Question

AYUDENME PORFA A RESOLVER ESTO


(4a+6b)³

Answer 1

Aplicas productos notables.

(a + b)³ = a³ + 3a²b + 3ab² + b³

(4a + 6b)³ =
(4a)³ + 3(4a)²(6b) + 3(4a)(6b)² + (6b)³
4³a³ + 18(4²a²)b + 12a(6²b²) + 6³b³ =
64a³ + 18(16a²)b + 12a(36b²) + 216b³ =
64a³ + 288a²b + 432ab² + 216b³

Respuesta.
64a³ + 288a²b + 432ab² + 216b³