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26 February, 16:51

What is the recursive rule for this geometric sequence?

1, 3, 9, 27, ...

Enter your answers in the boxes.

an=? * an-1

a1=?

+2
Answers (2)
  1. 26 February, 16:59
    0
    Answer: The recursive rule here is to multiply the number by 3
  2. 26 February, 17:02
    0
    see below

    Step-by-step explanation:

    The common ratio is 3 so its:-

    an = 3 * a (n-1)

    a1 = 1
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