The number of roots of the equation 2s4 + s3 + 3s2 + 5s + 7 = 0 that lie in the right half of s plane is

The number of roots of the equation 2s4 + s3 + 3s2 + 5s + 7 = 0 that l

1.	The number of roots of the equation 2s4 + s3 + 3s2 + 5s + 7 = 0 that lie in the right half of s plane is
A.	zero
B.	one
C.	two
D.	three
Answer» D. three

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The number of roots of the equation 2s4 + s3 + 3s2 + 5s + 7 = 0 that lie in the right half of s plane is

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