A system transfer function G (s) = \frac{ (s^{2} + 9) (s + 2) }{ (s + 1) (s + 3) (s + 4) } is excited by sin(ωt). The steady state output of system is zero at

Correct Answer is : ω = 3 rad/sec

GATE Electrical Engineering (EE) 2012 Solved Paper

Question : 16 of 65

Marks: +1, -0

A system transfer function

G (s) = \;{\;(s^{2}\;+\;9)\;\;(s\;+\;2)\;}/{\;(s\;+\;1)\;\;(s\;+\;3)\;\;(s\;+\;4)\;}

is excited by sin(ωt). The steady state output of system is zero at

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