Given 2 signals (-3)k u(k) and u (k-1). These two signals are superimp – McqOptions

MCQOPTIONS

1.	Given 2 signals (-3)^k u(k) and u (k-1). These two signals are superimposed. This superimposed signal is _______________
A.	( frac{z}{z+3} + frac{1}{z-1} )
B.	( frac{z}{z+3} frac{1}{z-1} )
C.	( frac{z}{z-3} + frac{1}{z-1} )
D.	( frac{z}{z+3} + frac{1}{z+1} )
Answer» B. ( frac{z}{z+3} frac{1}{z-1} )

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