Question

Write the simplest rationalization factor of the following surds :

$2\sqrt{2}$

• A. $\sqrt{3}$
• B. $\sqrt{8}$
• C. $\sqrt{2}$
• D. $\sqrt{4}$

Answer 1

The correct option is C $\sqrt{2}$

$2\sqrt{2}$
$=2\sqrt{2}$
The procedure of multiplying a surd by another surd to get a rational number is called RationalisationThe operands are called Rationalizing Factor (RF) of the other.
Here, $\sqrt{2}$ is the Rationalisation Factor.