解题方法
1 . 已知数列
满足
,
,
为数列
的前n项和,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b5e6eea309e8142dc62dd81710564c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c86dd162cdcf371c5c160ae4b6971d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
A.![]() |
B.![]() |
C.![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
A.![]() |
B.![]() |
C.![]() ![]() |
D.若![]() ![]() |