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15 August, 07:01

Find the missing terms in the following geometric sequence. - 12,__,__, - 324

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  1. 15 August, 08:18
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    Y=ar^t

    -324/-12 = (ar^4) / (ar^1)

    27=r^3

    3=r

    -12=a (3^1)

    -12=3a

    -4=a

    y=-4 (3^n)

    y (2) = - 36

    y (3) = - 108
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