Integrand size = 13, antiderivative size = 24 \[ \int f^{a+\frac {b}{x^3}} x^{14} \, dx=-\frac {1}{3} b^5 f^a \Gamma \left (-5,-\frac {b \log (f)}{x^3}\right ) \log ^5(f) \]
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Time = 0.02 (sec) , antiderivative size = 24, 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 = {2250} \[ \int f^{a+\frac {b}{x^3}} x^{14} \, dx=-\frac {1}{3} b^5 f^a \log ^5(f) \Gamma \left (-5,-\frac {b \log (f)}{x^3}\right ) \]
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Rule 2250
Rubi steps \begin{align*} \text {integral}& = -\frac {1}{3} b^5 f^a \Gamma \left (-5,-\frac {b \log (f)}{x^3}\right ) \log ^5(f) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int f^{a+\frac {b}{x^3}} x^{14} \, dx=-\frac {1}{3} b^5 f^a \Gamma \left (-5,-\frac {b \log (f)}{x^3}\right ) \log ^5(f) \]
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Leaf count of result is larger than twice the leaf count of optimal. \(248\) vs. \(2(18)=36\).
Time = 0.95 (sec) , antiderivative size = 249, normalized size of antiderivative = 10.38
method | result | size |
meijerg | \(\frac {f^{a} b^{5} \ln \left (f \right )^{5} \left (\frac {x^{15}}{5 b^{5} \ln \left (f \right )^{5}}+\frac {x^{12}}{4 b^{4} \ln \left (f \right )^{4}}+\frac {x^{9}}{6 b^{3} \ln \left (f \right )^{3}}+\frac {x^{6}}{12 b^{2} \ln \left (f \right )^{2}}+\frac {x^{3}}{24 b \ln \left (f \right )}+\frac {137}{7200}+\frac {\ln \left (x \right )}{40}-\frac {\ln \left (-b \right )}{120}-\frac {\ln \left (\ln \left (f \right )\right )}{120}-\frac {x^{15} \left (\frac {137 b^{5} \ln \left (f \right )^{5}}{x^{15}}+\frac {300 b^{4} \ln \left (f \right )^{4}}{x^{12}}+\frac {600 b^{3} \ln \left (f \right )^{3}}{x^{9}}+\frac {1200 b^{2} \ln \left (f \right )^{2}}{x^{6}}+\frac {1800 b \ln \left (f \right )}{x^{3}}+1440\right )}{7200 b^{5} \ln \left (f \right )^{5}}+\frac {x^{15} \left (\frac {6 b^{4} \ln \left (f \right )^{4}}{x^{12}}+\frac {6 b^{3} \ln \left (f \right )^{3}}{x^{9}}+\frac {12 b^{2} \ln \left (f \right )^{2}}{x^{6}}+\frac {36 b \ln \left (f \right )}{x^{3}}+144\right ) {\mathrm e}^{\frac {b \ln \left (f \right )}{x^{3}}}}{720 b^{5} \ln \left (f \right )^{5}}+\frac {\ln \left (-\frac {b \ln \left (f \right )}{x^{3}}\right )}{120}+\frac {\operatorname {Ei}_{1}\left (-\frac {b \ln \left (f \right )}{x^{3}}\right )}{120}\right )}{3}\) | \(249\) |
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Leaf count of result is larger than twice the leaf count of optimal. 84 vs. \(2 (18) = 36\).
Time = 0.29 (sec) , antiderivative size = 84, normalized size of antiderivative = 3.50 \[ \int f^{a+\frac {b}{x^3}} x^{14} \, dx=-\frac {1}{360} \, b^{5} f^{a} {\rm Ei}\left (\frac {b \log \left (f\right )}{x^{3}}\right ) \log \left (f\right )^{5} + \frac {1}{360} \, {\left (24 \, x^{15} + 6 \, b x^{12} \log \left (f\right ) + 2 \, b^{2} x^{9} \log \left (f\right )^{2} + b^{3} x^{6} \log \left (f\right )^{3} + b^{4} x^{3} \log \left (f\right )^{4}\right )} f^{\frac {a x^{3} + b}{x^{3}}} \]
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\[ \int f^{a+\frac {b}{x^3}} x^{14} \, dx=\int f^{a + \frac {b}{x^{3}}} x^{14}\, dx \]
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none
Time = 0.22 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.92 \[ \int f^{a+\frac {b}{x^3}} x^{14} \, dx=-\frac {1}{3} \, b^{5} f^{a} \Gamma \left (-5, -\frac {b \log \left (f\right )}{x^{3}}\right ) \log \left (f\right )^{5} \]
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\[ \int f^{a+\frac {b}{x^3}} x^{14} \, dx=\int { f^{a + \frac {b}{x^{3}}} x^{14} \,d x } \]
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Time = 0.39 (sec) , antiderivative size = 102, normalized size of antiderivative = 4.25 \[ \int f^{a+\frac {b}{x^3}} x^{14} \, dx=\frac {b^5\,f^a\,{\ln \left (f\right )}^5\,\mathrm {expint}\left (-\frac {b\,\ln \left (f\right )}{x^3}\right )}{360}+\frac {b^5\,f^a\,f^{\frac {b}{x^3}}\,{\ln \left (f\right )}^5\,\left (\frac {x^3}{120\,b\,\ln \left (f\right )}+\frac {x^6}{120\,b^2\,{\ln \left (f\right )}^2}+\frac {x^9}{60\,b^3\,{\ln \left (f\right )}^3}+\frac {x^{12}}{20\,b^4\,{\ln \left (f\right )}^4}+\frac {x^{15}}{5\,b^5\,{\ln \left (f\right )}^5}\right )}{3} \]
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