

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