maths - series

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U1=3
(take them both into consideration)
Un+1=Un /2

List the first five terms, and if possible, describe the type of progression

  • maths - series -

    the first 5 terms would be
    3 3/2 3/4 3/8 3/18

    that would be a geometric sequence, where
    a=3
    r=1/2

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