Question

Rationalize the denominator 2/5√4

Answer 1

Answer:

$\frac{2}{5 \sqrt{4} } \\ = \frac{2}{5 \times 2} \\ = \frac{1}{5}$

on calculation we get that there is no irrational number in the denominator , so it doesn't need to be rationalised..

$..$

Answer 2

Answer:

$\implies \dfrac{2}{5 \sqrt{4} } \\ \\ \\ \implies \frac{2}{5 \times 2} \\ \\ \\ \implies \frac{2}{10}\\\\\\\implies\frac{1}{5}$