analysis – Mathematica integrals

Question:

How to choose a replacement that brings the integral of a given function to an integral of a rational function and decompose into simple fractions by the method of undefined coefficients using wolfram mathematica?

Answer:

you can try like this:

f[x_]=... - изначальная функция

F[x_] = FunctionInterpolation[f[x],{x, x0, x1}]

Integrate[F[x],x]
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