Talk:Digamma Additive Formula

Complex form of Sum of Logarithms?

What do you mean? Is there such a formula? --Usagiop (talk) 18:45, 15 December 2023 (UTC)

Sum of Logarithms is for real arguments. The proof uses complex.--prime mover (talk) 20:03, 15 December 2023 (UTC)

By the way, I think, due to Zeroes of Analytic Function are Isolated, it suffices to show the equality on $\R_{>0}$. --Usagiop (talk) 18:48, 15 December 2023 (UTC)