Question

Rationalize the denominator
a) ⁵√7

Answer 1

Answer:

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

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

$\frac{5 \sqrt{7} }{7} \: is \: the \: answer$