Optimal. Leaf size=82 \[ \frac{f^{a+\frac{b}{x^2}} \left (60 b^2 x^6 \log ^2(f)-20 b^3 x^4 \log ^3(f)+5 b^4 x^2 \log ^4(f)-b^5 \log ^5(f)-120 b x^8 \log (f)+120 x^{10}\right )}{2 b^6 x^{10} \log ^6(f)} \]
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Rubi [C] time = 0.0240109, antiderivative size = 24, normalized size of antiderivative = 0.29, 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 = {2218} \[ \frac{f^a \text{Gamma}\left (6,-\frac{b \log (f)}{x^2}\right )}{2 b^6 \log ^6(f)} \]
Antiderivative was successfully verified.
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Rule 2218
Rubi steps
\begin{align*} \int \frac{f^{a+\frac{b}{x^2}}}{x^{13}} \, dx &=\frac{f^a \Gamma \left (6,-\frac{b \log (f)}{x^2}\right )}{2 b^6 \log ^6(f)}\\ \end{align*}
Mathematica [C] time = 0.0027983, size = 24, normalized size = 0.29 \[ \frac{f^a \text{Gamma}\left (6,-\frac{b \log (f)}{x^2}\right )}{2 b^6 \log ^6(f)} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.023, size = 144, normalized size = 1.8 \begin{align*}{\frac{1}{{x}^{12}} \left ( 60\,{\frac{{x}^{12}}{{b}^{6} \left ( \ln \left ( f \right ) \right ) ^{6}}{{\rm e}^{ \left ( a+{\frac{b}{{x}^{2}}} \right ) \ln \left ( f \right ) }}}-60\,{\frac{{x}^{10}}{{b}^{5} \left ( \ln \left ( f \right ) \right ) ^{5}}{{\rm e}^{ \left ( a+{\frac{b}{{x}^{2}}} \right ) \ln \left ( f \right ) }}}+30\,{\frac{{x}^{8}}{{b}^{4} \left ( \ln \left ( f \right ) \right ) ^{4}}{{\rm e}^{ \left ( a+{\frac{b}{{x}^{2}}} \right ) \ln \left ( f \right ) }}}-10\,{\frac{{x}^{6}}{ \left ( \ln \left ( f \right ) \right ) ^{3}{b}^{3}}{{\rm e}^{ \left ( a+{\frac{b}{{x}^{2}}} \right ) \ln \left ( f \right ) }}}+{\frac{5\,{x}^{4}}{2\, \left ( \ln \left ( f \right ) \right ) ^{2}{b}^{2}}{{\rm e}^{ \left ( a+{\frac{b}{{x}^{2}}} \right ) \ln \left ( f \right ) }}}-{\frac{{x}^{2}}{2\,b\ln \left ( f \right ) }{{\rm e}^{ \left ( a+{\frac{b}{{x}^{2}}} \right ) \ln \left ( f \right ) }}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [C] time = 1.18374, size = 30, normalized size = 0.37 \begin{align*} \frac{f^{a} \Gamma \left (6, -\frac{b \log \left (f\right )}{x^{2}}\right )}{2 \, b^{6} \log \left (f\right )^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.75167, size = 209, normalized size = 2.55 \begin{align*} \frac{{\left (120 \, x^{10} - 120 \, b x^{8} \log \left (f\right ) + 60 \, b^{2} x^{6} \log \left (f\right )^{2} - 20 \, b^{3} x^{4} \log \left (f\right )^{3} + 5 \, b^{4} x^{2} \log \left (f\right )^{4} - b^{5} \log \left (f\right )^{5}\right )} f^{\frac{a x^{2} + b}{x^{2}}}}{2 \, b^{6} x^{10} \log \left (f\right )^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.168652, size = 85, normalized size = 1.04 \begin{align*} \frac{f^{a + \frac{b}{x^{2}}} \left (- b^{5} \log{\left (f \right )}^{5} + 5 b^{4} x^{2} \log{\left (f \right )}^{4} - 20 b^{3} x^{4} \log{\left (f \right )}^{3} + 60 b^{2} x^{6} \log{\left (f \right )}^{2} - 120 b x^{8} \log{\left (f \right )} + 120 x^{10}\right )}{2 b^{6} x^{10} \log{\left (f \right )}^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{f^{a + \frac{b}{x^{2}}}}{x^{13}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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