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Math Help - Arithmetic progression

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    Arithmetic progression

    The first and second terms of an arithmetic progression are p and q respectively. Find the tenth term
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    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by nerdzor View Post
    The first and second terms of an arithmetic progression are p and q respectively. Find the tenth term
    Hint: the terms of an arithmetic progression are given by a_n = a_1 + (n - 1)d for n \in \mathbb{N}

    where a_n is the nth term, a_1 is the first term, n is the current number of the term, and d is the common difference

    now, d = a_2 - a_1 = a_3 - a_2 = ...
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    Don't worry, solved it
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