If Z{x1(n)}=X1(z) and Z{x2(n)}=X2(z) then what is the z-transform of c – McqOptions

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1.	If Z{x1(n)}=X1(z) and Z{x2(n)}=X2(z) then what is the z-transform of correlation between the two signals?
A.	X<sub>1</sub>(z).X<sub>2</sub>(z<sup>-1</sup>)
B.	X<sub>1</sub>(z).X<sub>2</sub>(z<sup>-1</sup>)
C.	X<sub>1</sub>(z).X<sub>2</sub>(z)
D.	X<sub>1</sub>(z).X<sub>2</sub>(-z)
Answer» C. X<sub>1</sub>(z).X<sub>2</sub>(z)

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