Integrand size = 13, antiderivative size = 78 \[ \int f^{a+b x^2} x^{11} \, dx=-\frac {f^{a+b x^2} \left (120-120 b x^2 \log (f)+60 b^2 x^4 \log ^2(f)-20 b^3 x^6 \log ^3(f)+5 b^4 x^8 \log ^4(f)-b^5 x^{10} \log ^5(f)\right )}{2 b^6 \log ^6(f)} \]
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Time = 0.03 (sec) , antiderivative size = 78, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {2249} \[ \int f^{a+b x^2} x^{11} \, dx=-\frac {f^{a+b x^2} \left (-b^5 x^{10} \log ^5(f)+5 b^4 x^8 \log ^4(f)-20 b^3 x^6 \log ^3(f)+60 b^2 x^4 \log ^2(f)-120 b x^2 \log (f)+120\right )}{2 b^6 \log ^6(f)} \]
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Rule 2249
Rubi steps \begin{align*} \text {integral}& = -\frac {f^{a+b x^2} \left (120-120 b x^2 \log (f)+60 b^2 x^4 \log ^2(f)-20 b^3 x^6 \log ^3(f)+5 b^4 x^8 \log ^4(f)-b^5 x^{10} \log ^5(f)\right )}{2 b^6 \log ^6(f)} \\ \end{align*}
Result contains higher order function than in optimal. Order 4 vs. order 3 in optimal.
Time = 0.03 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.31 \[ \int f^{a+b x^2} x^{11} \, dx=-\frac {f^a \Gamma \left (6,-b x^2 \log (f)\right )}{2 b^6 \log ^6(f)} \]
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Time = 0.13 (sec) , antiderivative size = 76, normalized size of antiderivative = 0.97
method | result | size |
gosper | \(\frac {\left (b^{5} x^{10} \ln \left (f \right )^{5}-5 b^{4} x^{8} \ln \left (f \right )^{4}+20 b^{3} x^{6} \ln \left (f \right )^{3}-60 b^{2} x^{4} \ln \left (f \right )^{2}+120 b \,x^{2} \ln \left (f \right )-120\right ) f^{b \,x^{2}+a}}{2 \ln \left (f \right )^{6} b^{6}}\) | \(76\) |
risch | \(\frac {\left (b^{5} x^{10} \ln \left (f \right )^{5}-5 b^{4} x^{8} \ln \left (f \right )^{4}+20 b^{3} x^{6} \ln \left (f \right )^{3}-60 b^{2} x^{4} \ln \left (f \right )^{2}+120 b \,x^{2} \ln \left (f \right )-120\right ) f^{b \,x^{2}+a}}{2 \ln \left (f \right )^{6} b^{6}}\) | \(76\) |
meijerg | \(\frac {f^{a} \left (120-\frac {\left (-6 b^{5} x^{10} \ln \left (f \right )^{5}+30 b^{4} x^{8} \ln \left (f \right )^{4}-120 b^{3} x^{6} \ln \left (f \right )^{3}+360 b^{2} x^{4} \ln \left (f \right )^{2}-720 b \,x^{2} \ln \left (f \right )+720\right ) {\mathrm e}^{b \,x^{2} \ln \left (f \right )}}{6}\right )}{2 b^{6} \ln \left (f \right )^{6}}\) | \(83\) |
parallelrisch | \(\frac {f^{b \,x^{2}+a} x^{10} \ln \left (f \right )^{5} b^{5}-5 f^{b \,x^{2}+a} x^{8} \ln \left (f \right )^{4} b^{4}+20 f^{b \,x^{2}+a} x^{6} \ln \left (f \right )^{3} b^{3}-60 f^{b \,x^{2}+a} x^{4} \ln \left (f \right )^{2} b^{2}+120 f^{b \,x^{2}+a} x^{2} \ln \left (f \right ) b -120 f^{b \,x^{2}+a}}{2 \ln \left (f \right )^{6} b^{6}}\) | \(122\) |
norman | \(-\frac {60 \,{\mathrm e}^{\left (b \,x^{2}+a \right ) \ln \left (f \right )}}{b^{6} \ln \left (f \right )^{6}}+\frac {60 x^{2} {\mathrm e}^{\left (b \,x^{2}+a \right ) \ln \left (f \right )}}{b^{5} \ln \left (f \right )^{5}}+\frac {x^{10} {\mathrm e}^{\left (b \,x^{2}+a \right ) \ln \left (f \right )}}{2 b \ln \left (f \right )}-\frac {30 x^{4} {\mathrm e}^{\left (b \,x^{2}+a \right ) \ln \left (f \right )}}{\ln \left (f \right )^{4} b^{4}}+\frac {10 x^{6} {\mathrm e}^{\left (b \,x^{2}+a \right ) \ln \left (f \right )}}{\ln \left (f \right )^{3} b^{3}}-\frac {5 x^{8} {\mathrm e}^{\left (b \,x^{2}+a \right ) \ln \left (f \right )}}{2 \ln \left (f \right )^{2} b^{2}}\) | \(137\) |
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Time = 0.26 (sec) , antiderivative size = 75, normalized size of antiderivative = 0.96 \[ \int f^{a+b x^2} x^{11} \, dx=\frac {{\left (b^{5} x^{10} \log \left (f\right )^{5} - 5 \, b^{4} x^{8} \log \left (f\right )^{4} + 20 \, b^{3} x^{6} \log \left (f\right )^{3} - 60 \, b^{2} x^{4} \log \left (f\right )^{2} + 120 \, b x^{2} \log \left (f\right ) - 120\right )} f^{b x^{2} + a}}{2 \, b^{6} \log \left (f\right )^{6}} \]
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Time = 0.07 (sec) , antiderivative size = 94, normalized size of antiderivative = 1.21 \[ \int f^{a+b x^2} x^{11} \, dx=\begin {cases} \frac {f^{a + b x^{2}} \left (b^{5} x^{10} \log {\left (f \right )}^{5} - 5 b^{4} x^{8} \log {\left (f \right )}^{4} + 20 b^{3} x^{6} \log {\left (f \right )}^{3} - 60 b^{2} x^{4} \log {\left (f \right )}^{2} + 120 b x^{2} \log {\left (f \right )} - 120\right )}{2 b^{6} \log {\left (f \right )}^{6}} & \text {for}\: b^{6} \log {\left (f \right )}^{6} \neq 0 \\\frac {x^{12}}{12} & \text {otherwise} \end {cases} \]
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Time = 0.18 (sec) , antiderivative size = 92, normalized size of antiderivative = 1.18 \[ \int f^{a+b x^2} x^{11} \, dx=\frac {{\left (b^{5} f^{a} x^{10} \log \left (f\right )^{5} - 5 \, b^{4} f^{a} x^{8} \log \left (f\right )^{4} + 20 \, b^{3} f^{a} x^{6} \log \left (f\right )^{3} - 60 \, b^{2} f^{a} x^{4} \log \left (f\right )^{2} + 120 \, b f^{a} x^{2} \log \left (f\right ) - 120 \, f^{a}\right )} f^{b x^{2}}}{2 \, b^{6} \log \left (f\right )^{6}} \]
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Time = 0.32 (sec) , antiderivative size = 79, normalized size of antiderivative = 1.01 \[ \int f^{a+b x^2} x^{11} \, dx=\frac {{\left (b^{5} x^{10} \log \left (f\right )^{5} - 5 \, b^{4} x^{8} \log \left (f\right )^{4} + 20 \, b^{3} x^{6} \log \left (f\right )^{3} - 60 \, b^{2} x^{4} \log \left (f\right )^{2} + 120 \, b x^{2} \log \left (f\right ) - 120\right )} e^{\left (b x^{2} \log \left (f\right ) + a \log \left (f\right )\right )}}{2 \, b^{6} \log \left (f\right )^{6}} \]
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Time = 0.25 (sec) , antiderivative size = 76, normalized size of antiderivative = 0.97 \[ \int f^{a+b x^2} x^{11} \, dx=-\frac {f^{b\,x^2+a}\,\left (-\frac {b^5\,x^{10}\,{\ln \left (f\right )}^5}{2}+\frac {5\,b^4\,x^8\,{\ln \left (f\right )}^4}{2}-10\,b^3\,x^6\,{\ln \left (f\right )}^3+30\,b^2\,x^4\,{\ln \left (f\right )}^2-60\,b\,x^2\,\ln \left (f\right )+60\right )}{b^6\,{\ln \left (f\right )}^6} \]
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