Abstract
The main aim of this paper is to establish some new hypergeometric summation theorems (14), (34) and the results (41), (42), (43) and (44) (not recorded earlier and numerically verified using Mathematica software) for k-balanced terminating Clausen series in terms of the ratio of the product of Pochhammer symbols, by using a relation between two terminating Clausen series, decomposition of the ratio of two Pochhammer symbols, Chu–Vandermonde summation theorem, algebraic properties of gamma functions and Pochhammer symbols, representation of a linear, quadratic, cubic, bi-quadratic polynomials in terms of Pochhammer symbols and series rearrangement technique.
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Appendix
Appendix
The roots I, R, S of the cubic equation \( Mx^3+Vx^2+Wx+Y=0,\) are calculated by using Wolfram Mathematica 9.0 Software or Cardan’s method (Cardon’s method). The values of I, R and S are given as follows:
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$$\begin{aligned}{} & {} I=\frac{-V}{3M}\nonumber \\{} & {} \quad -\frac{2^\frac{1}{3}(-V^2+3MW)}{3M\left\{ -2V^3+9MVW-27M^2Y +\sqrt{4(-V^2+3MW)^3+(-2V^3+9MVW-27M^2Y)^2}~\right\} ^\frac{1}{3}}\nonumber \\{} & {} \quad +\frac{\left\{ -2V^3+9MVW-27M^2Y+\sqrt{4(-V^2+3MW)^3 +(-2V^3+9MVW-27M^2Y)^2}\right\} ^\frac{1}{3}}{3\times 2^\frac{1}{3}M}\nonumber \\ \end{aligned}$$(51)
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$$\begin{aligned}{} & {} R=\frac{-V}{3M}\nonumber \\{} & {} \quad +\frac{(1+i\sqrt{3})(-V^2+3MW)}{3\times 2^\frac{2}{3}M\left\{ -2V^3+9MVW-27M^2Y +\sqrt{4(-V^2+3MW)^3+(-2V^3+9MVW-27M^2Y)^2}\right\} ^\frac{1}{3}}\nonumber \\{} & {} \qquad -\frac{(1-i\sqrt{3})\left\{ -2V^3+9MVW-27M^2Y+\sqrt{4(-V^2+3MW)^3 +(-2V^3+9MVW-27M^2Y)^2}\right\} ^\frac{1}{3}}{6\times 2^\frac{1}{3}M}\nonumber \\ \end{aligned}$$(52)
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$$\begin{aligned}{} & {} S=\frac{-V}{3M}\nonumber \\{} & {} \quad +\frac{(1-i\sqrt{3})(-V^2+3MW)}{3\times 2^\frac{2}{3}M\left\{ -2V^3+9MVW-27M^2Y +\sqrt{4(-V^2+3MW)^3+(-2V^3+9MVW-27M^2Y)^2}\right\} ^\frac{1}{3}}\nonumber \\{} & {} \quad -\frac{(1+i\sqrt{3})\left\{ -2V^3+9MVW-27M^2Y+\sqrt{4(-V^2+3MW)^3 +(-2V^3+9MVW-27M^2Y)^2}\right\} ^\frac{1}{3}}{6\times 2^\frac{1}{3}M}\nonumber \\ \end{aligned}$$(53)
Therefore,
$$\begin{aligned} I+R+S=\frac{-V}{M} \end{aligned}$$(54)$$\begin{aligned} IR+RS+SI=\frac{W}{M} \end{aligned}$$(55)and
$$\begin{aligned} IRS=\frac{-Y}{M} ~~or~ MIRS=-Y=-T(T+1)(T+2)U(U+1)(U+2) \end{aligned}$$(56)
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Qureshi, M.I., Malik, S.H. Some Terminating K-Balanced Clausen Hypergeometric Summation Theorems. Int. J. Appl. Comput. Math 9, 59 (2023). https://doi.org/10.1007/s40819-023-01536-0
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DOI: https://doi.org/10.1007/s40819-023-01536-0
Keywords
- Beta function
- Chu–Vandermonde theorem
- Pfaff–Kummer linear transformation
- Series rearrangement technique
- Mathematica software