Question

me ajudem, por favor!​

Answer 1

$\sqrt[5]{ {2}^{5} \times {x}^{5} } = 2 \times x = 2x \\ \sqrt[6]{ {a}^{12} } + \sqrt[6]{ {b}^{6} } = {a}^{2} b \\ \sqrt{ \frac{ {5}^{4} }{ {7}^{8} } } = ( \frac{5}{49} ) ^{2} .$