If an LTI system is described by the difference equation y(n)=ay(n-1) – McqOptions

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1.	If an LTI system is described by the difference equation y(n)=ay(n-1)+bx(n), 0 < a < 1, then what is the parameter ‘b’ so that the maximum value of \|H(ω)\| is unity?
A.	a
B.	1-a
C.	1+a
D.	none of the mentioned
Answer» C. 1+a

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