Question

root
$\sqrt{65 \times 30 \times 20 \times 15}$
65×30×20×15​

Answer 1

$\sqrt{65*30*20*15}$

$=\sqrt{(13*5)*(15*2)*(2*10)*(15)}$

$=(15*2*5)\sqrt{13*2}$

$=150\sqrt{26}$