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28 March, 09:29

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

2-2+2-2+2

a = 2 and r=-2

a = - 2 and r = 2

aq=-1 and r = 2

az = 2 and r=-1

+3
Answers (2)
  1. 28 March, 10:52
    0
    a = 2; r = - 1

    Step-by-step explanation:

    a is the first term: 2

    r is the ratio of successive terms: - 2/2 = 2/-2 = - 1.
  2. 28 March, 11:16
    0
    a = 2; r = - 1

    Step-by-step explanation:

    a is the first term: 2

    r is the ratio of successive terms: - 2/2 = 2/-2 = - 1.
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