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Homework Help: Differential equation

  1. Feb 19, 2009 #1
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Feb 19, 2009 #2

    Dick

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    Science Advisor
    Homework Helper

    It's the product rule for differentiation.
     
  4. Feb 19, 2009 #3
    ahh yes, thank you
     
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