Question

Scrieti fiecare dintre numerele urmatoare ca produs de radicali :√26 , √65 ,√51 ,√45 ,√70, √87,√77,√39,√125,√323

Answer 1

√26 = √2·√13
√65 = √5·√13
√51 = √3·√17
√45 = √3²·√5 = 3√5
√70 = √2·√7·√5
√87 = √3·√29
√77 = √7·√11
√39 = √3·√13
√125= √5² ·√5 = 5√5
√323 =√17·√19

Answer 2

√26 = √13×√2
√65 = √5×√13
√51 = √3×√17
√45 = √9×√5 sau  √3×√15
√70 = √2×√7×√5  sau √7×√10
√87 = √3×√29
√77 = √7×√11
√39 = √3×√13
√125= √25 ×√5 
√323 =√17×√19