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3 December, 11:15

What is the common ratio of the geometric sequance below?

18,-6,2,-2/3

A.-1/3

B. 3

C.-3

D. 1/3

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Answers (1)
  1. 3 December, 11:32
    0
    The geometric sequence common ratio can be found by r = tn+1/tn

    Let tn = - 6

    Let t_n+1 = 2

    r = 2/-6 = - 1/3
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