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if the third term of an AP is 12 and the seventh term is 24, then the 10th term will be?

  • math -

    a+2d = 12
    a + 6d = 24
    subtract them:
    4d = 12
    d = 3

    back into the first: a + 6 = 12, a = 6

    term(10) = a + 9d = 6 + 27 = 33

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