Q. 40 Two systems
are connected in cascade as shown below. The overall output y(n) is the same as the input x(n) with a one unit delay. The transfer function of the second system 
is
Answer: B
Explanation:
Q. 40 Two systems are connected in cascade as shown below. The overall output y(n) is the same as the input x(n) with a one unit delay. The transfer function of the second system is
Answer: B
Explanation:
