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someone refresh me on how to find out if something is a geometric sequence?
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gs=1,3,9,27......
gs = 1 , 3 , 9 , 27..... here each term is multiplied by 3
it is a gp
gphere we find common
ratio
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here we find common ratio (r) r = t2/t1
If there is a common ratio r between each term, then it is a geometric sequence.
an=a*r^(n-1)
Just a tip to all the answerers: The question was asking how to determine if something is a GP or not. Not to start solving the question. #Pedagogy
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