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    Question

    Compute Σ (1 / (k(k+1))) from k = 1 to

    10.
    A 13/15 Correct Answer Incorrect Answer
    B 5/11 Correct Answer Incorrect Answer
    C 10/11 Correct Answer Incorrect Answer
    D 12/17 Correct Answer Incorrect Answer

    Solution

    ATQ, Series = 1 – 1/11 = 10/11

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