Question

rationalise the denominator and simplify 1 ÷ 2root5 - root 3

Answer 1

$\frac{1}{ 2\sqrt{5}- \sqrt{3} }$

$\frac{1}{ 2\sqrt{5}- \sqrt{3} } . \frac{2\sqrt{5}+ \sqrt{3}}{2\sqrt{5}+ \sqrt{3}}$

$\frac{2\sqrt{5}+ \sqrt{3}}{20-3}$

$\frac{2\sqrt{5}+ \sqrt{3}}{17}$