Éléments de calcul infinitésimal, par m. Duhamel.

248 LI VRE IV. CHAPITRE XII. INTtGRATION PAR S1IRIES. 171. Nous avons deja vu comment on pouvait, au moyen des theoremes de Taylor et de Maclaurin, developper en serie I'integrale d'une equation difftrentielle d'un ordre quelconque. On y parvient encore au moyen des coefficients indetermines. Nous allons donner quelques exemples de l'une et de l'autre methode. Considerons d'abord l'equation d2yr dy (I).x- 2 2 d -- nxy- o; on trouve, en la differentiant, d3yt d 2 dy dm+l y. d"m- m —l. d-2 y x --- -(m+ I)- + x -- — + (y- )7- -O dx3 dx2 / dxy ^ v 1 dxm-2 day d3y n 3 d2Y n2 dx C"" dx' dx' - ox = o, -- - ny d - - o — d et, en gdenral, si m est impair dE"1 'd-o;

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Title
Éléments de calcul infinitésimal, par m. Duhamel.
Author
Duhamel, M. (Jean Marie Constant), 1797-1872.
Canvas
Page 242
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 May 1, 2025.
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