Question

radical8supra14 impartit la 1supr radical63=

Answer 1

$\frac{ \sqrt{8} }{14} : \frac{1}{ \sqrt{63} } = \frac{ \sqrt{4*2 } }{14}* \sqrt{7*9 }= \frac{ 2\sqrt{2 } }{14}* 3\sqrt{7 }= \frac{ \sqrt{2} *3 \sqrt{7} }{7} = \frac{3\sqrt{14} }{7}$