حاصل عبارت ${{\left( \frac{3}{4} \right)}^{-2}}\times {{\left( \frac{1}{3} \right)}^{3}}$ کدام است؟
$\frac{1}{3}\times {{\left( \frac{2}{3} \right)}^{4}}$
2 )
$\frac{1}{3}\times {{\left( \frac{2}{3} \right)}^{3}}$
3 )
${{\left( \frac{3}{2} \right)}^{4}}$
4 )
${{\left( \frac{3}{2} \right)}^{3}}$