Question

divide 18 square root 21 by 6 square root 7

Answer 1

Hiiii there!!!

18√21/6√7= 3√3 ANS

Hope it helps....

Answer 2

Hey mate!!!!! Here's your answer.
$\frac{18 \sqrt{21} }{6 \sqrt{7} } \\ = \frac{18 \sqrt{7} \times \sqrt{3} }{6 \sqrt{7} } \\ = \frac{18 \sqrt{3} }{6} \\ = 3 \sqrt{3}$
Hope this will help you