Question

Radical din 162 (scoatere de sub radical)

Answer 1

162 = 2 × 3^4

rad162 = 3^2rad2 = 9rad2

Answer 2

$\sqrt{162} = \sqrt{2 \times 3 \times 3 \times 3 \times 3} = \sqrt{(3 \times 3) \times (3 \times 3) \times 2} = \sqrt{ {3}^{2} \times {3}^{2} \times 2 } = (3 \times 3) \sqrt{2} = 9 \sqrt{2}$