Recent content by Nathan W0

  1. N

    First Order Non-Linear Differential Equation

    Oh, Okay I understand it now. Is there any way to know what substitution you would need to use?
  2. N

    First Order Non-Linear Differential Equation

    Homework Statement (x+y)dx-(x-y)dy=0 Homework Equations The Attempt at a Solution The solution is c=arctan^-1(y/x)-(1/2)*ln(x^2+y^2) but I don't know how to get the answer. If someone could explain how to solve the above DE, that would be great.
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