A system with transfer function G(s) = (s2 + 9)(s + 2) is excited by sin ( t). (s + 1)(s + 3)(s + 4)The steady-state output of the system is zero at

A system with transfer function G(s) = (s2 + 9)(s + 2) is excited by s

1.	A system with transfer function G(s) = (s2 + 9)(s + 2) is excited by sin ( t). (s + 1)(s + 3)(s + 4)The steady-state output of the system is zero at
A.	= 1 rad/s
B.	= 2 rad/s
C.	= 3 rad/s
D.	= 4 rad/s
Answer» D. = 4 rad/s

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A system with transfer function G(s) = (s2 + 9)(s + 2) is excited by sin ( t). (s + 1)(s + 3)(s + 4)The steady-state output of the system is zero at

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