名校
解题方法
1 . 已知正项等差数列
,等比数列
,满足
,
,
,
.记
,数列
的前n项和为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d8e8f821111de8075e5c3dfb22a5d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dee4e9379036188c226d0c396efe4eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684b935a7274130d081bfa7b2b938023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b6b31351db53e81b79a39a774ff296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657d3ec1fde3b9fad145de7f53a8d352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ab0309e2cd35585ea9fb2cc3017abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
2 . 已知
是等比数列
的前5项中的其中3项,且
,则
的前7项和可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae13990c0416ac70d620f8795eeb086c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b967232e28ad0d453adc66676bdf8b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
3 . 已知数列
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925f52e9e8f9143a737f9d9edfc72325.png)
A.数列![]() | B.数列![]() |
C.数列![]() ![]() ![]() | D.![]() |
您最近一年使用:0次
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4 . 英国科学家牛顿在数学、物理、天文学方面作出了巨大的贡献.他曾用“切线法”求函数零点的近似值,方法是不断通过作函数
图象的切线,这些切线与
轴的交点的横坐标就是函数
一个零点的不同程度的近似值;现在给定函数
,点
是曲线上的点,设
,以点
为切点作曲线
的切线,切线与
轴的交点的横坐标为
;又以点
为切点作曲线
的切线,切线与
轴的交点的横坐标为
,……,一直下去,得到数列
;又记
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f3aae3d8f8d6bdbbba7c7751f13882.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5832c0296400f0a756634e912db3e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9d56247c3c62a79ec98290642268e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3b54e0dcdc081d45fb3df933cddc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d93f8e7f0cee389f9d8cbb0d812f8359.png)
A.![]() | B.![]() |
C.![]() | D.设数列![]() ![]() ![]() ![]() |
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5 . 已知数列
的前
项和为
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265ae7f9de1c743deccdf2d30359da21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a8bdc09172416aa4d39a80e30985ab.png)
A.![]() |
B.数列![]() |
C.![]() |
D.![]() ![]() |
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6 . 等比数列
的公比为
,且
成等差数列,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a0d6d97747503a060cad827fa4a12a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77c91fdcc48a8a9b80dddad022d8cc5.png)
A.![]() | B.若![]() ![]() |
C.若![]() ![]() | D.![]() |
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2024-05-02更新
|
345次组卷
|
3卷引用:江西省南昌市第十九中学2024届高三下学期第五次模拟考试数学试卷
7 . 已知数列
满足
,
,设
的前n项和为
,下列结论正确的( )
![](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/e4c01d8f6dc0e31e286a15167da0bfbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.数列![]() | B.![]() |
C.![]() | D.当![]() ![]() |
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2024-04-25更新
|
1122次组卷
|
6卷引用:江西省部分学校2023-2024学年高二下学期3月联考数学试卷
江西省部分学校2023-2024学年高二下学期3月联考数学试卷陕西省西安市部分学校2024年高二下学期3月月考数学试题陕西省西安市长安区第三中学2023-2024学年高二下学期3月月考数学试卷河南省百师联盟2023-2024学年高二4月联考数学试题(已下线)模块四专题1重组综合练(河南)高二(已下线)模块五 专题6 全真拔高模拟6(北师大高二期中)
名校
8 . 关于等差数列和等比数列,下列说法不正确的是( )
A.若数列![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若数列![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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9 . 设等比数列
的前
项积为
,下列命题为真命题的是( )
![](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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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10 . 下列叙述不正确的是( )
A.1,3,5,7与7,5,3,1是相同的数列 | B.![]() |
C.数列0,1,2,3,…的通项公式为![]() | D.数列![]() |
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2024-04-06更新
|
152次组卷
|
2卷引用:江西省九江市第一中学2023-2024学年高二下学期4月月考数学试题