Find the simplified expressions given the K-maps. a. F(A, B, C, D)-m(1,3,4,6,9,11,12,14) CD CD CD CD" A'B A B 12 13 15 14 AB 10 AB' b. F(A, B, C, D) m(1,3,5,7,9) d(6,12,13) CD C'D CD CD A B A B 12 13 15 14 AB 10 AB c. F(A, B, C, D)-yn(0,1,3,5,9,12) + d(2,4,67) CD C'D CD CD A B A B 12 13 15 14 AB 10 AB