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On the Elementary Symmetric Polynomials and the Zeros of Legendre Polynomials

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  • Maryam Salem Alatawi
  • Barbara Martinucci

Abstract

In this paper, we seek to present some new identities for the elementary symmetric polynomials and use these identities to construct new explicit formulas for the Legendre polynomials. First, we shed light on the variable nature of elementary symmetric polynomials in terms of repetition and additive inverse by listing the results related to these. Sequentially, we have proven an important formula for the Legendre polynomials, in which the exponent moves one walk instead of twice as known. The importance of this formula appears throughout presenting Vieta’s formula for the Legendre polynomials in terms of their zeros and the results mentioned therein. We provide new identities for the elementary symmetric polynomials of the zeros of the Legendre polynomials. Finally, we propose the relationship between elementary symmetric polynomials for the zeros of Pnx and the zeros of Pn−1x.

Suggested Citation

  • Maryam Salem Alatawi & Barbara Martinucci, 2022. "On the Elementary Symmetric Polynomials and the Zeros of Legendre Polynomials," Journal of Mathematics, Hindawi, vol. 2022, pages 1-9, May.
    • Handle: RePEc:hin:jjmath:4139728
    DOI: 10.1155/2022/4139728
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