Question

cat face 2 supra 2 radical din 2 ori 1 supra radical din 2 ?

Answer 1

$\frac{2}{2 \sqrt{2} } \times \frac{1}{ \sqrt{2} } = \frac{1 \times 1}{ \sqrt{2} \sqrt{2} } = \frac{1}{ \sqrt{2} \sqrt{2} } = \frac{1}{2}$