Solution 2.9.4.1 F(s)= A s + B s +10 : A = sF(s) s=0 =  10s(s +5) s(s +10)  s=0 = 5 B = (s +10)F(s) s=;10 =  10(s+10)(s+5) s(s +10)  s=;10 =  10(s+5) s  s=;10 = 5 f(t)=[5+5e ;10t ]1(t): 1