Question

Rationalize the dinominator of 5/√7​

Answer 1

Answer:

5/root 7 = (5*root7)/(root7*root7)

= 5root7/ 7

Done !

Hope it helps

Regards

Answer 2

Answer:

$\frac{5}{ \sqrt{7} } = \frac{5}{ \sqrt{7} } \times \frac{ \sqrt{7} }{ \sqrt{7} } = \frac{ 5\sqrt{7} }{ { \sqrt{7} }^{2} } = \frac{5 \sqrt{7} }{7}$

hope it helps✌