What is the signal whose z-transform is given as X(z)= ( frac{1}{2 j} – McqOptions

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1.	What is the signal whose z-transform is given as X(z)= ( frac{1}{2 j} oint X_1 (v) X_2 ( frac{z}{v})v^{-1} dv )?
A.	x<sub>1</sub>(n)*x<sub>2</sub>(n)
B.	x<sub>1</sub>(n)*x<sub>2</sub>(-n)
C.	x<sub>1</sub>(n).x<sub>2</sub>(n)
D.	x<sub>1</sub>(n)x<sub>2</sub>(n)
Answer» D. x<sub>1</sub>(n)x<sub>2</sub>(n)

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