Saturday 23 November 2013

Easy Maths Puzzle

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#168

What are the values of a and b ??

  Difficulty Level - 1/5

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  Solution : 
    2.5 >>>>>   a^3 + b^3 = (a + b)(a^2 - ab + b^2)
           >>>>>    a^2 + b^2 = (a + b)^2 - 2 ab

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