1.

What is the causal signal x(n) having the z-transform X(z)=\(\frac{1}{(1+z^{-1})(1-z^{-1})^2}\)?

A. [1/4(-1)n+3/4-n/2]u(n)
B. [1/4(-1)n+3/4-n/2]u(-n-1)
C. [1/4+3/4(-1)n-n/2]u(n)
D. [1/4(-1)n+3/4+n/2]u(n)
Answer» E.


Discussion

No Comment Found