-
The number of roots of the equation
2s4 + s3 + 3s2 + 5s + 7 = 0
that lie in the right half of s plane is—
-
- zero
- one
- two
- three
- zero
Correct Option: C
R.H.C. of the given C.E.
2s4 + s3 + 3s2 + 5s + 7 = 0
s4 2 3 7
s3 1 5
s2 – 7 7
s1 6
s0 7
since there are two sign changes, therefore, two roots in the right half plane.
