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Is it possible to express $\text{Li}_2(-\frac18(-i+\sqrt{15})+\text{Li}_2(\frac18 (i+\sqrt{15})$ as an explicit real expression (not numeric)?

The expression can be expressed as infinite sum. All the sums are pretty much the same only in different form and all produce the same terms/summands. ...
azerbajdzan's user avatar
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1 vote

Convergent Taylor series unrecognized by Sum

Indeed, FactorialPower[n, k]/(k!) == Binomial[n, k] // FunctionExpand True However, the above result is only generic: ...
user64494's user avatar
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