13. What is the proper form for the particular solution of the following differential equation? y" – 3y" + 3y' – y = t sin t + e' At sin t + Bet O (At + B) sin t + (Ct + D) cos t + Et³et At + B+ C sin...

Extracted text: 13. What is the proper form for the particular solution of the following differential equation? y" – 3y" + 3y' – y = t sin t + e' At sin t + Bet O (At + B) sin t + (Ct + D) cos t + Et³et At + B+ C sin t + D cos t + Ee O (At + B)(C sint + D cos t) + Ete O (At + B)(C sin t) + Dt³e*