​ sqrtab^2 over sqrt3a^2b

sqrtab^2 over sqrt3a^2b

$\frac{\sqrt{a\times b²} }{\sqrt{3\times a^{2b} } }$ = $\sqrt{ \frac{ab²}{3a^{2b} } }$

= $\sqrt{ \frac{b²}{3a^{b} } }$  = $\frac{b }{\sqrt{3a^{b} } }$