Răspuns:
Explicație pas cu pas:
[tex]\color{red}\Large\boxed{ \bf Media ~geometrica = \sqrt{a\cdot b}}[/tex]
[tex]\large\bf Mg = \sqrt{3\sqrt{3} \cdot3\sqrt{6} }[/tex]
[tex]\large\bf Mg = \sqrt{9\sqrt{18} }=\sqrt{3^{2}\sqrt{18} }=3\sqrt{\sqrt{18}}=\boxed{\bf 3\sqrt[4]{18} }[/tex]
