Question

1/ (under root 18 -under root 32) =?

Answer 1

It can be written as


$\sqrt{18 } = 3 \sqrt{2}$

And
$\sqrt{32} = 4 \sqrt{2}$
Therefore, 1/ (under root 18 -under root 32)equals to


$\frac{1}{3 \sqrt{2} - 4 \sqrt[]{2} }$
$= - \frac{1}{ \sqrt{2} }$

Answer 2

Answer:

-1/root2

Step-by-step explanation: