根据以下信息,分别写出数列
的前5项:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48c720fa43505581bff12c8b25587ca.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8bca001a1687fa45a01009f636956dd.png)
20-21高二·全国·课后作业 查看更多[2]
更新时间:2021-11-04 14:28:57
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【知识点】 根据数列递推公式写出数列的项
相似题推荐
解答题-问答题
|
容易
(0.94)
【推荐1】根据数列
的递推公式,写出它的前4项.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1cb987389a0823447714cdd76a1f76.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1cb987389a0823447714cdd76a1f76.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2aa5fa31d028b654f79834bfd8b5645.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
【推荐2】已知数列
满足
,且
,
.
(1)求
的值;
(2)127是数列
的第几项?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c548da8d22f8f7e63361f174e788250b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2693734765399876e9e93cdb110231c4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
(2)127是数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次