Given the geometric sequence an=4^n Find the first three terms and the common ratio. a1 a2 a3 r?
回答 (1)
2016-08-03 2:28 am
a1=4
a2=16
a3=64
r=4
a2=16
a3=64
r=4
收錄日期: 2021-04-21 19:30:41
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