1.

If x(n) is an imaginary sequence, then the z-transform of the real part of the sequence is?

A. ( frac{1}{2} )[X(z)+X*(z*)]
B. ( frac{1}{2} )[X(z)-X*(z*)]
C. ( frac{1}{2} )[X(-z)-X*(z*)]
D. ( frac{1}{2} )[X(-z)+X*(z*)]
Answer» B. ( frac{1}{2} )[X(z)-X*(z*)]


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