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Homework Help: Drawing Phase planes, and computing the Poincare index

  1. Mar 10, 2012 #1

    Here is what I've done so far


    How do I draw the Phase portrait for this system? Have I done everything correct so far?

  2. jcsd
  3. Mar 11, 2012 #2
    Do I have to make a substitution?
  4. Mar 11, 2012 #3
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