2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/174095We give a new proof of Theorem 6 in [L. Qiu and X. Zhan, On the span of Hadamard products of vectors, Linear Algebra Appl. 422 (2007) 304--307].2 pagesRings and Algebras15A03; 15A04; 15A57text