Question

calculati:
radical 8: radical 2​

Answer 1

 

$\displaystyle\bf\\Metoda~1:\\\\\sqrt{8}:\sqrt{2}=\frac{\sqrt{8}}{\sqrt{2}}=\sqrt{\frac{8}{2}}=\sqrt{4}=2\\\\\\Metoda~2:\\\\\sqrt{8}:\sqrt{2}=\frac{\sqrt{8}}{\sqrt{2}}=\frac{\sqrt{4\times2}}{\sqrt{2}}=\frac{2\sqrt{2}}{\sqrt{2}}=2$