(\frac{6}{7}) ^{-3} >(\frac{7}{6}) ^{-3}" alt="(\frac{6}{7}) ^{-3} = (\frac{7}{6})^{3} = \frac{343}{216} \\\\(\frac{7}{6}) ^{-3} = (\frac{6}{7})^{3} = \frac{216}{343} \\\\=> (\frac{6}{7}) ^{-3} >(\frac{7}{6}) ^{-3}" align="absmiddle" class="latex-formula">