1.

Given the z-transform pair
(X[n] leftrightarrow frac{32}{z^2-16} ), |z|<4

A. nThe z-transform of the signal y[n] = nx[n] is _________
B. ( frac{32z^2}{(z^2-16)^2} )
C. ( frac{-32z^2}{(z^2-16)^2} )
D. ( frac{32}{(z^2-16)^2} )
E. ( frac{-32z}{(z^2-16)^2} )
Answer» B. ( frac{32z^2}{(z^2-16)^2} )


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