What is the step response of the system y(n)=ay(n-1)+x(n) -1 – McqOptions

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1.	What is the step response of the system y(n)=ay(n-1)+x(n) -1
A.	\(\frac{1}{1-a}\)(1+an+2)u(n)
B.	\(\frac{1}{1+a}\)(1+an+2)u(n)
C.	\(\frac{1}{1-a}\)(1-an+2)u(n)
D.	\(\frac{1}{1+a}\)(1-an+2)u(n)
Answer» D. \(\frac{1}{1+a}\)(1-an+2)u(n)

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