Question

rationalise the denominator of 12/root 3

Answer 1

$12/\sqrt{3}$ * $\sqrt{3} / \sqrt{3}$ =
$12 \sqrt{3} / \sqrt{3} * \sqrt{3}$ =
$12 \sqrt{3} /3$ =
$4 \sqrt{3}$

Answer 2

12√3*√3/√3
12*√3/3
=4√3