2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/135081We present a rational version of the classical Landen transformation for elliptic integrals. This is employed to obtain explicit closed-form expressions for a large class of integrals of even rational functions and to develop an algorithm for the numerical integration of these functions.20 pagesClassical Analysis and ODEs33E05text