Mathématiques

Question

[tex]x-1/x+2>x+1/x-2[/tex]

1 Réponse

  • (x-1/x+2)>(x+1/x-2)

    (x-1/x+2)-(x+1/x-2)>0

    (x-1)(x-2)/(x+2)(x-2)- (x+1)(x+2)/(x-2)(x+2)

    x²-3x+2-x²-3x-2/(x-2)(x+2)

    -6x/(x-2)(x+2)

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