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  1. Q

    Simple PDE: general solution?

    Homework Statement Find the general solution of u_{xx} + u = 6y, in terms of arbitrary functions. Homework Equations The PDE has the homogeneous solution, u(x,y)=Acos(x)+Bsin(x) . u_{xx} + u = 6y has the particular solution, u(x,y)=6y The Attempt at a Solution Taking a...