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25 October, 05:16

Write the recursive formula for the geometric sequence.

a1 = - 2 a2 = 8 a3 = - 32

A. an = - 4 an-1

B. an = - 2 an-1

C. an = - 2 • an-1

D. an = - 4 • an-1

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Answers (1)
  1. 25 October, 06:54
    0
    A1 = - 2

    a2 = 8 = - 4a1

    a3 = - 32 = - 4a2

    an = - 4 x an-1
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