The number of roots of s3 + 5 s2 + 7 s + 3 = 0 in the left half of the s-plane is

The number of roots of s3 + 5 s2 + 7 s + 3 = 0 in the left half of the

1.	The number of roots of s³ + 5 s² + 7 s + 3 = 0 in the left half of the s-plane is
A.	zero
B.	one
C.	two
D.	three
Answer» E.

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The number of roots of s3 + 5 s2 + 7 s + 3 = 0 in the left half of the s-plane is

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The number of roots of s³ + 5 s² + 7 s + 3 = 0 in the left half of the s-plane is