Consider the following polynomials 1. s4 + 7s3 + 17s2 + 17s + 6 2. s4 + 11s3 + 41s2 + 61s + 30 3. s4 + s3 + 2s2 + 3s + 2. Among these polynomials, those which are Hurwitz would include

Consider the following polynomials 1. s4 + 7s3 + 17s2 + 17s + 6 2. s4

1.	Consider the following polynomials 1. s4 + 7s3 + 17s2 + 17s + 6 2. s4 + 11s3 + 41s2 + 61s + 30 3. s4 + s3 + 2s2 + 3s + 2. Among these polynomials, those which are Hurwitz would include
A.	1 and 3
B.	2 and 3
C.	1 and 2
D.	1, 2 and 3
Answer» D. 1, 2 and 3

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Consider the following polynomials 1. s4 + 7s3 + 17s2 + 17s + 6 2. s4 + 11s3 + 41s2 + 61s + 30 3. s4 + s3 + 2s2 + 3s + 2. Among these polynomials, those which are Hurwitz would include

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