Question

4* 72 / (sqrt)2

Step by step explenation​

Answer 1

Answer:

$144 \sqrt{2}$

Step-by-step explanation:

$4 \times \frac{72}{ \sqrt{2} }$

$on \: rationalizing$

$4 \times \frac{72 \sqrt{2} }{ \sqrt{2} \sqrt{2} }$

$4 \times \frac{72 \sqrt{2} }{2}$

$2 \times 72 \sqrt{2}$

$144 \sqrt{2}$