Question

Cum se calculeaza media geometrica a numerelor √10 - 3 si √10 + 3 ?

Answer 1

$\sqrt{( \sqrt{10}-3) ( \sqrt{10}+3)}= \sqrt{10-9} =1$

Answer 2

$M= \sqrt{ab} = \sqrt{ (\sqrt{10} -3) (\sqrt{10}+3} )}= \sqrt{\sqrt{ 10^{2}} - 3^{2} }} = \\ \sqrt{ 10-9 }=1$