a system with unity feedback is shown in figure 2 below use the routh
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A system with unity feedback is shown in Figure 2 below. Use the Routh-Hurwitz stability criterion, determine if the closed-loop feedback control system \text { shown in Figure } 2
\text { is stable for the case where } G(s)=\frac{\alpha(s+4)(s+1)}{(s+2)\left(s^{2}+10 s+20\right)}\langle\alpha \text { is } 36 \text { ) }