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14 October, 01:50

Write an explicit formula to represent:

3,5,7,9 ...

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  1. 14 October, 01:57
    0
    a (n) = 3 + 2 (n + 1)

    Step-by-step explanation:

    Hi, jacob,

    Each new term here is obtained from the previous one by adding 2. Thus the "common difference" is 2 and the explicit formula for a (n) is

    a (n) = 3 + 2 (n + 1)
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