3. (33 pts.) Solve the differential equation y" + 3y + 2y = 2 cos² x, with initial-conditions y(0) = −1, y' (0) = 2, by
Posted: Thu Jun 30, 2022 7:35 pm
3. (33 pts.) Solve the differential equation y" + 3y + 2y = 2 cos² x, with initial-conditions y(0) = −1, y' (0) = 2, by using the Undetermined Coefficients method; and find the solution for the initial-value problem.