Question

scoateți factorii de sub radical 72

Answer 1

radical 72=
= radical 6^2×2=
=radical 6^2 × radical 2=
=6 radical 2

Answer 2

$\sqrt{72} = \sqrt{2 \times 2 \times 2 \times 3 \times 3} = \sqrt{(2 \times 2) \times (3 \times 3) \times 2} = \sqrt{ {2}^{2} \times {3}^{2} \times 2 } = (2 \times 3) \sqrt{2} = 6 \sqrt{2}$