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17 February, 20:48

What is the recursive rule for this geometric sequence? 27, 9, 3, 1 ...

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  1. 17 February, 20:59
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    b (1) = 27

    b (n) = b (n-1) * (-1/3)
  2. 17 February, 21:00
    0
    Divided by 3.

    They are all divided by 3.
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