Bounds for the Zeros of a Polynomial with Restricted Coefficients
Abdul Aziz, Bashir Ahmad Zargar
DOI: 10.4236/am.2012.31005   PDF    HTML   XML   4,576 Downloads   8,324 Views   Citations


In this paper we shall obtain some interesting extensions and generalizations of a well-known theorem due to Enestrom and Kakeya according to which all the zeros of a polynomial P(Z =αnZn+...+α1Z+α0satisfying the restriction αn≥αn-1≥...≥α1≥α0≥0 lie in the closed unit disk.

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Aziz, A. and Zargar, B. (2012) Bounds for the Zeros of a Polynomial with Restricted Coefficients. Applied Mathematics, 3, 30-33. doi: 10.4236/am.2012.31005.

Conflicts of Interest

The authors declare no conflicts of interest.


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