If the closed-loop transfer function of unity negative feedback system is given by T(s) = an-1 s+ansn + a1sn-1 + ........+an-1s+anthen the steady state error for a unit ramp is

If the closed-loop transfer function of unity negative feedback system

1.	If the closed-loop transfer function of unity negative feedback system is given by T(s) = an-1 s+ansn + a1sn-1 + ........+an-1s+anthen the steady state error for a unit ramp is
A.	an. an 1
B.	an. an 2
C.	an 2. an
D.	Zero
Answer» D. Zero

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If the closed-loop transfer function of unity negative feedback system is given by T(s) = an-1 s+ansn + a1sn-1 + ........+an-1s+anthen the steady state error for a unit ramp is

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