2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/3877We present the results of a combined analysis of cosmic microwave background (CMB) and X-ray galaxy clusters baryon fraction to deduce constraints over 6 in flationnary cosmological parameters. Such a combination is necessary for breaki ng degeneracies inherent to the CMB.2 pages. To appear in ASP Conf Proc `A New Era in Cosmology'. Eds: N. Metcalfe & T. ShanksAstrophysicstext