Question

a) raiz de 5
sobre raiz de 2
b) 2 raiz de 3
sobre 5 raiz de 2
urgente

Answer 1

$\frac{ \sqrt{5} }{ \sqrt{2} }. \frac{ \sqrt{2} }{ \sqrt{2} }= \frac{ \sqrt{10} }{2} }$

$\frac{2 \sqrt{3} }{5 \sqrt{2} }. \frac{5 \sqrt{2} }{5 \sqrt{2} }= \frac{10 \sqrt{6} }{(5 \sqrt{2})^2 }= \frac{10 \sqrt{6} }{25 . 2}= \frac{10 \sqrt{6} }{50}= \frac{ \sqrt{6} }{5}$