\sqrt{45} \\ 8 \sqrt{ \frac{3}{4} } > \frac{1}{3} \sqrt{405} " alt="8 \times \sqrt{ \frac{3}{4} } = \sqrt{64 \times \frac{3}{4} } = \sqrt{48} \\ \frac{1}{3} \sqrt{405} = \sqrt{ \frac{1}{9} \times 405 } = \sqrt{45} \\ \sqrt{48} > \sqrt{45} \\ 8 \sqrt{ \frac{3}{4} } > \frac{1}{3} \sqrt{405} " align="absmiddle" class="latex-formula">