设Sn为数列{an}的前n项和,若Sn=8an﹣1,则
=____ .
![](https://img.xkw.com/dksih/QBM/2016/4/15/1572595402383360/1572595407937536/STEM/4a5cc46a3bef41edad2a1a7cb53b59f0.png?resizew=19)
更新时间:2016-12-04 05:56:27
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【知识点】 数列求和
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【推荐1】若数列
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填空题-单空题
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较易
(0.85)
名校
解题方法
【推荐2】已知数列
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______ .
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