已知无穷数列
各项均为整数,且满足
,
,则该数列的前8项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9ad4e59d7081cf19021423a984bc29.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3145e0f9db2ce7f05721260c8d4b9485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d003bd3303efef4a9c4be6d998bdf72d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9ad4e59d7081cf19021423a984bc29.png)
更新时间:2021-12-13 14:08:45
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解题方法
【推荐2】在数列
中,
,
,
,则
的前2022项和为______ .
![](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/c53879bc81c644512fb3cdc99cb320da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3adef2c81947fc8f25919211a0d925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次
填空题-单空题
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较易
(0.85)
名校
解题方法
【推荐1】已知数列
的各项均为正数,
,若数列
的前
项和为5,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c542db0f4d20d3163ba03371772b39e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8340e3df90405ad89ab9bfb1d0b1b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】已知数列
满足
,
,
,则下列表达式
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35448946e08c34614392ff3bb006349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509f703c50916f962a76170fcf6cd435.png)
您最近一年使用:0次