Question

radical din 18 : la radical din 2 - 3

Answer 1

$\frac{ \sqrt{18} }{ \sqrt{2} -3} = \frac{3 \sqrt{2} ( \sqrt{2}+3) }{ \sqrt{2} ^{2}- 3^{2} }$
$\frac{6+ 9\sqrt{2} }{-7}$