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.	\(5+0.888sin(\frac{π}{2}n-420)-1.06cos(πn-\frac{π}{4})\)
B.	\(5+0.888sin(\frac{π}{2}n-420)+1.06cos(πn+\frac{π}{4})\)
C.	\(5+0.888sin(\frac{π}{2}n-420)-1.06cos(πn+\frac{π}{4})\)
D.	\(5+0.888sin(\frac{π}{2}n+420)-1.06cos(πn+\frac{π}{4})\)
Answer» D. \(5+0.888sin(\frac{π}{2}n+420)-1.06cos(πn+\frac{π}{4})\)

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