名校
1 . 牛顿迭代法又称牛顿—拉夫逊方法,它是牛顿在17世纪提出的一种在实数集上近似求解方程根的一种方法,具体步骤如下:设
是函数
的一个零点,任意选取
作为
的初始近似值,过点
作曲线
的切线
,设
与
轴交点的横坐标为
,并称
为
的1次近似值;过点
作曲线
的切线
,设
与
轴交点的横坐标为
,称
为
的2次近似值,过点
作曲线
的切线
,记
与
轴交点的横坐标为
,并称
为
的
次近似值,设
的零点为
,取
,则
的2次近似值为__________ ;设
,数列
的前
项积为
.若任意的
恒成立,则整数
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a5b0f908cdae073db61be5b42fbcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a5b0f908cdae073db61be5b42fbcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002f56900c2924bfd79fc3865b0a02e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0ca1c5d4a86c94794835319cd62e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909736dad505d81be43aef91e6309bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d617a6481c29955f4b24679bba78a1ac.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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e47a1b2b9268a2490f6f8f8b7d621b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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解题方法
2 . 如图甲是第七届国际数学家大会(简称ICME-7)的会徽图案,会徽的主题图案是由图乙的一连串直角三角形演化而成的.
,
,
,
…为直角顶点,设这些直角三角形的周长从小到大组成的数列为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
____________ ;令
,
为数列
的前n项和,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0e24aa5321d75785e8284c53dab9b0.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad70f05b287b4bf29f4e45a150f4137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9200c9dd0fb3f5ac96aaf9c0dfab14a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0e24aa5321d75785e8284c53dab9b0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/a2fded11-69de-4381-a239-8c5155d700f8.png?resizew=316)
您最近一年使用:0次
名校
3 . 数列
满足
,若
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390e1e106aef0fb898dc1b7db8fcbe70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf2a234b8102356b2c13a3c0b75a00e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f11075f2c574b6c59b97fb3038000e38.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-17更新
|
600次组卷
|
6卷引用:天津市南开区2023-2024学年高二上学期阶段性质量监测(二)数学试题
天津市南开区2023-2024学年高二上学期阶段性质量监测(二)数学试题广东省汕头市潮阳实验学校2024届高三上学期第四次阶段测试数学试题(已下线)第4章:数列章末重点题型复习-【题型分类归纳】2023-2024学年高二数学同步讲与练(苏教版2019选择性必修第一册)山东省烟台爱华高级中学2023-2024学年高二上学期期末模拟数学试题(三)B卷(已下线)5.1.2 数列的递推(2知识点+6题型+强化训练)-【帮课堂】2023-2024学年高二数学同步学与练(人教B版2019选择性必修第三册)(已下线)第五章:数列(单元测试)-2023-2024学年高二数学同步精品课堂(人教B版2019选择性必修第三册)
名校
解题方法
4 . 任取一个正整数,若是奇数,就将该数乘3再加上1;若是偶数,就将该数除以2.反复进行上述两种运算,经过有限次步骤后,必进入循环圈
.这就是数学史上著名的“冰雹猜想”(又称“角谷猜想”).如取正整数
,根据上述运算法则得出
,共需经过8个步骤变成1(简称为8步“雹程”).现给出冰雹猜想的递推关系如下:已知数列
满足:
(
为正整数),
当
时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a16f78ce0dab1ac8fa6abbd70f2b008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3967d620e2fef3ecc724c66e29f68a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73700b5135fc6a9c2d923a27a4c9b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999ac8c1ef39251e07a7fc54cbf7e26e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4914df4e75585d5ff7709d64a23611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59097ad7c8f3fcff871ad48933d30498.png)
A.170 | B.168 | C.130 | D.172 |
您最近一年使用:0次
2024-01-12更新
|
918次组卷
|
4卷引用:天津市和平区耀华中学2024届高三下学期寒假验收考数学试卷
名校
解题方法
5 . 在数列
中,
,
,
,记数列
的前
项和为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe7bdaaf8b0adf10bf2ef6c1255b1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f35fa103e2d4cfb68dc624dc45608d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78e3ce1b1baab397918359e7d440a31.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2778e2dadff4d91102e6046bb5def8.png)
A.![]() | B.![]() | C.0 | D.3 |
您最近一年使用:0次
6 . 已知数列
,
,
,且
,则数列
的前30项之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5359c8fdc022d7044ffb6fdb291666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd5e18df331f5516d5105cdb58cfe0f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
A.15 | B.30 | C.60 | D.120 |
您最近一年使用:0次
2023-11-14更新
|
2406次组卷
|
4卷引用:天津市南开区南开中学2024届高三上学期统练10数学试题
天津市南开区南开中学2024届高三上学期统练10数学试题吉林省长春市2024届高三质量监测(一)数学试题(已下线)第三篇 努力 “争取”考点 专题5 数列通项公式与求和运算【练】江苏省如东高级中学、如东县第一高级中学、徐州中学、沭阳如东高级中学、宿迁市第一高级中学2023-2024学年高二上学期第二次阶段测试数学试卷
名校
解题方法
7 . 意大利数学家傲波那契在研究兔子繁殖问题时发现了数列1,1,2,3,5,8,13,…,数列中的每一项被称为斐波那契数,记作Fn.已知
,
,
(
,且n>2).
(1)若斐波那契数Fn除以4所得的余数按原顺序构成数列
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef965c11e5a2b3ea39e8878565274c5.png)
___________ .
(2)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ce8c715be855183f0a58ced942e133.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db966a50d8f7548c0107958742e238a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613415f9dd1c557595459f2f2399584f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d37baa6b44a7fe407c89ca7e29af4809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
(1)若斐波那契数Fn除以4所得的余数按原顺序构成数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef965c11e5a2b3ea39e8878565274c5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da70ad98fa365c1d25e9c9e1a0f02164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ce8c715be855183f0a58ced942e133.png)
您最近一年使用:0次
2023-02-19更新
|
1056次组卷
|
5卷引用: 天津市滨海新区塘沽第一中学2023-2024学年高二上学期第二次月考数学试卷
名校
8 . 已知数列
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5eb9b8f893dd71876349ad40724550.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9163396996a2a774b7d705fd97c4170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5eb9b8f893dd71876349ad40724550.png)
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2023-02-04更新
|
572次组卷
|
3卷引用:天津市宁河区芦台第一中学2022-2023学年高二上学期期末质量检测数学试题
名校
解题方法
9 . 已知数列
满足
,则
等于____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d8e01903321b5bcd7cce857edd3370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20403bc1f743184e20060790687d55ac.png)
您最近一年使用:0次
2023-01-04更新
|
675次组卷
|
2卷引用:天津市河东区2022-2023学年高二上学期期末数学试题
名校
10 . 已知数列
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45513303aee181de7e73d8eb1cf4c298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2f03f58e3c85de45bd3fd86a8a66f7.png)
A.![]() | B.1 | C.4043 | D.4044 |
您最近一年使用:0次
2022-12-02更新
|
1486次组卷
|
6卷引用:天津市第二中学2022-2023学年高二上学期12月学情调查数学试题
天津市第二中学2022-2023学年高二上学期12月学情调查数学试题云南省昆明市第一中学高中新课标2022届高三第五次二轮复习检测理科数学试题湖北省武汉市部分重点中学2022-2023学年高二上学期期末联考数学试题广东省揭阳市普宁国贤学校2022-2023学年高二上学期11月月考数学试题(已下线)4.1 数列(练习)-高二数学同步精品课堂(苏教版2019选择性必修第一册)(已下线)第04讲 数列的通项公式(十六大题型)(讲义)-3