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29 November, 08:01

Find the first four terms of the recursive sequence: a1 = 8 and an = an-1+n.

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  1. 29 November, 08:24
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    a1 = 8

    a2 = 10

    a3 = 13

    a4 = 17

    Step-by-step explanation:

    The first term is a1 = 8

    The second term is a2 = a1 + n

    = 8+2

    = 10

    The third term is a3 = a2 + n

    = 10+3

    = 13

    The fourth term is a4 = a3 + n

    = 13+4

    = 17
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