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5 November, 23:40

Write an equation for the nth terms of the given arithmetic sequence

13,19,25

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  1. 5 November, 23:55
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    Adding 6 each time and first term is 13

    an=a1+d (n-1)

    a1=first term

    d=common difference

    an=13+6 (n-1) is the equation for the nth term

    f (n) = 13+6 (n-1) or

    f (n) = 7+6n
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