\[ \int f^{a+b x^n} x^2 \, dx \]
Optimal antiderivative \[ -\frac {f^{a} x^{3} \Gamma \left (\frac {3}{n}, -b \,x^{n} \ln \left (f \right )\right ) \left (-b \,x^{n} \ln \left (f \right )\right )^{-\frac {3}{n}}}{n} \]
command
int(f^(a+b*x^n)*x^2,x,method=_RETURNVERBOSE)
Maple 2022.1 output
| method | result | size |
| meijerg | \(\frac {f^{a} \left (-b \right )^{-\frac {3}{n}} \ln \left (f \right )^{-\frac {3}{n}} \left (\frac {n \,x^{3} \left (-b \right )^{\frac {3}{n}} \ln \left (f \right )^{\frac {3}{n}} \left (\ln \left (f \right ) x^{n} b n +n +3\right ) \Gamma \left (1-\frac {3}{n}\right ) \Gamma \left (\frac {3+n}{n}+1\right ) L_{-\frac {3}{n}}^{\left (\frac {3+n}{n}\right )}\left (b \,x^{n} \ln \left (f \right )\right )}{3 \left (3+n \right ) \Gamma \left (-\frac {3}{n}+\frac {3+n}{n}+1\right )}-\frac {n^{2} x^{3+n} \left (-b \right )^{\frac {3}{n}} \ln \left (f \right )^{1+\frac {3}{n}} b L_{-\frac {3}{n}}^{\left (\frac {3+n}{n}+1\right )}\left (b \,x^{n} \ln \left (f \right )\right ) \Gamma \left (1-\frac {3}{n}\right ) \Gamma \left (\frac {3+n}{n}+1\right )}{3 \left (3+n \right ) \Gamma \left (-\frac {3}{n}+\frac {3+n}{n}+1\right )}\right )}{n}\) | \(212\) |
Maple 2021.1 output
\[ \int x^{2} f^{b \,x^{n}+a}\, dx \]________________________________________________________________________________________