If X(z) is the z-transform of the signal x(n) then what is the z-transform of anx(n)?
A. X(az)
B. X(az-1)
C. X(a-1z)
D. None of the mentioned
Answer:A
If X(z) is the z-transform of the signal x(n) then what is the z-transform of anx(n)?
A. X(az) B. X(az-1) C. X(a-1z) D. None of the mentioned
Explanation: We know that from the definition of z-transform