已知数列
的通项公式为
,则
是该数列的第______ 项,且最大项为第________ 项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e54eb708968fab6aa3d367040b113838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44df3805aea3970ad48a0f8af35ffc5d.png)
更新时间:2018-03-08 17:35:09
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解题方法
【推荐1】已知
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【推荐2】已知函数
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【推荐2】如图所示,第
个图形是由正
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