let y_p be a particular solution of the nonhomogeneous eqn y'' + py' + qy = f(x) and let y_c be a solution of its associated homogeneous eqn. show that y=y_c + y_p is a solution of the given nonhomogeneous eqn.
let y_p be a particular solution of the nonhomogeneous eqn y'' + py' + qy = f(x) and let y_c be a solution of its associated homogeneous eqn. show that y=y_c + y_p is a solution of the given nonhomogeneous eqn.