Question

Rationalize the
demominator of the
following

$\frac{1}{2 + \sqrt 3}$
​

Answer 1

$\frac{1}{2 + \sqrt{3} } \times \frac{2 - \sqrt{3} }{2 - \sqrt{3} }$

$= \frac{2 - \sqrt{3} }{4 - 3}$

$= 2 - \sqrt{3}$