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Partial differentiation question

  1. Oct 2, 2006 #1
    Hi guys,

    I have the following question for a uni assignment, I have done part A and found the stationary points to be at

    x=-2 x = 2
    y=-1 y=1

    Not sure if it is correct though.

    I did this by using finding the partial derivatives using the quoitent rule, then making the partial derivatives equal to zero and solving for x and y.


    Now the second part of the question asks to find the second order DE, which would be an absolute pain to do using the quoitent rule. I am really, really lost guys. :cry:
     

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  3. Oct 2, 2006 #2

    arildno

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    Whatever does the vertical line segment in the numerator signify??
     
  4. Oct 2, 2006 #3
    i think its a full stop that shouldn't be there
     
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