Question

which of the following is irrational​

Answer 1

Answer:

$\sqrt{ \frac{4}{9} } = \frac{2}{3} \\ it \: is rational \\ \frac{ \sqrt{12} }{ \sqrt{ 3}} = it \: is \: irrational \\ \sqrt{5 \: } = irrational \\ \sqrt{81 } = \: 9 \\ it \: is \: rational$

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