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Seemingly Simple Algebra (Exponent Rules)

  1. Jan 15, 2012 #1
    I understand that




    so this suggests that

    [itex]\sqrt[3]{}((-1)^2)[/itex] = -1 right?

    Wolfram alpha and my calculator disagree.
  2. jcsd
  3. Jan 16, 2012 #2


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  4. Jan 16, 2012 #3


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    Hey januc and welcome to the forums

    Convert things to the exponential form if you want to do stuff like this. Exponential form is e^(i x theta) = cos(theta) + i x sin(theta)
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