Olá...
[tex] \sqrt{ \frac{434}{49} } \\ \sqrt{ \frac{62}{7} } \\ \frac{ \sqrt{62} }{ \sqrt{} 7} \\ \frac{ \sqrt{62} }{ \sqrt{7} } \times \frac{ \sqrt{7} }{ \sqrt{} 7} \\ \frac{ \sqrt{62 \sqrt{7} } }{ \sqrt{7 \sqrt{7} } } \\ \frac{ \sqrt{434} }{7} [/tex]
