A.\({a^3} - {b^3} > \left( {a - b} \right)\left( {{a^2} + {b^2}} \right)\)
B.\(a\left( {{a^2} + 3{b^2}} \right) > b\left( {{b^2} + 3{a^2}} \right)\)
C.\({a^2}\left( {a - 3b} \right) > {b^2}\left( {b - 3a} \right)\)
D.\(\left( {{a^3} - {b^3}} \right)\left( {{b^3} - 3{a^2}b + 3a{b^2} - {a^3}} \right) > 0\)

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