Question

rationalize : 3root2 by root5​

Answer 1

$3\frac{\sqrt{2}}{\sqrt{5}}$

$3\frac{\sqrt{2}}{\sqrt{5}} \times \frac{\sqrt{5}}{\sqrt{5}}$

${3\sqrt{10}}{5}$

Answer 2

$3 \frac{ \sqrt{2} }{ \sqrt{5} } = 3\frac{ \sqrt{2} }{ \sqrt{5} } \times \frac{ \sqrt{5} }{ \sqrt{5} }$

$= 3 \times \frac{ \sqrt{10 } }{5}$