Question

O valor de √2 / √72 é:

a)( ) 6

b)( ) 1/6

c)( ) 1/3

d)( ) 1/36

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Answer 1

$= \frac{ \sqrt{2} }{ \sqrt{72} } \\ \\ = \sqrt{ \frac{2}{72} } \\ \\ = \sqrt{ \frac{1}{36} } \\ \\ = \frac{1}{ \sqrt{36} } \\ \\ = \frac{1}{6}$