Question

Efetue :
 ( ³√4)²

(√5)²

Answer 1

a)

$( \sqrt[3]{4} ) ^{2} = \sqrt[3]{ 4^{2} } = \sqrt[3]{16} = \sqrt[3]{ 2^{3} .2} =2 \sqrt[3]{2}$

b)
$( \sqrt{5} ) ^{2} = \sqrt{ 5^{2} } =5$