名校
解题方法
1 . 已知数列
满足:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48cc58a41a70d37e4ead15a9fdfd8953.png)
(1)求:
,
(2)猜想数列
的通项公式,并用数学归纳法证明;
(3)若
且
对于
恒成立,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6dcba920904a03e3f950e962cc8c7ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48cc58a41a70d37e4ead15a9fdfd8953.png)
(1)求:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a447e5baee4f7518706498d4aca7553b.png)
(2)猜想数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446da93de58380bd808755dc20163b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3458e228949da4c92f5b8cd0173ba7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 已知数列
,
,
,……,
,……则数列的所有项和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ed98e34b84285163a8b1b45c6fe403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231fd0fbb933002c6a527dcc4f7186f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4a646b098601ebe77beadf1707deca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c3ab13e0aa074ac3cf89b59871fbc4.png)
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3 . 设函数
,
为坐标原点,
为函数
图像上横坐标为
的点,向量
与向量
的夹角为
,则满足:
的最大整数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad1f283b329be3491ac1e34a258133c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098afe75dd67aa4c2d1f0b6616c4c1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22034385f3c155410cc757c7f2618fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e686df657989b497adb0bc34e36f1ac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ffa8be5a02790c6161c56b8e90db64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e050c39e56c7ea0e84e9e543f29b229e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2019-11-14更新
|
204次组卷
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2卷引用:上海市青浦区2019-2020学年高二上学期期中数学试题
名校
4 . 已知等差数列
的前
项和为
数列
是等比数列,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd087af6b447cd2eee808eb6e03cc8a6.png)
(1)求数列
和
的通项公式;
(2)若
设数列
的前
项和为
求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10b328845a4b1881eee38084d5501224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117464f527849ab995858aaa20f4175b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd087af6b447cd2eee808eb6e03cc8a6.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1402af20a63c57541a3aa3809f9860e.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/7f568d92986e9a79c9892cafee6bec06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129d27b913ae4a0cbf3c5acf837d2bbb.png)
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5 . 设
,0为坐标原点,
是函数图象上横坐标为
的点,向量
,和
=(6,0)的夹角为
,则满足
的最大正整数是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc24809b594f4e85dde17fd2128998e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323d114a36d56466c003ac4720df4279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22034385f3c155410cc757c7f2618fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1480988d26abda64d9a4d20674ab76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ffa8be5a02790c6161c56b8e90db64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ecfea15bbd7e9e91cdeafd92071cb4b.png)
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真题
名校
6 . 已知等差数列前3项为a,4,3a,前
项和为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937c6e4af2c30c5a66878baf582f3a4b.png)
(1)求a及k的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937c6e4af2c30c5a66878baf582f3a4b.png)
(1)求a及k的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c1558f6e8569ad44307f784e4b30b8.png)
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2019-11-04更新
|
327次组卷
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5卷引用:上海市曹杨二中2019-2020学年高二上学期10月月考数学试题
7 . 数学家也有许多美丽的错误,如法国数学家费马于1640年提出了以下猜想
是质数.直到1732年才被善于计算的大数学家欧拉算出
,不是质数.现设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
,
表示数列
的前n项和.则使不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0204f8ea253781176e58f740d8aef0fa.png)
成立的最小正整数n的值是(提示
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a7c66c92b291f24e053c0ac5a30de64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afddd57789251b24104ba90e17a9f7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9ed90092986a257fe1b26c6695b938.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/0204f8ea253781176e58f740d8aef0fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32231c44429ca990072d5e8930445d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6753d357e2eeb4d710ee87f7bfab2fa.png)
A.11 | B.10 | C.9 | D.8 |
您最近一年使用:0次
2019-10-22更新
|
1536次组卷
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17卷引用:第4章数列【单元提升卷】-【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)第4章数列【单元提升卷】-【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)高二数学开学摸底考 01(上海专用)(沪教版2020必修三+选修一)-2023-2024学年高二数学下学期开学摸底考试卷江苏省扬州大学附属中学2020-2021学年高二上学期第一次月考数学试题江苏省吴江中学2020-2021学年高二上学期第一次质量检测数学试题人教A版(2019) 选修第二册 突围者 第四章 专项拓展训练3 数学文化中的数列问题苏教版(2019) 选修第一册 突围者 第4章 易错疑难集训三河南省南阳市第一中学校2021-2022学年高二上学期第一次月考数学试题2023版 苏教版(2019) 选修第一册 突围者 第4章 专项拓展训练3 数列中的创新题沪教版(2020) 选修第一册 精准辅导 第4章 单元测试卷湖北省部分重点中学2022-2023学年高二上学期1月期末联考数学试题河南省南阳市唐河县唐河县第一高级中学2022-2023学年高二下学期3月月考数学试题四川省天府名校2019-2020学年高三上学期第一轮联合质量测评数学(文)试题河北省衡水中学2019-2020学年高三上学期六调数学(文)试题(已下线)理科数学-2020年高考押题预测卷03(新课标Ⅰ卷)《2020年高考押题预测卷》湖南师大附中2020届高三下学期月考(七)数学(文)试题(已下线)专题17 盘点数列与其它知识交汇问题——备战2022年高考数学二轮复习常考点专题突破北京一零一中学2021届高三上学期10月统考(二)数学试题
2019高二上·全国·专题练习
名校
8 . 用
表示大于
的最小整数,例如
,
,
.已知数列
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c8a694b9c8e90875ef2379d37efb84.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22c00f66521c4911c626e9894eb8ef4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76af9a60d0ace5d9ca6852c0a00847cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76af4f1f0283534690b3f2339333c182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606e55241a2e145d54849129b8ffd20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d754bc529cfab94af50384ef686b191d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c8a694b9c8e90875ef2379d37efb84.png)
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9 . 定义函数
,其中
表示不小于
的最小整数,如
,
,当
时,函数
的值域为
,记集合
中元素的个数为
,则
=_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f98997130d6be3d390867c350c51d57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda2bc2e6a5eaf4fa5ff901985dd0e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc644885253aec7f12b67ab8da34b8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09f01c1dc60ac1b00e346a2146a673c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da24f6657c61e33f5f223215ab2223e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dcc7b01b2d4597a9b4b5714d4ce20b1.png)
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2019-12-07更新
|
112次组卷
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2卷引用:上海市实验学校2015-2016学年高二上学期期中数学试题
名校
10 . 已知数列
,首项
,设该数列的前
项的和为
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43590de59ebff1ce78a053f99fbf2a2.png)
(1)求数列
的通项公式;
(2)若数列
满足
,求数列
的通项公式;
(3)在第(2)小题的条件下,令
,
是数列
的前
项和,若对
,
恒成立,求
的取值范围.
![](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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43590de59ebff1ce78a053f99fbf2a2.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c77f9b48bf4b03822638714d12d29d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(3)在第(2)小题的条件下,令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175005738672c8c1f431aac6333ab94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.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/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a2d08a0ee22565b77338ac04be2877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2019-12-06更新
|
628次组卷
|
2卷引用:上海市杨思中学2018-2019学年高二上学期期中数学试题