3-Find DC gain, natural frequency, damping coefficient and damped-natural frequency (if applicable) for the following 2nd order transfer functions. Also, comment by stating which one is under-damped, over-damped and critically damped.\\
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$\bullet$ $G1(s) = \frac{s}{0.2s^2+1+3s}$\\
$\bullet$ $G2(s) = \frac{s+2}{s^2+0.1s+5}$\\
$\bullet$ $G3(s) = \frac{s}{0.2s^2+1}$