名校
解题方法
1 . 在平面直角坐标系
中,点列
,满足
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597bded9d9917e59971f13f4ce326515.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579d8c77ad6d180da252b898a2560738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b799348da3b45d4e2aa49e5064d7dbb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96a5581bc5da9c4214cd384a45dca09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597bded9d9917e59971f13f4ce326515.png)
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名校
解题方法
2 . 设等比数列
的前n项和为
,若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d89e9567141ee56be321bb141f5daea.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c402bd664deb2f476aa3ea778f5bce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19767b688a82431fe03f67452f183e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d89e9567141ee56be321bb141f5daea.png)
您最近一年使用:0次
2022-10-19更新
|
931次组卷
|
11卷引用:上海市洋泾中学2024届高三上学期10月月考数学试题
上海市洋泾中学2024届高三上学期10月月考数学试题上海市延安中学2023届高三上学期10月月考数学试题江苏省常州市华罗庚中学2022-2023学年高二上学期11月月练数学试题【全国校级联考】华大新高考联盟2018届高三4月教学质量检测文科数学试题【全国百强校】河北省衡水市衡水中学2019届高三年级第二学期一模考试数学(文科)试题(已下线)测试卷37 数列(A)-2021届高考数学一轮复习(文理通用)单元过关测试卷苏教版(2019) 选修第一册 必杀技 第四章 第4.3节综合训练(已下线)专题17 数列(练习)-1(已下线)4.3 等比数列(2)(已下线)4.3.2 等比数列的前n项和公式(精讲)-【题型分类归纳】2022-2023学年高二数学同步讲与练(人教A版2019选择性必修第二册)河南省濮阳市第一高级中学2023届高三模拟质量检测文科数学试题
3 . 若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af93a69f9b370cd469ea70f346a293a9.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853eace02560e7f1490694276c29a856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938875f657387d63dde0a19bda2ddb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ad4897a05a6a26b10e2d8379137fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af93a69f9b370cd469ea70f346a293a9.png)
您最近一年使用:0次
2022-10-16更新
|
1000次组卷
|
3卷引用:上海市进才中学2022-2023学年高二上学期10月月考数学试题
名校
解题方法
4 . 若等比数列
的首项和公比均为
,其前
项和![](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/f1d4520fc01321c2c3861f2c8721c2a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
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5 . 已知公差d不为0的等差数列
的前n项和为
,
,
.
(1)求数列
的通项公式;
(2)若数列
,
,求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8c45e4c4ab30665338dd87a2258f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4e32575d33b8a9979f4760afd361f9.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e191086446263b7bbbd93613577c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d44ddab6e0c60119be69985ae7fa65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c88a7ef007c78a93e33bd77c4396626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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2022-08-30更新
|
1111次组卷
|
5卷引用:上海市建平中学2023届高三下学期3月月考数学试题
6 . 设复数数列
满足:
,且对任意正整数n,均有:
.若复数
对应复平面的点为
,O为坐标原点.
(1)求
的面积;
(2)求
;
(3)证明:对任意正整数m,均有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078c417ea54a5065c1f72941b9e4b0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b670aca396b96eaf2c553b1ca84486dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a383b03b4869ea984d58b8d87c35402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012d2d40a71783e79d67e7fbb01bc93a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8312ce4d9e9f0aff13e64d93fbea921e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5927f1967a8f72e8fb887edb5023a921.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fec8f8ce956e4621c34db6218ed072.png)
(3)证明:对任意正整数m,均有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea99696f6df9d98c2dcc87832002874.png)
您最近一年使用:0次
7 . 已知数列
通项公式
,求数列
的前n项和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d360b1520d2e784c5e85611139583950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
8 . 如图,已知点D为
的边
上一点,
,
为
边上一列点,满足
,其中数列
满足
,
,
,则
的所有项的和为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c8df1c05e4bd7e8af29480e8fc299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a5473e97ea227cdb8767dcde0a9bb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb2226a6dd77f1f851e010bc5fd74e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9645bd4d2002993b90ec6d48f9c04f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5aa4c0745a3ff5f4889b6fd711bc442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://img.xkw.com/dksih/QBM/2022/3/4/2929135900196864/2932374487711744/STEM/d465e971e5ff43ce9850aaf8ec73c7be.png?resizew=232)
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名校
解题方法
9 . 已知无穷等比数列
的各项和为
,则“
”是“
”的( )条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1508953a6b81848a89411596db8c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc10f9994c304ad84bb519925de7556a.png)
A.充要 | B.充分非必要 | C.必要非充分 | D.非充分非必要 |
您最近一年使用:0次
名校
10 . 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)
您最近一年使用:0次