Pregunta: 13. ∫x3+x4x2+2x−1dx

$\int \frac{4{\mathrm{x}}^2+2\mathrm{x}-1}{{\mathrm{x}}^3+\mathrm{x}}\mathrm{d}\mathrm{x}$

Write the fraction using partial fraction decomposition.

Decompose the fraction and multiply through ...