# Some Examples of Ordinary Differential Equations with Missing *x* or *y*

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This Demonstration solves ordinary differential equations of the forms and by introducing a new variable .

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Contributed by: Izidor Hafner (May 2014)

Open content licensed under CC BY-NC-SA

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Reference

[1] L. E. Eljsgoljc, *Differential Equations and Variational Calculus* (in Russian), Moscow: Nauka, 1969 pp. 69–71.

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