Question

media geometrica a nr reale 3 si12 9 si 81

Answer 1

3 x12= 36
Radical din 36 = 6
radical din 9x 81= 27

Answer 2

$m_g= \sqrt{a*b} \\ \\ m_g= \sqrt{3\cdot12} = \sqrt{36}=6\\\\m_g= \sqrt{9 \cdot 81 }= \sqrt{729}=27$