adam-kelly_60b3f22ee2519
adam-kelly_60b3f22ee2519
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Hola Fórmula de diferencia de cubos: (b³ - a³) = (b - a)(b² + ba +a²) En el problema: . .1 - - - - - * (b³ - a³) (b - a) . .1 - - - - - * (b - a)(b² + ba +a²) (b - a) Simplificas (b - a): (b² + ba +a²) Y así queda porque es…