\[ \int \frac {\sqrt [3]{-1+x^3-x^4} \left (-3+x^4\right )}{x^2 \left (1+x^4\right )} \, dx \]
Optimal antiderivative \[ \frac {3 \left (-x^{4}+x^{3}-1\right )^{\frac {1}{3}}}{x}+\sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, x}{x +2 \left (-x^{4}+x^{3}-1\right )^{\frac {1}{3}}}\right )+\ln \left (-x +\left (-x^{4}+x^{3}-1\right )^{\frac {1}{3}}\right )-\frac {\ln \left (x^{2}+x \left (-x^{4}+x^{3}-1\right )^{\frac {1}{3}}+\left (-x^{4}+x^{3}-1\right )^{\frac {2}{3}}\right )}{2} \]
command
Integrate[((-1 + x^3 - x^4)^(1/3)*(-3 + x^4))/(x^2*(1 + x^4)),x]
Mathematica 13.1 output
\[ \frac {3 \sqrt [3]{-1+x^3-x^4}}{x}+\sqrt {3} \text {ArcTan}\left (\frac {\sqrt {3} x}{x+2 \sqrt [3]{-1+x^3-x^4}}\right )+\log \left (-x+\sqrt [3]{-1+x^3-x^4}\right )-\frac {1}{2} \log \left (x^2+x \sqrt [3]{-1+x^3-x^4}+\left (-1+x^3-x^4\right )^{2/3}\right ) \]
Mathematica 12.3 output
\[ \int \frac {\sqrt [3]{-1+x^3-x^4} \left (-3+x^4\right )}{x^2 \left (1+x^4\right )} \, dx \]________________________________________________________________________________________