Éléments de calcul infinitésimal, par m. Duhamel.

INT1}GIRATION DES EQUATIONS DIFFEBENTIELLES. 1 85 dU - _U = P les deux premiers termes deviennent d.vQ d.vP P -Q -, dCz cz ou, en developpant, a ( dQ 3 dx; ct la derniere partie R P y Q TX se r duit Rv (dQ - P: la condition precedente devient done en supprimant le facteur commun v, (dQ dR\ dR dP dP dQ _ \dz dr ) \ dv dz -t dy drx equation qui ne differe pas de l'equation (4). Donc cette equation, dej"a demontree necessaire,- est en meme temps suffisante pour que la question proposee admette une solution. On procederait d'une maniere semblable dans le cas of le nombre des variables serait plus grand.

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Title
Éléments de calcul infinitésimal, par m. Duhamel.
Author
Duhamel, M. (Jean Marie Constant), 1797-1872.
Canvas
Page 182
Publication
Paris,: Gauthier-Villars,
1874-76.
Subject terms
Calculus

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"Éléments de calcul infinitésimal, par m. Duhamel." In the digital collection University of Michigan Historical Math Collection. https://name.umdl.umich.edu/acq9129.0002.001. University of Michigan Library Digital Collections. Accessed April 30, 2025.
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