名校
解题方法
1 . 数列
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e94b7e0d9e764f536997cc0e8e4654e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
您最近一年使用:0次
2024-04-04更新
|
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2 . 已知数列
的前
项和为
,且满足
,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/04a86742cdd58287a55e5a4d56bb7418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780019495df34d40fff9d8f31bbf3e74.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
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/c03fe71559b7aec286615d378ab9272f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-06更新
|
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4 . 在数列
中,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21dde999e51b494313d20be4406bbe0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da9c2f611ca5c970365563206b89da6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
5 . 斐波那契数列又称为黄金分割数列,在现代物理、化学等领域都有应用.斐波那契数列
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54ed259740712db41ed37ed540941f3.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() |
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2024-02-27更新
|
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2卷引用:河南省周口市部分重点高中2023-2024学年高三下学期2月开学收心考试数学试题
6 . 已知数列
满足
,
.
(1)设
,求数列
的通项公式;
(2)设
,证明:
.
![](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/8a4dd4079f75b64ff1301730b6163d9d.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4188680e5320653753ad0340439cb77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8125e2f20a698ef7164b7b2f4cbbcd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5301d65954783eb6f79761628b7bb457.png)
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2023-08-19更新
|
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7 . 已知数列
中,
,且
.
(1)求
的通项公式;
(2)求
的前10项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115acdb02eae6261dc48105c8e3673c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c7bbc7cc0416123fe0b4e90dac663a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3cf6f2bbe20a404fea41a4d2b1c4c7.png)
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名校
8 . 已知数列
满足
(n≥3),则数列
的前10项和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceb1c06458b736898b4bffa5f6e24af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
A.48 | B.49 | C.50 | D.61 |
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2020-10-19更新
|
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