If $\prod (1+a_k)$ converges, then to prove that $\prod|(1+ a_k)|$ converges. Any suggestion and idea about this will be highly appreciated. Thank you.
2026-03-26 12:35:46.1774528546
Infinite product convergence in complex analysis: $\prod (1+a_k)$ and $\prod|(1+ a_k)|$
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