Solve the equation by the method of undetermined coefficients. y" - 8y' = cos x . . . The solution is y = Cq+ C, e8 _ _ 1 65 [Cos x + 8 sin x] ample Clear all Final checkThe function yo is a particular solution to the specified nonhomogeneous equation. Find the unique solution satisfying the equation and the given initia conditions. y" - 2y'ty= 18ex e", yp = 9x ex, y(0) = 3, y'(0) = - 2 . . . y =