Zero-Free Regions and Number of Zeros in Annular Regions of Polynomials with Restricted Coefficients

IJSRP, Volume 7, Issue 6, June 2017 Edition [ISSN 2250-3153]

Zero-Free Regions and Number of Zeros in Annular Regions of Polynomials with Restricted Coefficients

M. H. Gulzar , A.W.Manzoor , Ajaz Wani

Abstract: In this paper we find zero-free regions of a special class of polynomials when their coefficients are restricted to certain conditions. We also find bounds for the number of their zeros in some annular regions.

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M. H. Gulzar , A.W.Manzoor , Ajaz Wani (2017); Zero-Free Regions and Number of Zeros in Annular Regions of Polynomials with Restricted Coefficients; Int J Sci Res Publ 7(6) (ISSN: 2250-3153). http://www.ijsrp.org/research-paper-0617.php?rp=P666531