Copied Find the canonical form for the partial differential equation \begin{equation} x^2u_{xx}+2xyu_{xy}+y^2u_{yy}=xy^2u_x. \tag {4} \end{equation} What type of partial differential equation is this? Raw LaTeX Find the canonical form for the partial differential equation \begin{equation} x^2u_{xx}+2xyu_{xy}+y^2u_{yy}=xy^2u_x. \tag{4} \end{equation} What type of partial differential equation is this? Topic Tags Method of Characteristics