Given the z-transform pair 3nn2 u[n] X (z). The time signal correspo – McqOptions

MCQOPTIONS

1.	Given the z-transform pair 3nn2 u[n] X (z). The time signal corresponding to X(2z) is ___________
A.	n<sup>2</sup>3<sup>n</sup> u[2n]
B.	((- frac{3}{2})^n n^2 u[n] )
C.	(( frac{3}{2})^n n^2 u[n] )
D.	6nn2u[n]
Answer» D. 6nn2u[n]

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