Question

Calcule e simplifique:

√8 . √1/2

Answer 1

√8 . √1/2
2√2*√1/2
2√2* 1/√2
2*1 =
= 2 <-- resposta

Answer 2

$\sqrt{8} . \sqrt{ \frac{1}{2} } = \sqrt{8. \frac{1}{2} } = \sqrt{ \frac{8}{2} } = \sqrt{4} = 2$