Question

Simplifique o radical
√120

Answer 1

Fatore 120:

120 | 2
  60 | 2
  30 | 2
  15 | 3
    5 | 5
    1

Assim: $\sqrt{120}=\sqrt{2^2.2.3.5}=\sqrt{2^2}.\sqrt{2.3.5}=2\sqrt{30}$