A system with transfer function G(s) = [(s2 + 9)(s + 2)]/[(s + 1)(s + 3)(s + 4)

Question

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

Options:

A . w = 1 rad/s

B . w = 2 rad/s

C . w = 3 rad/s

D . w = 4 rad/s

Answer: Option C

-NA-

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