2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60419We give a simple proof of the statement that every rational curve in the primitive class of a general K3 surface is nodal.36 Pages in AMS-Latex, 8 figuresAlgebraic Geometry14H10A Simple Proof that Rational Curves on K3 are Nodaltext