Generalized Gregory's series

نویسندگان

  • Roman Witula
  • Edyta Hetmaniok
  • Damian Slota
چکیده

Keyword: Generalized Gregory’s series Trigonometric identities Odd harmonic numbers In this paper the countable family of generalized Gregory’s series (all of which are the power series having the radius of convergence equal to one) is defined. Sums SnðxÞ; n 1⁄4 1;2; . . . of these series are found – first in the definite integral form and next in the form of finite linear combination of arcus tangents of some linear forms of x. It enables to extend the definition of SnðxÞ for all x 2 C n ffiffiffiffiffiffiffi 1 2n p for every n 2 N. Moreover, for new functions SnðxÞ, obtained in result of this extension, many fundamental and surprising integral and trigonometric identities are received. Sums of the series of differences of odd harmonic numbers are presented as well. 2014 Elsevier Inc. All rights reserved.

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عنوان ژورنال:
  • Applied Mathematics and Computation

دوره 237  شماره 

صفحات  -

تاریخ انتشار 2014