8. II marl] Given a sequential circuit design (shown in the figure below) that has two D flip-flops A and B, two inputs X and Y, and one output Z. Write the logic function for the flip-flops inputs DA and DB, as a function of X,Y,A and B. a. DADBb.DADBc.DADB=XY+XA=YB+XB=XY+XA=YB+XB=XY+XA=YB+XB d. None of them 9. [I mark] Given a sequential circuit design (shown in the figure below) that has two D flip-flops A and B, two inputs X and Y, and one output Z. Write the logic function for the output Z as a function of A and B. a. Z=AB b. Z=AB c. Z=AB d. Z=AB