Question

simplificando o radical ³v72, encontramos, encontramos

a)4v3
b)v3
​

Answer 1

³√72 = ³√2³.3² = 2 ³√9 <====©

Answer 2

Oie, Td Bom?!

$= \sqrt[3]{72}$

$= \sqrt[3]{2 {}^{3} \: . \: 9}$

$= \sqrt[3]{2 {}^{3} } \sqrt[ 3]{9}$

$= 2 \sqrt[3]{9}$

Att. Makaveli1996