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25 December, 05:19

Write the recursive formula for the geometric sequence a1=-2, a2=8, a3=-32

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  1. 25 December, 07:02
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    an+1 = - 4an

    Step-by-step explanation:

    hello:

    a2/a1 = a3/a2 = - 4 the (common ratio)

    the recursive formula for the geometric sequence : an+1 = - 4an
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