\({\left( {\dfrac{5}{4}} \right)^m} > {\left( {\dfrac{6}{5}} \right)^m} > 1\)

\({\left( {\dfrac{5}{4}} \right)^m} < {\left( {\dfrac{6}{5}} \right)^m} < 1\)

\({\left( {\dfrac{5}{4}} \right)^m} < 1 < {\left( {\dfrac{6}{5}} \right)^m}\)            

\(1 < {\left( {\dfrac{5}{4}} \right)^m} < {\left( {\dfrac{6}{5}} \right)^m}\)