Which of the following is not true?
1
If all the zeros of a polynomial lie in a upper half plane then the zeros of its derivative also lie in the same half-plane.
2
If all the zeros of a polynomial lie in a lower half plane then the zeros of its derivative also lie in the same half-plane.
3
If all the zeros of a polynomial lie in the smallest convex polygon. then the zeros of its derivative also lie in the same plane.
4
If all the zeros of a polynomial lie in the smallest convex polygon. Then the zeros of its derivative also not lie in the same plane.
5
Question Not Attempted