If the z-transform of the system is given byH (z) = a+z-1/1+az-1 – McqOptions

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1.	If the z-transform of the system is given by H (z) = a+z^-1/1+az^-1
A.	nWhere a is real valued:
B.	tA low pass filter
C.	tA high pass filter
D.	tAn all pass filter
E.	tA bandpass filter
Answer» D. tAn all pass filter

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