十三世纪意大利数学家列昂纳多斐波那契从兔子繁殖规律中发现了“斐波那契数列”,斐波那契数列
满足以下关系:
,
,记其前
项和为
,设
(
为常数),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a9d8026fe9414678fa9664ebccc7ce.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7857ea6388c11964ef747f4c5a0105ee.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1796da3b5d3f520aa35df2e7d030cf24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b32434092a79adc2e74f9ae1239808.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/8137eccd7135cfdc89fdcacaba214506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a9d8026fe9414678fa9664ebccc7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7857ea6388c11964ef747f4c5a0105ee.png)
更新时间:2023-03-11 19:14:20
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【知识点】 由递推数列研究数列的有关性质
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【推荐1】已知数列
满足
则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd14def684d0eb6a997dddb7e741e5d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e35eeaabd951fb09b2926807da3685b.png)
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【推荐2】斐波那契数列又称黄金分割数列,因数学家列昂纳多•斐波那契以兔子繁殖为例子而引入,故又称为“兔子数列”.斐波那契数列用递推的方式可如下定义:用
表示斐波那契数列的第
项,则数列
满足:
,
,记
,则下列结论正确的是_______________ (写正确结论的序号即可).
①
;
②
;
③
;
④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8323901a49cac29afd7d62864f088077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316b5d6779890069e877f081d1833883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328cf8e4759bb78e04aea6f5e3e4ab43.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef029d76f18f68c46eeb231e161ea43.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a948218c183372e9bae783c90474e9.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32582c0e86ae9fc6157402bc4ba80c5.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdeaefc793783ca27d59909fdf0e7e4.png)
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