Quan estàs fent un examen i t'encalles amb un exercici, has d'anar provant amb les fórmules que et sàpigues i agafant el màxim de dades possibles fins que et surti.
A l'hora de fer determinants i adjunts, sempre canviar el signe de la matriu, ja que en els dos casos dona el mateix resultat.
El creador del mètode, el filòsof Max Torres Rodrigo, estava estudiant matrius i determinants, quan va deduir que els signes no servien per res.
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