正项等比数列
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7872011f6c34b3ac669c10815b99f514.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed7f72b1b80cafb600c8c6b0084b313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7872011f6c34b3ac669c10815b99f514.png)
更新时间:2023-08-22 19:08:32
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【知识点】 等比数列下标和性质及应用