1 . 已知数列
满足
,且
,若
,则正整数
为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49877898104497d3f6f4a28c8160d1d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/562bf10d55724c77204c6953c7fbf7e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11257350f36416169dad24c4f0388645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
2 . 已知数列
是等差数列,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a1febab872d9b3371f3e794657d3255.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047bb07874da00520acc13a9c1b1f929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a1febab872d9b3371f3e794657d3255.png)
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2023-12-31更新
|
472次组卷
|
3卷引用:河北省石家庄市七县联考2023-2024学年高二下学期3月月考数学试题
名校
解题方法
3 . 设
是公差不为0的等差数列
的前
项和,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c9f6087624e855404b24750c763cbb.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/327d21bc8fc2d42fa6dedf80d5145ff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c9f6087624e855404b24750c763cbb.png)
您最近一年使用:0次
2023-12-29更新
|
747次组卷
|
4卷引用:河北省金科大联考2024届高三上学期12月月考数学试题
名校
4 . 已知等比数列
的前
项和为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.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/e84259dfd693155f790739580cf7f038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
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2023-12-29更新
|
882次组卷
|
5卷引用:河北省邢台市质检联盟2023-2024学年高二上学期第四次月考(12月)数学试题
河北省邢台市质检联盟2023-2024学年高二上学期第四次月考(12月)数学试题(已下线)考点6 等比数列的前n项和的性质 2024届高考数学考点总动员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)5.3.2等比数列的前n项和(分层练习,5大题型)-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)广东省梅州市大埔县虎山中学2023-2024学年高二下学期开学质量检测数学试卷
名校
解题方法
5 . 已知
是等比数列
的前
项和,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.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/47de53460dd0f7074276c830c07e5938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
您最近一年使用:0次
2023-12-29更新
|
464次组卷
|
3卷引用:河北省石家庄市部分重点高中2024届高三上学期期末数学试题
名校
6 . 设等比数列
的公比为
,其前
项和为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e49b9fa111197ef28535d0d33d2f4bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
您最近一年使用:0次
7 . 已知等差数列
的前
项和为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d459a1454d2eaf63086f1c5e6450d19.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/4f1074da046893aab441ad28902390d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d459a1454d2eaf63086f1c5e6450d19.png)
您最近一年使用:0次
8 . 若数列
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a061a75239e9b426f22c98a77d86f54e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04aed60ba4e2c730ec261d86957cc37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a061a75239e9b426f22c98a77d86f54e.png)
您最近一年使用:0次
2023-12-27更新
|
448次组卷
|
2卷引用:河北省邢台市质检联盟2023-2024学年高二上学期第三次月考(11月)数学试题
名校
9 . 已知数列
的通项公式是
,则
是该数列中的第________ 项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/023fc87f3edcd1e772c3be36d08702f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbffccc464d989f99ebe84a6e731b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
您最近一年使用:0次
2023-12-27更新
|
195次组卷
|
4卷引用:河北省金科大联考2023-2024学年高二上学期12月质量检测数学试卷
河北省金科大联考2023-2024学年高二上学期12月质量检测数学试卷广东省高州市某校2023-2024学年高二上学期期末学情数学练习卷(已下线)1.1 数列的概念4种常见考法归类-【帮课堂】2023-2024学年高二数学同步学与练(北师大版2019选择性必修第二册)(已下线)专题15 数列10种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(苏教版2019选择性必修第一册)
10 . 已知
,
,且
(n为正整数),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94020c35875a280ab8adf6182c69161.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fbc0ad18cbb1af4ecc272f425db5de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94020c35875a280ab8adf6182c69161.png)
您最近一年使用:0次