On the zeros of the Polar Derivative of a polynomial

M Gulzar, B Zargar, R Akhter - Communications in Nonlinear …, 2019 - cna-journal.com
j= 0 ajzj be a polynomial of degree n such that an≥ an-1≥...≥ a0> 0, then according to the
Enström-Kakeya Theorem all the zeros of P (z) lie in| z|≤ 1. Aziz and Mohammad have …