f7d69658-b695-44c8-89d3-cc91b56a96b65c53e21b-2031-483d-a802-d39720738c654.2.8.3[{"lang":"es","name":"Derivada de una potencia"},{"lang":"en","name":"Derivative of a power"},{"lang":"ca","name":"Derivada d'una potència"}]67/18/16, 11:43 AM7/18/16, 11:43 AM