2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/184581We examine connections between rationality of certain indefinite integrals and equilibrium of Coulomb charges in the complex plane.LATEX, 15 pagesMathematical PhysicsHigh Energy Physics - TheoryComplex VariablesExactly Solvable and Integrable SystemsEquilibrium of charges and differential equations solved by polynomialstext