Question

plz answer fast I need urgently plz ​

Answer 1

$\frac{3}{ \sqrt{5} } \times \frac{ \sqrt{5} }{ \sqrt{5} }$

$\frac{3 \sqrt{5} }{ {( \sqrt{5}) }^{2} }$

$\frac{3 \sqrt{5} }{5}$