Question

Resolva:
$3\sqrt{45} + 4\sqrt{245}$
(3 raiz de 45 + 4 raiz de 245)

Answer 1

Resposta:

$37\sqrt{5}$

Explicação passo a passo:

$\sqrt{45}$ = $\sqrt{9 . 5}$ = $3\sqrt{5}$

$\sqrt{245}$ = $\sqrt{49.5}$ = $7\sqrt{5}$

3.3$\sqrt{5}$ + 4.7$\sqrt{5}$ = $9\sqrt{5}$ + $28\sqrt{5}$ ==>

$37\sqrt{5}$