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  • Perplex
    IB Math AISL
    /
    Sequences & Series
    /

    Problem Bank

    [Maximum mark: 6]

    An arithmetic sequence has ​2u6​=S6​=5, where ​S6​​ is the sum of the first ​6​ terms. Find the second term, ​u2​, of the sequence.

    [6]

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