Solution 2.9.4.5 F(s)= A s +2 + B s +3 : A = [[(s +2)F(s)]] s=;2 =  5(s +1) s +3  s=;2 = ;5 B = [[(s +3)F(s)]] s=;3 =  5(s +1) s +2  s=;3 = ;10 f(t)=[10e ;3t ;5e ;2t ]1(t): 1