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18 August, 13:19

Find a formula for the nth term in this arithmetic sequence:

a^1=7 a^2=-1 a^3=5 a^4=11

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  1. 18 August, 15:28
    0
    a^n = - 7 + (n-1) * 6 = - 13 + 6n

    Step-by-step explanation:

    If you fix your typo. 7 should be - 7
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