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7 September, 03:02

What are the next three terms in - 2,-6,-18,-54,?

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  1. 7 September, 04:55
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    Step-by-step explanation:

    common difference=3

    -54/-18=3

    -18/-6=3

    -1296 = - 2 (3) ^5-1

    -7776 = - 2 (3) ^6-1

    -46656 = - 2 (3) ^7-1

    ans. = first term (difference) ^n-1
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