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30 January, 21:38

In a geometric sequence, as = 8 and a7 = 32.

Use the geometric mean to find the value of a6

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  1. 30 January, 23:20
    0
    a6=16

    Step-by-step explanation:

    a5=8

    a7=32

    Let q be the ratio: a6=a5*q

    a7=a6*q=a6 * (a6/a5)

    a7*a5=a6²

    a6=sqrt (a7*a5) = sqrt (32*8) = sqrt (256) = 16

    a=16
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