2022高三·全国·专题练习
解题方法
1 . 已知数列
满足
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7626fe4daff9eccd87fca7e7f13d7ea4.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
_______ .
![](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/7626fe4daff9eccd87fca7e7f13d7ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5e07bf129b073f37b553fbca100172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次
名校
2 . 函数
图像上存在不同的三点到原点的距离构成等比数列,则以下不可能成为公比的数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be086d96a0460097f4f5c6b554e73873.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-03-24更新
|
186次组卷
|
2卷引用:上海市格致中学2022-2023学年高二下学期期中数学试题
3 . 对于给定数列
,如果存在实常数
、
使得
对于任意
都成立,我们称数列
是“
类数列”.
(1)若
,
,
,数列
、
是否为“
类数列”?
(2)若数列
是“
类数列”,求证:数列
也是“
类数列”;
(3)若数列
满足
,
,
为常数.求数列
前2022项的和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ef4c4439b36c2847b0056a116d56d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5306f3f7463bfbe4fd492cabd187dee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ef4c4439b36c2847b0056a116d56d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9260f8989cfd0ffca5a49ffbc0668f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8ec7c40d08dc7dd59aac94daa713ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592be188a2e5abad7f28fd68731cd1db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fd16130f139c09f6bb5d9cf54da904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
您最近一年使用:0次
名校
4 . 在正项等比数列
中,有
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dcb23f78cdc09b331e62046b9eca374.png)
______ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4ad59dc9a1ba8cf24895a3cdcab604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dcb23f78cdc09b331e62046b9eca374.png)
您最近一年使用:0次
2023-06-20更新
|
618次组卷
|
15卷引用:上海市黄浦区2022-2023学年高二下学期期末数学试题
上海市黄浦区2022-2023学年高二下学期期末数学试题辽宁省沈阳市2020-2021学年高三下学期质量监测数学卷(一)试题(已下线)解密10 等差数列、等比数列(分层训练)-【高频考点解密】2021年高考数学(理)二轮复习讲义+分层训练(已下线)押第14题 数列小题-备战2021年高考数学(理)临考题号押题(全国卷2)(已下线)专题04 等比数列小题检测-2020-2021学年高二数学数列专题复习课(人教A版2019选择性必修第二册)(已下线)6.2 等比数列(精讲)-【一隅三反】2022年高考数学一轮复习(新高考地区专用)沪教版(2020) 选修第一册 精准辅导 第4章 4.2(1)等比数列及其通项公式宁夏石嘴山市第三中学2022-2023学年高二上学期第一次月考数学(理)试题(B卷)上海市徐汇区2023届高三二模数学试题(已下线)专题06 数列及其应用(已下线)第四章 数列(单元重点综合测试)-2023-2024学年高二数学单元速记·巧练(苏教版2019选择性必修第一册)(已下线)4.3等比数列(2)上海市宝山中学2023-2024学年高二上学期期终考试数学试题(已下线)期末测试卷01(测试范围:第1-8章)-备战2023-2024学年高二数学下学期期末真题分类汇编(沪教版2020选择性必修,上海专用)(已下线)专题01 数列(九大题型+优选提升题)-【好题汇编】备战2023-2024学年高二数学下学期期末真题分类汇编(沪教版2020选择性必修,上海专用)
5 . 已知各项均为正项的等比数列
,
,
,其前
项和为
,下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8141d87fb02b08c88b0c9f27f839a7d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca664b1e82da6f50064a76fe118aa80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.数列![]() | B.若![]() ![]() |
C.![]() | D.记![]() ![]() |
您最近一年使用:0次
6 . 已知数列
的递推公式为
.
(1)求证:
为等比数列;
(2)令
,求数列
的前
项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e812f19df0bb6ddd7300378bbca13c69.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098d9e65e9676e4386c5d861c8eb03b5.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0f044dc82a12fd1c71872f2ac12d06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
名校
解题方法
7 . 若a、b、c、d成等比数列,则下列四组数:①,
,
;②
,
,
;③
,
,
;④
,
,
中,必成等比数列的组数为( )组
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
8 . 已知等比数列
的各项均为正数,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a6169970210e108a87bde6c799d707.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8a07b1b4e46eb7705cab0fb27cdb87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a6169970210e108a87bde6c799d707.png)
您最近一年使用:0次
名校
9 . 记
为等比数列
的前
项和,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b625192d7398634a02ea24fa78ed87.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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67454daa43a40055ddf2352fd54ff53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b625192d7398634a02ea24fa78ed87.png)
您最近一年使用:0次
名校
解题方法
10 . 我们把一系列向量
,
,
按次序排成一列,称之为向量列,记作
.已知向量列
满足:
,
(
,
)
(1)求数列
的通项公式:
(2)设
,问数列
中是否存在最小项?若存在,求出最小项;若不存在,请说明理由.
(3)设
(
)表示向量
与
间的夹角,
为
与
轴正方向的夹角,若
,若存在正整数
,使得不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a47bdc03f0ced8245c526c81593363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4f79c1b52b08b72cf398a8e62e5fc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4f79c1b52b08b72cf398a8e62e5fc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22453d6e8bba93f0efb02a79344c42e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1eedb01adf41122a75af856f9bfd20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3ca98775fedd51d48b847a3e52d6c7.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c3b72c21e23e30ebcb10966fb148a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ffa8be5a02790c6161c56b8e90db64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d624036bd9f528841f32ad7dbaba229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a47bdc03f0ced8245c526c81593363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f64fa38725c136504f723019a18dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe10104403f4d1eeb171b96589cf9e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4cca4a0d567628bc9fcd8923eeaa212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次