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6 October, 20:39

2, 6, 18, 54 What is the recursive formula for this sequence

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Answers (2)
  1. 6 October, 22:33
    0
    Not sure what the terminology is, but i know that you multiply the previous number by 3

    2*3=6

    6*3=18

    18*3=54

    etc
  2. 7 October, 00:16
    0
    A_n+1=3 * a_n

    and a_1=2
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