Question

The lowest rationalizing factor of √5-√4​

Answer 1

Hope this helps you ;)

The lowest rationalizing factor is:

$\sqrt{5 } + \sqrt{4}$

Verification:

$\sqrt{5} - \sqrt{4} \times ( \sqrt{5} + \sqrt{4} )$

$= {( \sqrt{5} )}^{2} - {( \sqrt{4}) }^{2}$

$= 5 - 4$

$= 1$