2. Use the Routh-Hurwitz criterion to determine the range of K that will make the following systems stable: R(s) E(s) K(s? – 2s + 2) 1 g2 + 2s + 4 a) R(s) E(s) K(s + 2) C(s) s(s + 1)(s + 3) s+6 s+7 b)

Please answer only letter a.

Show complete and detailed solution.

Extracted text: 2. Use the Routh-Hurwitz criterion to determine the range of K that will make the following systems stable: R(s) E(s) K(s? – 2s + 2) 1 g2 + 2s + 4 a) R(s) E(s) K(s + 2) C(s) s(s + 1)(s + 3) s+6 s+7 b)