Question

rationalize 2/sqrt5+sqrt3+2​

Answer 1

$\frac{2}{ \sqrt{5} } + \sqrt{3} + 2 \\ ( \frac{2}{ \sqrt{5} } \times \frac{ \sqrt{5} }{ \sqrt{5} } ) + \sqrt{3 } + 2 \\ \frac{2 \sqrt{5} }{5} + \sqrt{3} + 2 \\ \frac{2 \sqrt{5} + 5\sqrt{3} + 10 }{5}$