Q. The number of roots of the polynomial, 𝑠7 + 𝑠6 + 7𝑠5 + 14𝑠4 + 31𝑠3 + 73𝑠2 + 25𝑠 + 200, in the open left half of the complex plane is
(A) 3
(B) 4
(C) 5
(D) 6
Ans: 3

Q. The number of roots of the polynomial, 𝑠7 + 𝑠6 + 7𝑠5 + 14𝑠4 + 31𝑠3 + 73𝑠2 + 25𝑠 + 200, in the open left half of the complex plane is
(A) 3
(B) 4
(C) 5
(D) 6
Ans: 3