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20 July, 17:34

Given the geometric sequence where a1 = 2 and r = √2 find a9

32

32√2

256

256√2

+4
Answers (1)
  1. 20 July, 17:50
    0
    A9=a1*r^8

    a9 = 2*V2^8=2*2^4=2^5

    ⇒ a9 = 32
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