Question

evaluate 4/root2
$4 \div \sqrt{2}$

Answer 1

$\frac{4}{ \sqrt{2} }$
so,

$\frac{4}{ \sqrt{2} } \times \frac{ \sqrt{2} }{\sqrt{2} }$
$\frac{4 \sqrt{2} }{ \sqrt{2} \times \sqrt{2} }$
$\frac{4 \sqrt{2} }{2}$
divide 4 by 2,
$2 \sqrt{2}$
so ,
we get
$2 \sqrt{2}$


hope this help......