Find the inverse Z- Transform of \((\frac{z}{z-a})^3\).
Posted: Thu Jul 14, 2022 9:41 am
a) \(\frac{1}{2} . (n+1) (n-2) a^{n-2} U(n) \)
b) \(\frac{1}{2} . (n-1) (n-2) a^{n-3} U(n) \)
c) \(\frac{1}{2} . (n-1) (n+2) a^{n-1} U(n) \)
d) \(\frac{1}{2} . (n+1) (n+2) a^n U(n) \)
b) \(\frac{1}{2} . (n-1) (n-2) a^{n-3} U(n) \)
c) \(\frac{1}{2} . (n-1) (n+2) a^{n-1} U(n) \)
d) \(\frac{1}{2} . (n+1) (n+2) a^n U(n) \)