Integrand size = 13, antiderivative size = 65 \[ \int f^{a+b x^3} x^{14} \, dx=\frac {f^{a+b x^3} \left (24-24 b x^3 \log (f)+12 b^2 x^6 \log ^2(f)-4 b^3 x^9 \log ^3(f)+b^4 x^{12} \log ^4(f)\right )}{3 b^5 \log ^5(f)} \]
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Time = 0.02 (sec) , antiderivative size = 65, 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} \[ \int f^{a+b x^3} x^{14} \, dx=\frac {f^{a+b x^3} \left (b^4 x^{12} \log ^4(f)-4 b^3 x^9 \log ^3(f)+12 b^2 x^6 \log ^2(f)-24 b x^3 \log (f)+24\right )}{3 b^5 \log ^5(f)} \]
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Rule 2249
Rubi steps \begin{align*} \text {integral}& = \frac {f^{a+b x^3} \left (24-24 b x^3 \log (f)+12 b^2 x^6 \log ^2(f)-4 b^3 x^9 \log ^3(f)+b^4 x^{12} \log ^4(f)\right )}{3 b^5 \log ^5(f)} \\ \end{align*}
Result contains higher order function than in optimal. Order 4 vs. order 3 in optimal.
Time = 0.04 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.37 \[ \int f^{a+b x^3} x^{14} \, dx=\frac {f^a \Gamma \left (5,-b x^3 \log (f)\right )}{3 b^5 \log ^5(f)} \]
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Time = 0.25 (sec) , antiderivative size = 64, normalized size of antiderivative = 0.98
method | result | size |
gosper | \(\frac {f^{b \,x^{3}+a} \left (24-24 b \,x^{3} \ln \left (f \right )+12 b^{2} x^{6} \ln \left (f \right )^{2}-4 b^{3} x^{9} \ln \left (f \right )^{3}+b^{4} x^{12} \ln \left (f \right )^{4}\right )}{3 b^{5} \ln \left (f \right )^{5}}\) | \(64\) |
risch | \(\frac {f^{b \,x^{3}+a} \left (24-24 b \,x^{3} \ln \left (f \right )+12 b^{2} x^{6} \ln \left (f \right )^{2}-4 b^{3} x^{9} \ln \left (f \right )^{3}+b^{4} x^{12} \ln \left (f \right )^{4}\right )}{3 b^{5} \ln \left (f \right )^{5}}\) | \(64\) |
meijerg | \(-\frac {f^{a} \left (24-\frac {\left (5 b^{4} x^{12} \ln \left (f \right )^{4}-20 b^{3} x^{9} \ln \left (f \right )^{3}+60 b^{2} x^{6} \ln \left (f \right )^{2}-120 b \,x^{3} \ln \left (f \right )+120\right ) {\mathrm e}^{b \,x^{3} \ln \left (f \right )}}{5}\right )}{3 b^{5} \ln \left (f \right )^{5}}\) | \(71\) |
parallelrisch | \(\frac {f^{b \,x^{3}+a} x^{12} b^{4} \ln \left (f \right )^{4}-4 f^{b \,x^{3}+a} x^{9} b^{3} \ln \left (f \right )^{3}+12 f^{b \,x^{3}+a} x^{6} b^{2} \ln \left (f \right )^{2}-24 f^{b \,x^{3}+a} x^{3} b \ln \left (f \right )+24 f^{b \,x^{3}+a}}{3 \ln \left (f \right )^{5} b^{5}}\) | \(101\) |
norman | \(\frac {8 \,{\mathrm e}^{\left (b \,x^{3}+a \right ) \ln \left (f \right )}}{b^{5} \ln \left (f \right )^{5}}+\frac {x^{12} {\mathrm e}^{\left (b \,x^{3}+a \right ) \ln \left (f \right )}}{3 b \ln \left (f \right )}-\frac {8 x^{3} {\mathrm e}^{\left (b \,x^{3}+a \right ) \ln \left (f \right )}}{\ln \left (f \right )^{4} b^{4}}+\frac {4 x^{6} {\mathrm e}^{\left (b \,x^{3}+a \right ) \ln \left (f \right )}}{\ln \left (f \right )^{3} b^{3}}-\frac {4 x^{9} {\mathrm e}^{\left (b \,x^{3}+a \right ) \ln \left (f \right )}}{3 \ln \left (f \right )^{2} b^{2}}\) | \(114\) |
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Time = 0.28 (sec) , antiderivative size = 63, normalized size of antiderivative = 0.97 \[ \int f^{a+b x^3} x^{14} \, dx=\frac {{\left (b^{4} x^{12} \log \left (f\right )^{4} - 4 \, b^{3} x^{9} \log \left (f\right )^{3} + 12 \, b^{2} x^{6} \log \left (f\right )^{2} - 24 \, b x^{3} \log \left (f\right ) + 24\right )} f^{b x^{3} + a}}{3 \, b^{5} \log \left (f\right )^{5}} \]
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Time = 0.08 (sec) , antiderivative size = 80, normalized size of antiderivative = 1.23 \[ \int f^{a+b x^3} x^{14} \, dx=\begin {cases} \frac {f^{a + b x^{3}} \left (b^{4} x^{12} \log {\left (f \right )}^{4} - 4 b^{3} x^{9} \log {\left (f \right )}^{3} + 12 b^{2} x^{6} \log {\left (f \right )}^{2} - 24 b x^{3} \log {\left (f \right )} + 24\right )}{3 b^{5} \log {\left (f \right )}^{5}} & \text {for}\: b^{5} \log {\left (f \right )}^{5} \neq 0 \\\frac {x^{15}}{15} & \text {otherwise} \end {cases} \]
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Time = 0.18 (sec) , antiderivative size = 77, normalized size of antiderivative = 1.18 \[ \int f^{a+b x^3} x^{14} \, dx=\frac {{\left (b^{4} f^{a} x^{12} \log \left (f\right )^{4} - 4 \, b^{3} f^{a} x^{9} \log \left (f\right )^{3} + 12 \, b^{2} f^{a} x^{6} \log \left (f\right )^{2} - 24 \, b f^{a} x^{3} \log \left (f\right ) + 24 \, f^{a}\right )} f^{b x^{3}}}{3 \, b^{5} \log \left (f\right )^{5}} \]
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Time = 0.31 (sec) , antiderivative size = 105, normalized size of antiderivative = 1.62 \[ \int f^{a+b x^3} x^{14} \, dx=\frac {b^{4} f^{b x^{3}} f^{a} x^{12} \log \left (f\right )^{4} - 4 \, b^{3} f^{b x^{3}} f^{a} x^{9} \log \left (f\right )^{3} + 12 \, b^{2} f^{b x^{3}} f^{a} x^{6} \log \left (f\right )^{2} - 24 \, b f^{b x^{3}} f^{a} x^{3} \log \left (f\right ) + 24 \, f^{b x^{3}} f^{a}}{3 \, b^{5} \log \left (f\right )^{5}} \]
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Time = 0.20 (sec) , antiderivative size = 63, normalized size of antiderivative = 0.97 \[ \int f^{a+b x^3} x^{14} \, dx=\frac {f^{b\,x^3+a}\,\left (\frac {b^4\,x^{12}\,{\ln \left (f\right )}^4}{3}-\frac {4\,b^3\,x^9\,{\ln \left (f\right )}^3}{3}+4\,b^2\,x^6\,{\ln \left (f\right )}^2-8\,b\,x^3\,\ln \left (f\right )+8\right )}{b^5\,{\ln \left (f\right )}^5} \]
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