1 a,b-cele două numere a=6
[tex] \frac{a+b}{2} =12[/tex]
[tex] \frac{6+b}{2} [tex] [/tex]12[/tex]
6+b=24
b=24-6
b=18
2.a,b cele 2 numer, a=6
[tex] \sqrt{a*b} =12[/tex]
[tex] \sqrt{6b} =12[/tex]
ridicând ecuatia la patrat se obtine:
36b^{2} =144
[tex] b^{2} =144:36[/tex]
b=2
