Mathematics, 05.02.2021 01:00, jjaerere6609

Bonjour, svp aidez A(x)=x^2 + (2000/x)
justifier que A est dérivable sur ]0;+infini[, calculer A'(x).

je sais qu'on doit trouver x^3-1000 mais moi je trouve 2x-2000

MERCI D'AVANCE!

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Bonjour, svp aidez A(x)=x^2 + (2000/x)
justifier que A est dérivable sur ]0;+infini[, calcule...