Question

Resolver (3a + b)9ªpotencia

Answer 1

(3a+b)9ª=
3*9ª*a+9ª*b=
3(3²)ª*a+9ª*b=
3*3²ª*a+9ª*b=
= 3²ª+¹*a+9ª*b

R//: 3²ª+¹*a+9ª*b

Saludos;