Question

Сократите алгебраическое выражение?​

Answer 1

$(\frac{m^{-7} }{3n^{-4} } )^{-2} *7m^{6}n^{2} = (\frac{\frac{1}{m^{7}} }{\frac{3}{n^{4}} } )^{-2} *7m^{6}n^{2} = (\frac{n^{4} }{3m^{7} } )^{-2} *7m^{6}n^{2} = \frac{1}{\frac{n^{8} }{9m^{14} }} *7m^{6}n^{2} = \frac{9m^{14} }{n^{8} } *7m^{6}n^{2} = \frac{63m^{20}}{n^{6} }$