1.

Given the z-transform pair\(X[n] \leftrightarrow \frac{32}{z^2-16}\), |z|<4The z-transform of the signal x [n-2] is _________

A. \(\frac{z^4}{z^2-16}\)
B. \(\frac{(z+2)^2}{(z+2)^2-16}\)
C. \(\frac{1}{z^2-16}\)
D. \(\frac{(z-2)^2}{(z-2)^2-16}\)
Answer» D. \(\frac{(z-2)^2}{(z-2)^2-16}\)


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