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3 December, 06:29

Given the arithmetic sequence 7,13,19,25 ... write both the explicit and recursive formulas

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  1. 3 December, 06:33
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    Step-by-step explanation:

    a1=7

    a2=13

    c. d. d=13-7=6

    an=a1 + (n-1) d

    an=7 + (n-1) 6=7+6n-6=6n-1

    recursive formula

    c. d.=an-a (n-1)

    6=a_{n}-a_{n-1}

    a_{n}=a_{n-1}+6
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