Let x[n] = x[-n] Let X(z) be the Z-transform of x[n]. if 1 + j2 is a z – McqOptions

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1.	Let x[n] = x[-n] Let X(z) be the Z-transform of x[n]. if 1 + j2 is a zero of X(z). Which one of the following must also be a zero of X(z)
A.	0.2 + j 0.4
B.	0.2 – j 0.4
C.	1 + j 2
D.	1 – j 0.5
Answer» C. 1 + j 2

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