2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/69664We show that, for generic bihomogeneous polynomials, the determinant of the matrix of moving planes is irreducible.revised version accepted for publication in Communications in AlgebraCommutative Algebra14Qxx; 13PxxOn the irreducibility of the determinant of the matrix of moving planestext