Question

Cómo simplificar 2 raíz de 5 x 3 raíz de 20

Answer 1

Resposta:

$2\sqrt{5} \times3\sqrt{20} =\\ \\ 2\times3\times\sqrt{5} \times\sqrt{20} =\\ \\ 6\times\sqrt{5\times20} =\\ \\ 6\times\sqrt{100} =\\ \\ 6\times10=\boxed{60}$