\[ \int \frac {\sqrt [3]{1+2 x+x^2}}{4+x+x^2+x^3} \, dx \]
Optimal antiderivative \[ \operatorname {Unintegrable} \]
command
Int[(1 + 2*x + x^2)^(1/3)/(4 + x + x^2 + x^3),x]
Rubi 4.17.3 under Mathematica 13.3.1 output
\[ \text {output too large to display} \]
Rubi 4.16.1 under Mathematica 13.3.1 output \[ \int \frac {\sqrt [3]{1+2 x+x^2}}{4+x+x^2+x^3} \, dx \]__________________________________________