Question

Calculati media geometrica a numerelor x=3-radical din 8 si y=3+2 radical din 2

Answer 1

[tex]x=3-\sqrt8=3-2\sqrt2\;\;si\\ y=3+2\sqrt2\\ \\ m_g=\sqrt{x\cdot{y}}=\sqrt{(3-2\sqrt2)(3+2\sqrt2)}=\sqrt{9-4\cdot2}=1[/tex]