The algebraic equation F(s) = s 5 3s 4 + 5s 3 7s 2 + 4s + 20 is given. F(s) = 0 has

one positive real root, two imaginary roots, and two roots with negative real parts

a single complex root with the remaining roots being real

one positive real root and four complex roots, all with positive real parts

one negative real root, two imaginary roots, and two roots with positive real parts

The algebraic equation F(s) = s 5 3s 4 + 5s 3 7s 2 + 4s + 20 is gi

1.	The algebraic equation F(s) = s 5 3s 4 + 5s 3 7s 2 + 4s + 20 is given. F(s) = 0 has
A.	a single complex root with the remaining roots being real
B.	one positive real root and four complex roots, all with positive real parts
C.	one negative real root, two imaginary roots, and two roots with positive real parts
D.	one positive real root, two imaginary roots, and two roots with negative real parts
Answer» D. one positive real root, two imaginary roots, and two roots with negative real parts

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The algebraic equation F(s) = s 5 3s 4 + 5s 3 7s 2 + 4s + 20 is given. F(s) = 0 has

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