Question

Efetue a divisão do radical  10√8 : 2√2

a)6√3

b)3

c)5√4

d)5√3

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Answer 1

$10 \sqrt{8} \div 2 \sqrt{2} = \\ (10 \div 2) \times ( \sqrt{8} \div \sqrt{2}) = \\ 5 \sqrt{4} \: \: \: \: \: \:$

Alternativa "C"