(30)Solve the following Laplace's Equation. You may leave your coefficients left in terms of unresolved integrals.
(del^(2)u)/(delx^(2))+(del^(2)u)/(dely^(2))=0 u(0,y)=0,(delu)/(delx)(4,y)=0 u(x,0)=0,u(x,3)=g(x)