2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64733Certain types of bilinearly defined sets in $\mathbb{R}^n$ exhibit a higher degree of linearity than what is apparent by inspection.2 pagesGeneral MathematicsClassical Analysis and ODEsOptimization and Control15A63 (Primary) 51M99, 90C30 (Secondary)On a Linear Property of Bilinearly Defined Sets in $\mathbb{R}^n$text