已知数列
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3347a0ff3b5b7022a2adee4e6f4ffd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e4487468ab2823d6dbf7f0ebd2eb38.png)
A.67 | B.115 | C.31 | D.127 |
更新时间:2021-09-16 14:32:09
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【知识点】 根据数列递推公式写出数列的项
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容易
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解题方法
【推荐2】已知数列
满足
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65af63509f76af804276635f7977b7a1.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd015442628054692b8cc0a19c77d2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1488994e6fecd6756b68cf997c3752ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65af63509f76af804276635f7977b7a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4001c73ad07bdb70abce694f9b1f378f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
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