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Show that the statement . p : 'If x is a real number such thatx^(3)+ 4x=0, then x=0' is true by Direct method

Answer»


ANSWER :DIRECT method : `x^(3)+4x=0=>x(x^(2) + 4)=0.` But `x^(2)+4,x in R ≠ 0,` THEREFORE, x=0.


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