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## Summary:

- I have a fairly simple non-homogeneous second order ODE to solve but I can't seem to get started with it.

## Main Question or Discussion Point

I need to solve

∂

Where s is a radial coordinate and C is a constant.

I know this is fairly simple but I haven't had to solve a problem like this in a long time. Can someone advise me on how to begin working towards a general solution?

Is the method of undetermined coefficients the correct approach?

Thanks very much.

∂

^{2}Φ/∂s^{2}+ (1/s)*∂Φ/ds - C = 0Where s is a radial coordinate and C is a constant.

I know this is fairly simple but I haven't had to solve a problem like this in a long time. Can someone advise me on how to begin working towards a general solution?

Is the method of undetermined coefficients the correct approach?

Thanks very much.