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Posted by on Friday, January 7, 2011 at 12:55pm.

8^2 = x^2 + x^2

  • math - , Friday, January 7, 2011 at 1:06pm

    8^2 = x^2 + x^2


    ie.

    64 = 2 (x^2)

    x^2 = 64/2

    x^2 = 32


    x = sqrt(32)

    x = sqrt(16*2)

    x = 4sqrt(2)

    Done

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