Question

Semplifique as expressões √2.(√126+√56)-√3.(√84-√3+√48)

Answer 1

racionalizando os radicais, temos
$\sqrt{2} (3 \sqrt{14} +2 \sqrt{14} ) - \sqrt{3} (2 \sqrt{21} - \sqrt{3} +4 \sqrt{3} ) \sqrt{2}(5 \sqrt{14} )- \sqrt{3}(2 \sqrt{21} + \sqrt{3} ) 5 \sqrt{28} -2 \sqrt{63} -3$