Optimal. Leaf size=88 \[ -\frac {b c \left (a+b \tanh ^{-1}\left (c x^3\right )\right )}{3 x^3}+\frac {1}{6} c^2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2-\frac {\left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2}{6 x^6}+b^2 c^2 \log (x)-\frac {1}{6} b^2 c^2 \log \left (1-c^2 x^6\right ) \]
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Rubi [A]
time = 0.12, antiderivative size = 88, normalized size of antiderivative = 1.00, number of steps
used = 9, number of rules used = 8, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {6039, 6037,
6129, 272, 36, 29, 31, 6095} \begin {gather*} \frac {1}{6} c^2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2-\frac {b c \left (a+b \tanh ^{-1}\left (c x^3\right )\right )}{3 x^3}-\frac {\left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2}{6 x^6}-\frac {1}{6} b^2 c^2 \log \left (1-c^2 x^6\right )+b^2 c^2 \log (x) \end {gather*}
Antiderivative was successfully verified.
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Rule 29
Rule 31
Rule 36
Rule 272
Rule 6037
Rule 6039
Rule 6095
Rule 6129
Rubi steps
\begin {align*} \int \frac {\left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2}{x^7} \, dx &=\int \left (\frac {\left (2 a-b \log \left (1-c x^3\right )\right )^2}{4 x^7}-\frac {b \left (-2 a+b \log \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )}{2 x^7}+\frac {b^2 \log ^2\left (1+c x^3\right )}{4 x^7}\right ) \, dx\\ &=\frac {1}{4} \int \frac {\left (2 a-b \log \left (1-c x^3\right )\right )^2}{x^7} \, dx-\frac {1}{2} b \int \frac {\left (-2 a+b \log \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )}{x^7} \, dx+\frac {1}{4} b^2 \int \frac {\log ^2\left (1+c x^3\right )}{x^7} \, dx\\ &=\frac {1}{12} \text {Subst}\left (\int \frac {(2 a-b \log (1-c x))^2}{x^3} \, dx,x,x^3\right )-\frac {1}{6} b \text {Subst}\left (\int \frac {(-2 a+b \log (1-c x)) \log (1+c x)}{x^3} \, dx,x,x^3\right )+\frac {1}{12} b^2 \text {Subst}\left (\int \frac {\log ^2(1+c x)}{x^3} \, dx,x,x^3\right )\\ &=-\frac {\left (2 a-b \log \left (1-c x^3\right )\right )^2}{24 x^6}-\frac {b \left (2 a-b \log \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )}{12 x^6}-\frac {b^2 \log ^2\left (1+c x^3\right )}{24 x^6}+\frac {1}{12} (b c) \text {Subst}\left (\int \frac {2 a-b \log (1-c x)}{x^2 (1-c x)} \, dx,x,x^3\right )-\frac {1}{12} (b c) \text {Subst}\left (\int \frac {-2 a+b \log (1-c x)}{x^2 (1+c x)} \, dx,x,x^3\right )+\frac {1}{12} \left (b^2 c\right ) \text {Subst}\left (\int \frac {\log (1+c x)}{x^2 (1-c x)} \, dx,x,x^3\right )+\frac {1}{12} \left (b^2 c\right ) \text {Subst}\left (\int \frac {\log (1+c x)}{x^2 (1+c x)} \, dx,x,x^3\right )\\ &=-\frac {\left (2 a-b \log \left (1-c x^3\right )\right )^2}{24 x^6}-\frac {b \left (2 a-b \log \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )}{12 x^6}-\frac {b^2 \log ^2\left (1+c x^3\right )}{24 x^6}-\frac {1}{12} b \text {Subst}\left (\int \frac {2 a-b \log (x)}{x \left (\frac {1}{c}-\frac {x}{c}\right )^2} \, dx,x,1-c x^3\right )-\frac {1}{12} (b c) \text {Subst}\left (\int \left (\frac {-2 a+b \log (1-c x)}{x^2}-\frac {c (-2 a+b \log (1-c x))}{x}+\frac {c^2 (-2 a+b \log (1-c x))}{1+c x}\right ) \, dx,x,x^3\right )+\frac {1}{12} \left (b^2 c\right ) \text {Subst}\left (\int \left (\frac {\log (1+c x)}{x^2}+\frac {c \log (1+c x)}{x}-\frac {c^2 \log (1+c x)}{-1+c x}\right ) \, dx,x,x^3\right )+\frac {1}{12} \left (b^2 c\right ) \text {Subst}\left (\int \left (\frac {\log (1+c x)}{x^2}-\frac {c \log (1+c x)}{x}+\frac {c^2 \log (1+c x)}{1+c x}\right ) \, dx,x,x^3\right )\\ &=-\frac {\left (2 a-b \log \left (1-c x^3\right )\right )^2}{24 x^6}-\frac {b \left (2 a-b \log \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )}{12 x^6}-\frac {b^2 \log ^2\left (1+c x^3\right )}{24 x^6}-\frac {1}{12} b \text {Subst}\left (\int \frac {2 a-b \log (x)}{\left (\frac {1}{c}-\frac {x}{c}\right )^2} \, dx,x,1-c x^3\right )-\frac {1}{12} (b c) \text {Subst}\left (\int \frac {2 a-b \log (x)}{x \left (\frac {1}{c}-\frac {x}{c}\right )} \, dx,x,1-c x^3\right )-\frac {1}{12} (b c) \text {Subst}\left (\int \frac {-2 a+b \log (1-c x)}{x^2} \, dx,x,x^3\right )+2 \left (\frac {1}{12} \left (b^2 c\right ) \text {Subst}\left (\int \frac {\log (1+c x)}{x^2} \, dx,x,x^3\right )\right )+\frac {1}{12} \left (b c^2\right ) \text {Subst}\left (\int \frac {-2 a+b \log (1-c x)}{x} \, dx,x,x^3\right )-\frac {1}{12} \left (b c^3\right ) \text {Subst}\left (\int \frac {-2 a+b \log (1-c x)}{1+c x} \, dx,x,x^3\right )-\frac {1}{12} \left (b^2 c^3\right ) \text {Subst}\left (\int \frac {\log (1+c x)}{-1+c x} \, dx,x,x^3\right )+\frac {1}{12} \left (b^2 c^3\right ) \text {Subst}\left (\int \frac {\log (1+c x)}{1+c x} \, dx,x,x^3\right )\\ &=-\frac {1}{2} a b c^2 \log (x)-\frac {b c \left (2 a-b \log \left (1-c x^3\right )\right )}{12 x^3}-\frac {b c \left (1-c x^3\right ) \left (2 a-b \log \left (1-c x^3\right )\right )}{12 x^3}-\frac {\left (2 a-b \log \left (1-c x^3\right )\right )^2}{24 x^6}+\frac {1}{12} b c^2 \left (2 a-b \log \left (1-c x^3\right )\right ) \log \left (\frac {1}{2} \left (1+c x^3\right )\right )-\frac {1}{12} b^2 c^2 \log \left (\frac {1}{2} \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )-\frac {b \left (2 a-b \log \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )}{12 x^6}-\frac {b^2 \log ^2\left (1+c x^3\right )}{24 x^6}-\frac {1}{12} (b c) \text {Subst}\left (\int \frac {2 a-b \log (x)}{\frac {1}{c}-\frac {x}{c}} \, dx,x,1-c x^3\right )-\frac {1}{12} \left (b^2 c\right ) \text {Subst}\left (\int \frac {1}{\frac {1}{c}-\frac {x}{c}} \, dx,x,1-c x^3\right )-\frac {1}{12} \left (b c^2\right ) \text {Subst}\left (\int \frac {2 a-b \log (x)}{x} \, dx,x,1-c x^3\right )+\frac {1}{12} \left (b^2 c^2\right ) \text {Subst}\left (\int \frac {1}{x (1-c x)} \, dx,x,x^3\right )+2 \left (-\frac {b^2 c \log \left (1+c x^3\right )}{12 x^3}+\frac {1}{12} \left (b^2 c^2\right ) \text {Subst}\left (\int \frac {1}{x (1+c x)} \, dx,x,x^3\right )\right )+\frac {1}{12} \left (b^2 c^2\right ) \text {Subst}\left (\int \frac {\log (x)}{x} \, dx,x,1+c x^3\right )+\frac {1}{12} \left (b^2 c^2\right ) \text {Subst}\left (\int \frac {\log (1-c x)}{x} \, dx,x,x^3\right )+\frac {1}{12} \left (b^2 c^3\right ) \text {Subst}\left (\int \frac {\log \left (\frac {1}{2} (1-c x)\right )}{1+c x} \, dx,x,x^3\right )-\frac {1}{12} \left (b^2 c^3\right ) \text {Subst}\left (\int \frac {\log \left (\frac {1}{2} (1+c x)\right )}{1-c x} \, dx,x,x^3\right )\\ &=\frac {1}{4} b^2 c^2 \log (x)-\frac {b c \left (2 a-b \log \left (1-c x^3\right )\right )}{12 x^3}-\frac {b c \left (1-c x^3\right ) \left (2 a-b \log \left (1-c x^3\right )\right )}{12 x^3}+\frac {1}{24} c^2 \left (2 a-b \log \left (1-c x^3\right )\right )^2-\frac {\left (2 a-b \log \left (1-c x^3\right )\right )^2}{24 x^6}+\frac {1}{12} b c^2 \left (2 a-b \log \left (1-c x^3\right )\right ) \log \left (\frac {1}{2} \left (1+c x^3\right )\right )-\frac {1}{12} b^2 c^2 \log \left (\frac {1}{2} \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )-\frac {b \left (2 a-b \log \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )}{12 x^6}+\frac {1}{24} b^2 c^2 \log ^2\left (1+c x^3\right )-\frac {b^2 \log ^2\left (1+c x^3\right )}{24 x^6}-\frac {1}{12} b^2 c^2 \text {Li}_2\left (c x^3\right )+\frac {1}{12} \left (b^2 c\right ) \text {Subst}\left (\int \frac {\log (x)}{\frac {1}{c}-\frac {x}{c}} \, dx,x,1-c x^3\right )+\frac {1}{12} \left (b^2 c^2\right ) \text {Subst}\left (\int \frac {1}{x} \, dx,x,x^3\right )+\frac {1}{12} \left (b^2 c^2\right ) \text {Subst}\left (\int \frac {\log \left (1-\frac {x}{2}\right )}{x} \, dx,x,1-c x^3\right )+\frac {1}{12} \left (b^2 c^2\right ) \text {Subst}\left (\int \frac {\log \left (1-\frac {x}{2}\right )}{x} \, dx,x,1+c x^3\right )+\frac {1}{12} \left (b^2 c^3\right ) \text {Subst}\left (\int \frac {1}{1-c x} \, dx,x,x^3\right )+2 \left (-\frac {b^2 c \log \left (1+c x^3\right )}{12 x^3}+\frac {1}{12} \left (b^2 c^2\right ) \text {Subst}\left (\int \frac {1}{x} \, dx,x,x^3\right )-\frac {1}{12} \left (b^2 c^3\right ) \text {Subst}\left (\int \frac {1}{1+c x} \, dx,x,x^3\right )\right )\\ &=\frac {1}{2} b^2 c^2 \log (x)-\frac {1}{12} b^2 c^2 \log \left (1-c x^3\right )-\frac {b c \left (2 a-b \log \left (1-c x^3\right )\right )}{12 x^3}-\frac {b c \left (1-c x^3\right ) \left (2 a-b \log \left (1-c x^3\right )\right )}{12 x^3}+\frac {1}{24} c^2 \left (2 a-b \log \left (1-c x^3\right )\right )^2-\frac {\left (2 a-b \log \left (1-c x^3\right )\right )^2}{24 x^6}+\frac {1}{12} b c^2 \left (2 a-b \log \left (1-c x^3\right )\right ) \log \left (\frac {1}{2} \left (1+c x^3\right )\right )-\frac {1}{12} b^2 c^2 \log \left (\frac {1}{2} \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )-\frac {b \left (2 a-b \log \left (1-c x^3\right )\right ) \log \left (1+c x^3\right )}{12 x^6}+\frac {1}{24} b^2 c^2 \log ^2\left (1+c x^3\right )-\frac {b^2 \log ^2\left (1+c x^3\right )}{24 x^6}+2 \left (\frac {1}{4} b^2 c^2 \log (x)-\frac {1}{12} b^2 c^2 \log \left (1+c x^3\right )-\frac {b^2 c \log \left (1+c x^3\right )}{12 x^3}\right )-\frac {1}{12} b^2 c^2 \text {Li}_2\left (\frac {1}{2} \left (1-c x^3\right )\right )-\frac {1}{12} b^2 c^2 \text {Li}_2\left (\frac {1}{2} \left (1+c x^3\right )\right )\\ \end {align*}
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Mathematica [A]
time = 0.05, size = 111, normalized size = 1.26 \begin {gather*} \frac {1}{6} \left (-\frac {a^2}{x^6}-\frac {2 a b c}{x^3}-\frac {2 b \left (a+b c x^3\right ) \tanh ^{-1}\left (c x^3\right )}{x^6}+\frac {b^2 \left (-1+c^2 x^6\right ) \tanh ^{-1}\left (c x^3\right )^2}{x^6}+6 b^2 c^2 \log (x)-b (a+b) c^2 \log \left (1-c x^3\right )+(a-b) b c^2 \log \left (1+c x^3\right )\right ) \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. \(256\) vs.
\(2(80)=160\).
time = 0.17, size = 257, normalized size = 2.92
method | result | size |
risch | \(\frac {b^{2} \left (c^{2} x^{6}-1\right ) \ln \left (c \,x^{3}+1\right )^{2}}{24 x^{6}}-\frac {b \left (b \,c^{2} \ln \left (-c \,x^{3}+1\right ) x^{6}+2 b c \,x^{3}-b \ln \left (-c \,x^{3}+1\right )+2 a \right ) \ln \left (c \,x^{3}+1\right )}{12 x^{6}}+\frac {b^{2} c^{2} x^{6} \ln \left (-c \,x^{3}+1\right )^{2}+4 b \,c^{2} \ln \left (c \,x^{3}+1\right ) x^{6} a -4 b^{2} c^{2} \ln \left (c \,x^{3}+1\right ) x^{6}-4 b \,c^{2} \ln \left (c \,x^{3}-1\right ) x^{6} a -4 b^{2} c^{2} \ln \left (c \,x^{3}-1\right ) x^{6}+24 b^{2} c^{2} \ln \left (x \right ) x^{6}+4 b^{2} c \,x^{3} \ln \left (-c \,x^{3}+1\right )-8 a b c \,x^{3}-b^{2} \ln \left (-c \,x^{3}+1\right )^{2}+4 b \ln \left (-c \,x^{3}+1\right ) a -4 a^{2}}{24 x^{6}}\) | \(257\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 175 vs.
\(2 (80) = 160\).
time = 0.28, size = 175, normalized size = 1.99 \begin {gather*} \frac {1}{6} \, {\left ({\left (c \log \left (c x^{3} + 1\right ) - c \log \left (c x^{3} - 1\right ) - \frac {2}{x^{3}}\right )} c - \frac {2 \, \operatorname {artanh}\left (c x^{3}\right )}{x^{6}}\right )} a b + \frac {1}{24} \, {\left ({\left (2 \, {\left (\log \left (c x^{3} - 1\right ) - 2\right )} \log \left (c x^{3} + 1\right ) - \log \left (c x^{3} + 1\right )^{2} - \log \left (c x^{3} - 1\right )^{2} - 4 \, \log \left (c x^{3} - 1\right ) + 24 \, \log \left (x\right )\right )} c^{2} + 4 \, {\left (c \log \left (c x^{3} + 1\right ) - c \log \left (c x^{3} - 1\right ) - \frac {2}{x^{3}}\right )} c \operatorname {artanh}\left (c x^{3}\right )\right )} b^{2} - \frac {b^{2} \operatorname {artanh}\left (c x^{3}\right )^{2}}{6 \, x^{6}} - \frac {a^{2}}{6 \, x^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.40, size = 151, normalized size = 1.72 \begin {gather*} \frac {24 \, b^{2} c^{2} x^{6} \log \left (x\right ) + 4 \, {\left (a b - b^{2}\right )} c^{2} x^{6} \log \left (c x^{3} + 1\right ) - 4 \, {\left (a b + b^{2}\right )} c^{2} x^{6} \log \left (c x^{3} - 1\right ) - 8 \, a b c x^{3} + {\left (b^{2} c^{2} x^{6} - b^{2}\right )} \log \left (-\frac {c x^{3} + 1}{c x^{3} - 1}\right )^{2} - 4 \, a^{2} - 4 \, {\left (b^{2} c x^{3} + a b\right )} \log \left (-\frac {c x^{3} + 1}{c x^{3} - 1}\right )}{24 \, x^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \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 = 1.54, size = 278, normalized size = 3.16 \begin {gather*} \frac {b^2\,c^2\,{\ln \left (c\,x^3+1\right )}^2}{24}-\frac {b^2\,c^2\,\ln \left (c\,x^3-1\right )}{6}-\frac {b^2\,c^2\,\ln \left (c\,x^3+1\right )}{6}-\frac {a^2}{6\,x^6}+\frac {b^2\,c^2\,{\ln \left (1-c\,x^3\right )}^2}{24}-\frac {b^2\,{\ln \left (c\,x^3+1\right )}^2}{24\,x^6}-\frac {b^2\,{\ln \left (1-c\,x^3\right )}^2}{24\,x^6}+b^2\,c^2\,\ln \left (x\right )-\frac {a\,b\,c^2\,\ln \left (c\,x^3-1\right )}{6}+\frac {a\,b\,c^2\,\ln \left (c\,x^3+1\right )}{6}-\frac {a\,b\,c}{3\,x^3}-\frac {a\,b\,\ln \left (c\,x^3+1\right )}{6\,x^6}+\frac {a\,b\,\ln \left (1-c\,x^3\right )}{6\,x^6}-\frac {b^2\,c^2\,\ln \left (c\,x^3+1\right )\,\ln \left (1-c\,x^3\right )}{12}-\frac {b^2\,c\,\ln \left (c\,x^3+1\right )}{6\,x^3}+\frac {b^2\,c\,\ln \left (1-c\,x^3\right )}{6\,x^3}+\frac {b^2\,\ln \left (c\,x^3+1\right )\,\ln \left (1-c\,x^3\right )}{12\,x^6} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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