1 . 已知数列
为等比数列,其前
项和为
,且
,公比为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.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/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3154e42ce5bee86af29648da9a8e02a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
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2023-07-03更新
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5卷引用:上海市进才中学2022-2023学年高一下学期期末数学试题
上海市进才中学2022-2023学年高一下学期期末数学试题江西省彭泽县第二高级中学2022-2023学年高二下学期7月期末数学试题上海市格致中学2023-2024学年高二下学期期中考试数学试题(已下线)专题01 数列(6大考点经典基础练+优选提升练)-【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(新高考专用)(已下线)上海市高二下学期期末真题必刷02(基础题)--高二期末考点大串讲(沪教版2020选修)
2 . 无穷等比数列
的通项公式
,前
项的和为
,若
,则满足条件的
的取值集合为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894aaec56149f880c7cf2bbc0f358d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e525ab99498c26f11d8225b950c5b4f1.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/808c7ac7a05b4002cd9930e0f772f6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2023-01-09更新
|
160次组卷
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3卷引用:上海市浦东复旦附中分校2022届高三上学期10月月考数学试题
名校
3 . 已知无穷数列满足
,其中p,q均为非负实数且不同时为0.
(1)若
,
,且
,求
的值;
(2)若
,
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d6c0713ed7f57f82f972bd09844e17.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f970f380a12c843bb4a74ff34a15b2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d9b6c86435e0ceff94d8ad1cd03737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98d10092efc21e76783c0cd5fb5ad38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6065aaa8f3f103d1bc960da8318ce35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/085b7f021a79ec95dac1f7b56769774e.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)
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4 . 在等比数列{an}中,公比q=2,前n项和为Sn,若S5=1,则S10=________ .
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7卷引用:上海市华东师范大学第二附属中学2022届高三下学期6月练习数学试题
(已下线)上海市华东师范大学第二附属中学2022届高三下学期6月练习数学试题沪教版 高二年级第一学期 领航者 第七章 7.3 等比数列(4)2018年上海市青浦区高三4月质量调研(二模)数学试题(已下线)4.3.2 等比数列的前n项和公式(第2课时)(练习)-2020-2021学年上学期高二数学同步精品课堂(新教材人教版选择性必修第二册)(已下线)专题05 等比数列的前n项和公式 核心素养练习 -【新教材精创】2020-2021学年高二数学新教材知识讲学(人教A版选择性必修第二册)沪教版(2020) 选修第一册 领航者 第4章 4.2 第3课时 等比数列的前n项和(1)(已下线)第4章 数列(基础、典型、易错、压轴)-【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)
5 . 已知等差数列
中,第2项为6,前5项和为45.
(1)求
通项公式;
(2)若
,求
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14eedc2934191808096c1808ca29f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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名校
解题方法
6 . 已知无穷等比数列
的首项是
,公比为
,这个数列的前
项和总是大于这个数列的各项和,那么下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 在平面直角坐标系中,定义
(
为点
到点
的一个变换,我们把它称为点变换.已知
,
,…,
,
是经过点变换得到的一列点.设
,数列
的前
项和为
,那么
的值为 ________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e46a3501e076273ecf11aff3a28eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c051c2459ca7e2edd8ece9e565ec4b09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0a448a3c412fcae06a12313a9aa139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c300da89db76e3578671b50aaf0d16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b7e35faab6d74fa0c36599c39d1698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c051c2459ca7e2edd8ece9e565ec4b09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0a448a3c412fcae06a12313a9aa139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79e4256f4f9171a5a5c3708d5e31710f.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/2c21b729cbb0fea00a3623099594cc8d.png)
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8 . 化小数为最简分数:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf151fe47faef4cd86bcd5d2e59b4467.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf151fe47faef4cd86bcd5d2e59b4467.png)
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18-19高一下·上海浦东新·期末
名校
9 . 等比数列
中首项
,公比
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38204642a9bfbe116399e4c8269f1b59.png)
______ .
![](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/128a1f726e421c8ad502bf54f6632a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38204642a9bfbe116399e4c8269f1b59.png)
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10 . 已知等比数列
的首项为
,公比为
,它的前
项和为
.
(1)若
,
,求
;
(2)若
,
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9875b5a21e007035dbf079af4617d3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2d766ea4c395ba27454dfd06706afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71acdb04454c77e1e25ad4f336cccfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee97f7f9109ce79611ba9bef80c4c831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d8c5e92212b74e7d1d82470cd89fd6.png)
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