Question

Calcule indicando o resultado sem radical: a) √2 × √ 32 B) √2 × √200​

Answer 1

a)

$\sqrt{2 \times {32} } = \sqrt{64 } = \sqrt{ {2}^{6} } = {2}^{3} = 8$

b)

$\sqrt{2 \times 200} = \sqrt{400}$

$\sqrt{400} = \sqrt{ {20}^{2} } = 20$