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25 November, 16:01

What are the values of a, and r of the geometric series?

1+3+9 + 27 + 81

0 2 = 1 and ra

0 a, - and r-1

O Q4 - 1 and r-3

O

a. - 3 and r - 1

+5
Answers (1)
  1. 25 November, 16:49
    0
    Step-by-step explanation:

    First term a = 1

    common ratio r = 3/1=9/3=27/9=81/27 = 3

    Hence,

    a = 1 & r = 3
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