https://fr.wikipedia.org/wiki/Dernier_th%C3%A9or%C3%A8me_de_Fermat
https://www.drgoulu.com/2016/03/25/contre-exemples-au-theoreme-de-fermat-wiles/
Fermat's Last Theorem (xⁿ + yⁿ = zⁿ) is not applicable to matrices (cf )