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Cheeky99's thread

  1. Sep 3, 2007 #1

    HallsofIvy

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    (Separated from another thread)

    Hey i need some help finding the general solution of

    ydy= (-x+ √(x^2 + y^2))dx

    by using the substitution y= vx and then the substitution u^2= 1 + v^2

    It would be great if someone could help.
     
  2. jcsd
  3. Sep 3, 2007 #2

    HallsofIvy

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    One, this looks like homework which should be in the homework area. Second you have shown no work at all. You are told to use the substitution y= vx. What do you get when you do that?
     
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