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Finite and infinite hypergeometric sums involving the digamma function

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arxiv 2207.12290 v1 pith:5KHJXSHE submitted 2022-07-11 math.CA

classification math.CA
keywords functionsomeformulashypergeometricdigammafiniteinfiniteparameters
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We calculate some finite and infinite sums containing the digamma function in closed-form. For this purpose, we differentiate selected reduction formulas of the hypergeometric function with respect to the parameters applying some derivative formulas of the Pochhammer symbol. Also, we compare two different differentiation formulas of the generalized hypergeometric function with respect to the parameters. For some particular cases, we recover some results found in the literature. Finally, all the results have been numerically checked.

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