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Derivatives Don't Match Up

  1. Oct 24, 2005 #1
    "Let [tex]F(x,y)=( -y/(x^2+y^2),x/(x^2+y^2))[/tex]

    (a)Show that [tex]\frac{\partial F_1}{\partial y}=\frac{\partial F_2}{\partial x}[/tex] except at the origin."

    Is it me or are they not actually equal?
  2. jcsd
  3. Oct 24, 2005 #2
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