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Discussion :: Surds and Indices

  1. If m and n are whole numbers such that, mn = 121, then the value of (m-1)n+1 is

    2. A.
    1
    B.
    10
    C.
    121
    D.
    1000

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    Answer : Option D

    Explanation :

    If mn = 121
    mn = 112
    n = 2;
    m = 11; then
    (m-1) n+1 = (11- 1) 2+1 = 103 = 1000

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