名校
解题方法
1 . 若正项数列
中,
,
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c52ed7eee258a268b3185e850744d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039b4ea55b94b2fa10c9a3fd8a1d61ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce88126c3cbc88e03d38f56b7da315b6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
A.![]() | B.![]() |
C.![]() | D.![]() |