Question

rationalise the denominator 1/2 + root 3​

Answer 1

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

$= \frac{2 - \sqrt{3} }{(2 + \sqrt{3} )(2 - \sqrt{3}) }$

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

$= 2 - \sqrt{3}$