10) Find a particular solution of the following differential equations a) y" + 3y = te-t + 2 sin 3t b) y" + 2y + 5y = t + 2t sint c) y" - 5y +6y= et sin 2t d) y" + 2y + 2y = 2e-t e) y" - 4y + 4y = f) y" + 4y = t sin 2t g) y" + 3y + 2y = et + sin 2t h) y" + 2y + 5y = 3te- cos 2t 4tet + 4t