Question

2 va rog ex 3 .........​

Answer 1

$\sqrt[2]{x {}^{2} } = x \\ \sqrt{x {}^{2} } = x \\ x = x \\ \\ \\ \sqrt{x {}^{2} } = - x \\ x = - x \: \: nu \: \: apartine \\ \\ \\ \sqrt{x {}^{4} } = x {}^{2} \\ x {}^{2} = x {}^{2} \\ \\ \\ \sqrt[3]{x {}^{3} } = x \\ x = x$