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10 May, 16:18

5 , - 15 , 60 , - 300 , 1,800 , - 12,600

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  1. 10 May, 16:52
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    in steps

    Step-by-step explanation:

    recursive formula:

    A (1) = 5

    A (n) = A (n-1) x (-n-1)

    A (2) = 5 x (-2-1) = - 15

    A (3) = - 15 x (-3-1) = 60

    A (4) = 60 x (-4-1) = - 300

    A (5) = - 300 x (-5-1) = 1800
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