef11076ab722c8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe157a9c3fe004a25bf1fb79c8c0a1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe157a9c3fe004a25bf1fb79c8c0a1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad2925d2ce0e1e8ef352f9501f2590d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad2925d2ce0e1e8ef352f9501f2590d.png)
A.0.0688 | B.0.0198 | C.0.049 | D.0.05 |
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3 . 下表中的数阵为“森德拉姆筛”,其特点是每行每列都成等差数列
表中对角线上的一列数2,5.10,17,26,37,…构成数列
,则
( )
2 | 3 | 4 | 5 | 6 | 7 | … |
3 | 5 | 7 | 9 | 11 | 13 | … |
4 | 7 | 10 | 18 | 16 | 19 | … |
5 | 9 | 13 | 17 | 21 | 25 | … |
6 | 11 | 16 | 21 | 26 | 31 | … |
7 | 13 | 19 | 25 | 31 | 37 | … |
… | … | … | … | … | …… |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bbc12ecb6d1d18f4a7ae777bde43d27.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . “杨辉三角”是二项式系数在三角形中的一种几何排列.从第1层开始,第
层从左到右的数字之和记为
,如
,
,…,则
的前9项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4e70b360f988fdbd92300ab22c4613.png)
__________ .
![](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/5e7df0430db8db9fc354ffdd038fb432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c996a43ff8843aec0be0a9d0ac0e9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4e70b360f988fdbd92300ab22c4613.png)
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解题方法
5 . 2024年2月10日至17日(正月初一至初八),“2024•内江市中区新春极光焰火草地狂欢节”在川南大草原举行,共举行了8场精彩的烟花秀节目.前5场的观众人数(单位:万人)与场次的统计数据如表所示:
(1)已知可用线性回归模型拟合
与
的关系,请建立
关于
的线性回归方程;
(2)若该烟花秀节目分A、B、C三个等次的票价,某机构随机调查了该烟花秀节目现场200位观众的性别与购票情况,得到的部分数据如表所示,请将
列联表补充完整,并判断能否有
的把握认为该烟花秀节目的观众是否购买A等票与性别有关.
参考公式及参考数据:回归方程
中斜率与截距的最小二乘法估计公式分别为
,其中
.
场次编号 | 1 | 2 | 3 | 4 | 5 |
观众人数 | 0.7 | 0.8 | 1 | 1.2 | 1.3 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若该烟花秀节目分A、B、C三个等次的票价,某机构随机调查了该烟花秀节目现场200位观众的性别与购票情况,得到的部分数据如表所示,请将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b72fcdc709e77910cd36a26369648b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c4bf61e073c899494b2fb3b767b108.png)
购买A等票 | 购买非A等票 | 总计 | |
男性观众 | 50 | ||
女性观众 | 60 | ||
总计 | 100 | 200 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db6103cb0f1d2bd6b19235d53ee7e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22f6db695542fb83e732d52f5fb1ded2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356b05e46b10ee51c3e43546d73ec96c.png)
0.100 | 0.050 | 0.010 | |
2.706 | 3.841 | 6.635 |
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2024-06-14更新
|
1172次组卷
|
4卷引用:广东省江门市开平市开侨中学2023-2024学年高二下学期期末热身模拟数学试题
6 . 下图所示的三角形数阵叫“莱布尼兹调和三角形”,它们是由整数的倒数组成的,第n行有n个数且两端的数均为
,每个数是它下一行左右相邻两数之和,如
,
,
,则第11行第5个数(从左往右数)为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78efce0b9458e7d0775730af10785496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e793a209cbb7698b63ce86071061bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660f41a92328772f61ade4e991d5ac0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2035b29cf8109e5fd10381dd4839a8a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fecac03a06963f989ff7825684dbdb5.png)
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解题方法
7 . 投壶是中国古代士大夫宴饮时玩的一种投掷游戏,游戏方式是把箭向壶里投.《醉翁亭记》中的“射”指的就是指“投壶”这个游戏.现甲、乙两人玩投壶游戏,每次由其中一人投壶,规则如下:若投中,则此人继续投壶,若未投中,则换为对方投壶.无论之前投壶的情况如何,甲每次投壶的命中率均为
,乙每次投壶的命中率均为
,由抽签确定第1次投壶的人选,第1次投壶的人是甲、乙的概率各为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.第3次投壶的人是甲的概率为![]() |
B.在第3次投壶的人是甲的条件下,第1次投壶的人是乙的概率为![]() |
C.前4次投壶中甲只投1次的概率为![]() |
D.第10次投壶的人是甲的概率为![]() |
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8 . 英国物理学家牛顿在《流数法与无穷级数》一书中,给出了高次代数方程的一种数值解法—牛顿法.如图,具体做法如下:先在x轴找初始点
,然后作
在点
处的切线,切线与x轴交于点
,再作
在点
处的切线,切线与x轴交于点
,再作
在点
处的切线,以此类推,直到求得满足精度的近似解
为止.
已知
,在横坐标为
的点处作
的切线,切线与
轴交点的横坐标为
,继续牛顿法的操作得到数列
.
的通顶公式;
(2)若数列
的前
项和为
,且对任意的
,满足
,求整数
的最小值.
(参考数据:
,
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9df2062940530232ab124a571e951ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27c0ab3e2d7698f082854bafe4174dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb652143b43cc9439a347b2b1dc5cf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc47735cc385a3474bc1dabad322304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367304824e7eb354ffeb937fa209d80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ec72ed76ec0fb772544a0c6ba0b88e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db1961eb75c093584f2b63763ef8fee9.png)
已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93eb7f6b803ac8e1e3b9def53134f966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4785ee9337c71c6618aa974c6bb9a21a.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/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e854662d424309991f86678df32fb0c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf7c943a75895140801523c1184ed8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539ae63efa6aab52e5b6a4190c684ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e3b17aa93b9ff98c93f7d097b8c38d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a5e288e8c07edfb9ad3c5f0f322fcc.png)
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9 . “以直代曲”是微积分中的重要思想方法,牛顿曾用这种思想方法求高次方程的根.如图,r是函数
的零点,牛顿用“作切线”的方法找到了一串逐步逼近r的实数
,
,
,…,
,其中
是
在
处的切线与x轴交点的横坐标,
是
在
处的切线与x轴交点的横坐标,…,依次类推.当
足够小时,就可以把
的值作为方程
的近似解.若
,
,则方程
的近似解![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e92f14fb20f920f88dcad2ccd1d53f2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](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/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971905ea129aec0ca7c325f60260c7e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def1075c37608d8f22a045bd825709db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae1bda8334139ab22c70ffe645bc3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/692a6aba6541e5f0d80388d2d47ab977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e92f14fb20f920f88dcad2ccd1d53f2.png)
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2024-05-24更新
|
379次组卷
|
3卷引用:广东省珠海市实验中学、河源高级中学、中山市实验中学2023-2024学年高二下学期5月联考数学试题
10 . 数列1,1,2,3,5,8,13…是意大利数学家莱昂纳多·斐波那契在他写的《算盘全数》中提出的,所以它常被称作斐波那契数列.该数列的特点是:前两个数都是1,从第三个数起,每一个数都等于它的前面两个数的和.记斐波那契数列为
,其前
项和为
,则( )
![](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)
A.![]() | B.![]() |
C.![]() | D.![]() |
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