Question

cubo de un binomio dasarrollar:(7a+⅔b)³​

Answer 1

Respuesta:

(a + b)3 = a³ + 3 · a² · b + 3 · a · b² + b³

(7a)³+3(7a)³.(2/3b)+3(7a).(2/3b)²+(2/3b)³

343a³+686a³b+84/9b²+8/27b³

listo!