Question

Is√98/√2 a rational number or not?

Answer 1

$\frac{ \sqrt{98} }{ \sqrt{2} } \\ = \frac{7 \sqrt{2} }{ \sqrt{2} } \\ = \frac{7}{1} \\ clearly \: it \: is \: a \: rational \: number$

Answer 2

yes clearly it is a rational number