Khaoula38 Posted December 23, 2018 Share Posted December 23, 2018 Coucou cet item est noté vrai pourtant je vois pas comment on fait ? Si qqn a une idée merci d'avance! F(x, y, z) = (e^-y/2x) / z A_ Df/dx = y/ 2zx^2 * e-^ - y/ 2x Quote Link to comment Share on other sites More sharing options...
Solution Chat_du_Cheshire Posted December 23, 2018 Solution Share Posted December 23, 2018 cc donc il faut faire la dérivée de e^u * constante, avec u = -y/2x et constante = 1/z ! dac ? Quote Link to comment Share on other sites More sharing options...
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