Question

media geometrica a numerelor √6-√2 si √6+√2 este egal cu

Answer 1

m.g. = radical ((√6 - √2) · (√6 + √2)) = radical (√6² - √2²) =
= radical (6 - 2) = √4 = 2.

Answer 2

$m_g=\sqrt{(\sqrt6-\sqrt2)(\sqrt6+\sqrt2)}=\sqrt{(\sqrt6)^2-(\sqrt2)^2}=2.$