Question

rationlise the dinominator of 1 by root7


​

Answer 1

Hey fam!

$\frac{1}{ \sqrt{7} }$

=>$\frac{1 \times \sqrt{7} }{ \sqrt{7} \times \sqrt{7} }$

=> $\frac{ \sqrt{7} }{7}$

Cheers!

Answer 2

$\small \bf \pink{hey \: mate \: here \: is \: ur \: ans} \\ \\ \small \bf \pink{ \frac{1}{ \sqrt{7} } } \\ \\ \small \bf \pink{ \frac{1 \times \sqrt{7} }{ \sqrt{7} \times \sqrt{7} } } \\ \\ \small \bf \pink{ \frac{ \sqrt{7} }{7} \: \: ans}$