Question

raiz de 7 sobre raiz de 3, racionalize os denominadores

Answer 1

$\frac{ \sqrt{7} }{ \sqrt{3} } = \frac{ \sqrt{7} . \sqrt{3} }{ \sqrt{3}. \sqrt{3} } = \frac{ \sqrt{7.3} }{ \sqrt{3.3} } = \frac{ \sqrt{21} }{ \sqrt{9} } = \frac{ \sqrt{21} }{3}$