Resposta:
Olá boa tarde!
[tex]\sqrt[2]{12}*\sqrt[2]{10} = \sqrt[2]{12*10}[/tex]
[tex]\sqrt[2]{12*10} = \sqrt[2]{120}[/tex]
[tex]\sqrt[2]{120} = \sqrt[2]{4*30}[/tex]
[tex]\sqrt[2]{4*30} =\sqrt[2]{4}*\sqrt[2]{30}[/tex]
[tex]2\sqrt[2]{30}[/tex]
