Exercitiile 2 si 3 , va rog.

3√a=√63
3√a=√(9•7)
3√a=3√7 => a=7
2,4=24/10=12/5;
3,(3)=(33-3)/9=30/9=10/3
mg=√(12/5 • 10/3)= √8=√(4•2)=2√2