Optimal. Leaf size=24 \[ -\frac {1}{3} b^4 f^a \Gamma \left (-4,-b x^3 \log (f)\right ) \log ^4(f) \]
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Rubi [A]
time = 0.01, antiderivative size = 24, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {2250}
\begin {gather*} -\frac {1}{3} b^4 f^a \log ^4(f) \text {Gamma}\left (-4,-b x^3 \log (f)\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 2250
Rubi steps
\begin {align*} \int \frac {f^{a+b x^3}}{x^{13}} \, dx &=-\frac {1}{3} b^4 f^a \Gamma \left (-4,-b x^3 \log (f)\right ) \log ^4(f)\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 24, normalized size = 1.00 \begin {gather*} -\frac {1}{3} b^4 f^a \Gamma \left (-4,-b x^3 \log (f)\right ) \log ^4(f) \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(212\) vs.
\(2(18)=36\).
time = 0.04, size = 213, normalized size = 8.88
method | result | size |
meijerg | \(\frac {f^{a} b^{4} \ln \left (f \right )^{4} \left (\frac {125 b^{4} x^{12} \ln \left (f \right )^{4}+240 b^{3} x^{9} \ln \left (f \right )^{3}+360 b^{2} x^{6} \ln \left (f \right )^{2}+480 b \,x^{3} \ln \left (f \right )+360}{1440 b^{4} x^{12} \ln \left (f \right )^{4}}-\frac {\left (5 b^{3} x^{9} \ln \left (f \right )^{3}+5 b^{2} x^{6} \ln \left (f \right )^{2}+10 b \,x^{3} \ln \left (f \right )+30\right ) {\mathrm e}^{b \,x^{3} \ln \left (f \right )}}{120 b^{4} x^{12} \ln \left (f \right )^{4}}-\frac {\ln \left (-b \,x^{3} \ln \left (f \right )\right )}{24}-\frac {\expIntegral \left (1, -b \,x^{3} \ln \left (f \right )\right )}{24}-\frac {25}{288}+\frac {\ln \left (x \right )}{8}+\frac {\ln \left (-b \right )}{24}+\frac {\ln \left (\ln \left (f \right )\right )}{24}-\frac {1}{4 b^{4} x^{12} \ln \left (f \right )^{4}}-\frac {1}{3 b^{3} x^{9} \ln \left (f \right )^{3}}-\frac {1}{4 b^{2} x^{6} \ln \left (f \right )^{2}}-\frac {1}{6 x^{3} \ln \left (f \right ) b}\right )}{3}\) | \(213\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.06, size = 22, normalized size = 0.92 \begin {gather*} -\frac {1}{3} \, b^{4} f^{a} \Gamma \left (-4, -b x^{3} \log \left (f\right )\right ) \log \left (f\right )^{4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 71 vs.
\(2 (18) = 36\).
time = 0.10, size = 71, normalized size = 2.96 \begin {gather*} \frac {b^{4} f^{a} x^{12} {\rm Ei}\left (b x^{3} \log \left (f\right )\right ) \log \left (f\right )^{4} - {\left (b^{3} x^{9} \log \left (f\right )^{3} + b^{2} x^{6} \log \left (f\right )^{2} + 2 \, b x^{3} \log \left (f\right ) + 6\right )} f^{b x^{3} + a}}{72 \, x^{12}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {f^{a + b x^{3}}}{x^{13}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.58, size = 90, normalized size = 3.75 \begin {gather*} -\frac {b^4\,f^a\,{\ln \left (f\right )}^4\,\mathrm {expint}\left (-b\,x^3\,\ln \left (f\right )\right )}{72}-\frac {b^4\,f^a\,f^{b\,x^3}\,{\ln \left (f\right )}^4\,\left (\frac {1}{24\,b\,x^3\,\ln \left (f\right )}+\frac {1}{24\,b^2\,x^6\,{\ln \left (f\right )}^2}+\frac {1}{12\,b^3\,x^9\,{\ln \left (f\right )}^3}+\frac {1}{4\,b^4\,x^{12}\,{\ln \left (f\right )}^4}\right )}{3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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