Question

raiz de 7 mais 35 sobre raiz de 7

Answer 1

   $\frac{ \sqrt{7} +35}{ \sqrt{7} } * \frac{ \sqrt{7} }{ \sqrt{7} }= \frac{( \sqrt{7} )^2+35 \sqrt{7} }{ (\sqrt{7} )^2} = \frac{7+35 \sqrt{7} }{7} =7+5 \sqrt{7}$