Question

Rationalize the denominator:1/
$\sqrt{5 } \ + 2$

​

Answer 1

Answer:

√5-2

Step-by-step explanation:

you can see the picture i attached above :)

Answer 2

$\frac{1}{ \sqrt{5} \: + 2 } \\ \\ = \frac{1}{ \sqrt{5} + 2} \times \frac{ \sqrt{5} - 2}{ \sqrt{5} - 2} \\ \\ = \frac{ \sqrt{5 } - 2}{( { \sqrt{5}) }^{2} - ( {2}) ^{2} } \\ \\ = \frac{ \sqrt{5} - 2}{5 - 4} \\ \\ = \frac{ \sqrt{5} - 2}{1} \\ \\ = \sqrt{5} - 2$

I hope this helps.