Question

rationalizeaza;

1\ radical din 2 - radical din 5

Answer 1

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