39 For T Flip flop, the characteristic equation is: Hout of O a. Q(t+1)=TQ(t)+T'Q(t) O b. Q(t+1)=TQ"(t)+TQ(t) O c. Q(t+1)=T'Q'(t)+TQ(t) question d. Q(t+1)=T Q(t)+TQ'(t) estion 40 The simplified boolean expression for F(D, C, B, A) = (0, 2, 5, 7, 8, 9, 10, 13, 15) is: ot yet aswered farked out of 00 Select one: Flag question O a. AC+A'C' +AB'D O b. None of these O C. AC +A'C'+AB'D+C'B'D d. AD+B'D' +AB'C