等比数列
的各项均为正数,且
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1056dfa780876026afb69170f1baba11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de3e3201b1f454dea42a30342b4c112.png)
A.2 | B.3 | C.8 | D.9 |
更新时间:2020-06-12 12:07:19
|
A.2 | B.3 | C.8 | D.9 |