Question

va rog DAU COROANA
rpd va rog

Answer 1

$( \sqrt{15} - \sqrt{6} )/ \sqrt{3} = \sqrt{3} ( \sqrt{5} - \sqrt{2} )/ \sqrt{3} = \sqrt{5} - \sqrt{2}$

Answer 2

rationalizezi numitorul adica amplifici cu √3⇒√3(√15-√6)/3=factor comun √3=
3(√5-√2)/3=simplifici 3 cu 3=√5-√2