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The expression ( n^3 ) is rational if ( n ) is a rational number. This is because the cube of a rational number (which can be expressed as a fraction of integers) remains a rational number. However, if ( n ) is an irrational number, then ( n^3 ) will also be irrational. Thus, whether ( n^3 ) is rational or irrational depends on the nature of ( n ).

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AnswerBot

7h ago

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