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Second Partial Derivative Test

  1. Oct 13, 2008 #1
    I just need to know what is/how to computer [tex]\frac{\partial f}{\partial x \partial y}[/tex]
     
  2. jcsd
  3. Oct 13, 2008 #2

    HallsofIvy

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    Science Advisor

    Do you know how to find [tex]\frac{\partial y}{\partial x}[/itex]? To find the second derivative, just do it again: differentiate again whatever function you get from the first derivative.
     
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