Math

Determine whether each general term defines a geometric sequence. Explain.
a) f(n)= 2/(3n+1)
b) f(n)= 11/(13^n)

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asked by Emily
  1. find 3 consecutive terms
    then
    term(3)/term(2) must = term(2)/term(1) to be a GS

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    posted by Reiny

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