EC > GATE 2025 > Root Locus
Consider the polynomial p(s)=s5+7s4+3s3-33s2+2s-40. Let (L, I, R) be defined as follows.
L is the number of roots of p(s) with negative real parts.
I is the number of roots of p(s) that are purely imaginary.
R is the number of roots of p(s) with positive real parts.
Which one of the following options is correct?
L is the number of roots of p(s) with negative real parts.
I is the number of roots of p(s) that are purely imaginary.
R is the number of roots of p(s) with positive real parts.
Which one of the following options is correct?
Correct : c
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