Question

Rationalize the denominator :
$\frac{1}{ \sqrt{5} }$
​

Answer 1

$↬\frac{1}{ \sqrt{5} } \times \frac{ \sqrt{5} }{ \sqrt{5} } \\ ↬ \frac{ \sqrt{5} }{ {( \sqrt{5} })^{2} } \\ ↬ \frac{ \sqrt{5} }{5}$

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Answer 2

Answer:

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