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Question: Higher derivatives in a ODE

Hello,

I'm having problems to do somehting that I guess maple should be able to do. I am solving numerically a 2nd order equation. Then Dsolve gives me the function and its first derivative.

Is there not a way to plot 2nd and 3rd derivatives??
Of course I have thought of getting f'' as a funtion of f' and f through the differential equation, but in my case that involves a complicated analytical development, and I precisely want to verify that I didnt do any mistake on doing so. So what I want is make maple to calculate directle the f'' or f'''

Thanks in advance!

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