Optimal. Leaf size=41 \[ -\frac{a+b \tan ^{-1}\left (c x^3\right )}{6 x^6}-\frac{1}{6} b c^2 \tan ^{-1}\left (c x^3\right )-\frac{b c}{6 x^3} \]
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Rubi [A] time = 0.0266583, antiderivative size = 41, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.286, Rules used = {5033, 275, 325, 203} \[ -\frac{a+b \tan ^{-1}\left (c x^3\right )}{6 x^6}-\frac{1}{6} b c^2 \tan ^{-1}\left (c x^3\right )-\frac{b c}{6 x^3} \]
Antiderivative was successfully verified.
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Rule 5033
Rule 275
Rule 325
Rule 203
Rubi steps
\begin{align*} \int \frac{a+b \tan ^{-1}\left (c x^3\right )}{x^7} \, dx &=-\frac{a+b \tan ^{-1}\left (c x^3\right )}{6 x^6}+\frac{1}{2} (b c) \int \frac{1}{x^4 \left (1+c^2 x^6\right )} \, dx\\ &=-\frac{a+b \tan ^{-1}\left (c x^3\right )}{6 x^6}+\frac{1}{6} (b c) \operatorname{Subst}\left (\int \frac{1}{x^2 \left (1+c^2 x^2\right )} \, dx,x,x^3\right )\\ &=-\frac{b c}{6 x^3}-\frac{a+b \tan ^{-1}\left (c x^3\right )}{6 x^6}-\frac{1}{6} \left (b c^3\right ) \operatorname{Subst}\left (\int \frac{1}{1+c^2 x^2} \, dx,x,x^3\right )\\ &=-\frac{b c}{6 x^3}-\frac{1}{6} b c^2 \tan ^{-1}\left (c x^3\right )-\frac{a+b \tan ^{-1}\left (c x^3\right )}{6 x^6}\\ \end{align*}
Mathematica [C] time = 0.0063388, size = 48, normalized size = 1.17 \[ -\frac{b c \text{Hypergeometric2F1}\left (-\frac{1}{2},1,\frac{1}{2},-c^2 x^6\right )}{6 x^3}-\frac{a}{6 x^6}-\frac{b \tan ^{-1}\left (c x^3\right )}{6 x^6} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.028, size = 39, normalized size = 1. \begin{align*} -{\frac{a}{6\,{x}^{6}}}-{\frac{b\arctan \left ( c{x}^{3} \right ) }{6\,{x}^{6}}}-{\frac{b{c}^{2}\arctan \left ( c{x}^{3} \right ) }{6}}-{\frac{bc}{6\,{x}^{3}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.50501, size = 47, normalized size = 1.15 \begin{align*} -\frac{1}{6} \,{\left ({\left (c \arctan \left (c x^{3}\right ) + \frac{1}{x^{3}}\right )} c + \frac{\arctan \left (c x^{3}\right )}{x^{6}}\right )} b - \frac{a}{6 \, x^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 3.13239, size = 76, normalized size = 1.85 \begin{align*} -\frac{b c x^{3} +{\left (b c^{2} x^{6} + b\right )} \arctan \left (c x^{3}\right ) + a}{6 \, x^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 153.635, size = 42, normalized size = 1.02 \begin{align*} - \frac{a}{6 x^{6}} - \frac{b c^{2} \operatorname{atan}{\left (c x^{3} \right )}}{6} - \frac{b c}{6 x^{3}} - \frac{b \operatorname{atan}{\left (c x^{3} \right )}}{6 x^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.16607, size = 100, normalized size = 2.44 \begin{align*} \frac{b c^{5} i x^{6} \log \left (c i x^{3} + 1\right ) - b c^{5} i x^{6} \log \left (-c i x^{3} + 1\right ) - 2 \, b c^{4} x^{3} - 2 \, b c^{3} \arctan \left (c x^{3}\right ) - 2 \, a c^{3}}{12 \, c^{3} x^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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