2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/167097It is shown that the rational convexity of any finite union of disjoint closed balls in C^n follows easily from the results of Duval and Sibony.V.2 - minor edits, 2 pagesComplex VariablesFinite unions of balls in C^n are rationally convextext