Question

EXAMPLE 21.4 Indicate, with proper reasoning which of
the following polynomials are Hurwitz :
(a) s^2 + 4s + 10
(b) s^4 +s^3 +2s^2 +3s+2
(c) s^4 + 11 s^3+39 s^2 +51 s + 20
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Answer 1

Answer:

B) s^4+s^3+2s^2+3s+2