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Discussion :: Numbers

  1. Find the value of √(7-√(7-√(7-....n.

    2. A.
    √7
    B.
    (√149)-1/7
    C.
    7
    D.
    ((√29-1)/2)

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    Answer : Option D

    Explanation :


    When numbers can't be broken, then we use this formula:
    ((√4x+1)-1)/2, where x is the given number.
    i.e., the number is 7
    ((√4*7+1)-1)/2
    Hence, the answer is ((√29-1)/2).

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