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the output ot a standard second order system for a unit step input is given as...

the output ot a standard second order system for a unit step input is given as y(t)=1 - 2/√3 e -t cos (√3 t - π/6). find the transfer function of the system. also find the initial and final value of the given function f(s) = 1/S(S^2 + 6S +8)

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