Question

Media geometrica a numerelor
X= 4-2√3
Y=4+2√3
DAU INIMIOARĂ

Answer 1

$m.g.=\sqrt{x*y}$

$m.g.=\sqrt{(4-2\sqrt{3})(4+2\sqrt{3})}$

$m.g.=\sqrt{4^{2}-(2\sqrt{3})^{2}}$

$m.g.=\sqrt{16-12}$

$m.g.=\sqrt{4}$

$\boxed{m.g.=2}$

OBS!!!

$\boxed{(x-y)(x+y)=x^{2}-y^{2}}$