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    Question

    Simplify the following expression:

    (164-1)/17×15× (28+1)
    A -2 Correct Answer Incorrect Answer
    B 1 Correct Answer Incorrect Answer
    C 2 Correct Answer Incorrect Answer
    D -1 Correct Answer Incorrect Answer

    Solution

    a=16 and b =1 (a4-b4) = (a²+b²) (a+b) (a-b) ((16)4 – 14)/17×15× (28+1) = ((16)2 +1) (16+1) (16-1) / 17×15× (28+1) = ((24)2+1) ×17×15 /17×15× (28+1) = (28+1)/ (28+1) =1.

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