2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/69061Part I: The two-dimensional Pascal Triangle will be generalized into a three-dimensional Pascal Pyramid and four-, five- or whatsoever-dimensional hyper-pyramids. Part II: The Bilateral Binomial Theorem will be generalised into a Bilateral Trinomial Theorem resp. a Bilateral Multinomial Theorem.6 pages, 3 figuresGeneral MathematicsPascal Pyramids, Pascal Hyper-Pyramids and a Bilateral Multinomial Theoremtext