I am trying to prove that : \begin{equation} \sum_{l=1}^{\infty}\frac{1}{l}P_l(s) = \log(\frac{2}{1-s + \sqrt{2-2s}}) \end{equation} where $P_l$ is the $\textbf{Legendre Polynomial}$, i dont know where to start, can you please help me, Thanks
2026-03-26 12:36:34.1774528594
Closed form of summation of Legendre polynomials
258 Views Asked by user43138 https://math.techqa.club/user/user43138/detail AtRelated Questions in SEQUENCES-AND-SERIES
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