Question

how
$\frac{2}{ \sqrt{2} }$
became √2​

Answer 1

Answer:

$:\Longrightarrow \frac{2}{ \sqrt{2} }$

Rationalising the exoression by multiplying $\sqrt{2}$ in numerator and denominator.

$:\Longrightarrow\frac{2× \sqrt 2}{ \sqrt{2}× \sqrt{2} }$

$:\Longrightarrow\frac{2× \sqrt 2}{ 2}$

$:\Longrightarrow \sqrt 2$