If Z{x1(n)}=X1(z) and Z{x2(n)}=X2(z) then Z{x1(n)*x2(n)}=?
A. X1(z).X2(z)
B. X1(z)+X2(z)
C. X1(z)*X2(z)
D. None of the mentioned
Answer:A
If Z{x1(n)}=X1(z) and Z{x2(n)}=X2(z) then Z{x1(n)*x2(n)}=?
A. X1(z).X2(z) B. X1(z)+X2(z) C. X1(z)*X2(z) D. None of the mentioned
Explanation: According to the convolution property of z-transform, the z-transform of convolution of two sequences is the product of their respective z-transforms.