1 . 已知二次方程
的两根分别为2和4,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9c0dce1f975d1203a1bff7580a892d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f84617aaab200384efeaec9a4fe71772.png)
您最近一年使用:0次
名校
2 . 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)
您最近一年使用:0次
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
3 . 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)
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4 . 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)
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5 . 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)
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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
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6 . 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)
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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)
7 . 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
名校
解题方法
8 . 已知等差数列
的前
项和为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebce85ea9bc18815ef8887057030a63.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/f16a211fb91a9c026dac1ad1adf0463d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebce85ea9bc18815ef8887057030a63.png)
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2023-12-23更新
|
952次组卷
|
3卷引用:河北省邯郸市五校2023-2024学年高二上学期二调考试(12月)数学试题
名校
解题方法
9 . 各项均为正数的等比数列
的前
项和为
,且
,
,
成等差数列,若
,则
_____ .
![](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/cfaca09f4558cc263c62abd9f461683d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049cbc3e23ca095e9a542a3401066673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9620357ea5be4037cfdccd09a27d3862.png)
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2023-12-19更新
|
1242次组卷
|
5卷引用:河北省衡水市冀州中学2024届高三上学期一轮复习效果验收数学试题(二)
2023高三上·全国·专题练习
解题方法
10 . 已知
的内角A,B,C所对的边分别为a,b,c,它的外接圆半径为
,且
,则角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f072ac184c66ca57a61896160fbabad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
您最近一年使用:0次