这个题怎么解,急急急,谢谢 等比数列中,q=2,a5=48,求a1和an
第五题,在图里有急急急,谢谢大神
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/960a304e251f95caab0e97b8c7177f3e660952c0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
请采纳,谢谢😜
追问那第二题的第一问怎么写
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/960a304e251f95caa9e695b8c7177f3e670952a8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
-三分之一的那个
在吗
追答等下
追问谢谢您
追答答案是-n除以(-3)的n次方
温馨提示:答案为网友推荐,仅供参考
第1个回答 2019-03-28
望采纳,谢谢
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/35a85edf8db1cb13290a381dd354564e92584b58?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
追问能不能帮忙再看一下第二问都第一题
负三分之一的那个
谢谢谢谢
追答先采纳啊同学
我们都是热心答题
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/42a98226cffc1e173322833f4490f603738de91b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
第2个回答 2019-03-28
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f603918fa0ec08faa10914a957ee3d6d55fbdab7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
课本上的等比数列定义
第3个回答 2019-03-28
三道题都给你写了,自己看看吧
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/72f082025aafa40fe5faced3a564034f78f019fb?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
第4个回答 2019-03-28
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/78310a55b319ebc40a4872978c26cffc1e17168f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
你看看我写的吧
追问麻烦,帮我再看一下
第二问的第一题
那个负三分之一的那个