(Solved): Solve the given differential equation by using an appropriate substitution: The DE is homogeneous. ...
Solve the given differential equation by using an appropriate substitution: The DE is homogeneous. \[ \frac{d y}{d x}=\frac{y-x}{y+x} \] \[ \ln x^{2}+x^{2}+2 \tan ^{-1} \frac{y}{x}=k \]