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Differential equations approx method

  1. Feb 2, 2009 #1
    dy/dt = t^2 - y^2

    I can't seem to differentiate this. I've tried so many different things but with no avail

    please help!
  2. jcsd
  3. Feb 2, 2009 #2


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    Hi JosephLee! :smile:

    (use the X2 tag just above the reply box :wink:)

    Do you mean integrate? :confused: If so …

    Hint: t2 - y2 = (t+y)(t-y), so try a substitution. :wink:
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