TURÁN-TYPE L^r-INEQUALITIES FOR POLAR DERIVATIVE OF A POLYNOMIAL

Robinson Soraisam, Mayanglambam Singhajit Singh, Barchand Chanam

Abstract


In this paper, we obtain an improved extension of the above inequality into polar derivative. Further, we also extend an inequality on polar derivative recently proved by Rather et al. [20] into L^r-norm. Our results not only extend some known polynomial inequalities, but also reduce to some interesting results as particular cases.


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ISSN: 1229-1595 (Print), 2466-0973 (Online)

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