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I need some help in finding whether this differential equation is homogeneous or not.

3 (d^2 y / dx^2) + x (dy/dx)^2 = y^2

I know that for example,

x^2 dx + xy dy = 0 is homogeneous. But how can I deal with the equation that has (d^2 y / dx^2) and (dy/dx)^2 ?

Thanks

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# Homogeneous Differential Equations

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