What is the output of the system represented by the following direct f – McqOptions

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1.	What is the output of the system represented by the following direct form?
A.	y(n)=-a1y(n-1)-a2y(n-2)- b0x(n)-b1x(n-1)-b2x(n-2)
B.	y(n)=-a1y(n-1)-a2y(n-2)+b0x(n)
C.	y(n)=-a1y(n-1)-a2y(n-2)+ b0x(n)+b1x(n-1)+b2x(n-2)
D.	y(n)=a1y(n-1)+a2y(n-2)+ b0x(n)+b1x(n-1)+b2x(n-2)
Answer» D.

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