Question

Which Expression is Equal to 7/√5

Answer 1

Answer: $\frac{7\sqrt{5} }{5}$

Step-by-step explanation:

All you need do is to rationalize , that is :

$\frac{7}{\sqrt{5} }$ X $\frac{\sqrt{5} }{\sqrt{5} }$

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

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