What is the causal signal x(n) having the z-transform X(z)=\(\frac{1} – McqOptions

MCQOPTIONS

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.

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