Optimal. Leaf size=54 \[ \frac {1}{12} x^{12} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )-\frac {b \tanh ^{-1}\left (c x^3\right )}{12 c^4}+\frac {b x^3}{12 c^3}+\frac {b x^9}{36 c} \]
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Rubi [A] time = 0.04, antiderivative size = 54, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {6097, 275, 302, 206} \[ \frac {1}{12} x^{12} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )+\frac {b x^3}{12 c^3}-\frac {b \tanh ^{-1}\left (c x^3\right )}{12 c^4}+\frac {b x^9}{36 c} \]
Antiderivative was successfully verified.
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Rule 206
Rule 275
Rule 302
Rule 6097
Rubi steps
\begin {align*} \int x^{11} \left (a+b \tanh ^{-1}\left (c x^3\right )\right ) \, dx &=\frac {1}{12} x^{12} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )-\frac {1}{4} (b c) \int \frac {x^{14}}{1-c^2 x^6} \, dx\\ &=\frac {1}{12} x^{12} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )-\frac {1}{12} (b c) \operatorname {Subst}\left (\int \frac {x^4}{1-c^2 x^2} \, dx,x,x^3\right )\\ &=\frac {1}{12} x^{12} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )-\frac {1}{12} (b c) \operatorname {Subst}\left (\int \left (-\frac {1}{c^4}-\frac {x^2}{c^2}+\frac {1}{c^4 \left (1-c^2 x^2\right )}\right ) \, dx,x,x^3\right )\\ &=\frac {b x^3}{12 c^3}+\frac {b x^9}{36 c}+\frac {1}{12} x^{12} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )-\frac {b \operatorname {Subst}\left (\int \frac {1}{1-c^2 x^2} \, dx,x,x^3\right )}{12 c^3}\\ &=\frac {b x^3}{12 c^3}+\frac {b x^9}{36 c}-\frac {b \tanh ^{-1}\left (c x^3\right )}{12 c^4}+\frac {1}{12} x^{12} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )\\ \end {align*}
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Mathematica [A] time = 0.02, size = 78, normalized size = 1.44 \[ \frac {a x^{12}}{12}+\frac {b \log \left (1-c x^3\right )}{24 c^4}-\frac {b \log \left (c x^3+1\right )}{24 c^4}+\frac {b x^3}{12 c^3}+\frac {b x^9}{36 c}+\frac {1}{12} b x^{12} \tanh ^{-1}\left (c x^3\right ) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.60, size = 64, normalized size = 1.19 \[ \frac {6 \, a c^{4} x^{12} + 2 \, b c^{3} x^{9} + 6 \, b c x^{3} + 3 \, {\left (b c^{4} x^{12} - b\right )} \log \left (-\frac {c x^{3} + 1}{c x^{3} - 1}\right )}{72 \, c^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.14, size = 78, normalized size = 1.44 \[ \frac {1}{24} \, b x^{12} \log \left (-\frac {c x^{3} + 1}{c x^{3} - 1}\right ) + \frac {1}{12} \, a x^{12} + \frac {b x^{9}}{36 \, c} + \frac {b x^{3}}{12 \, c^{3}} - \frac {b \log \left (c x^{3} + 1\right )}{24 \, c^{4}} + \frac {b \log \left (c x^{3} - 1\right )}{24 \, c^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.03, size = 66, normalized size = 1.22 \[ \frac {x^{12} a}{12}+\frac {b \,x^{12} \arctanh \left (c \,x^{3}\right )}{12}+\frac {b \,x^{9}}{36 c}+\frac {b \,x^{3}}{12 c^{3}}-\frac {b \ln \left (c \,x^{3}+1\right )}{24 c^{4}}+\frac {b \ln \left (c \,x^{3}-1\right )}{24 c^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.30, size = 69, normalized size = 1.28 \[ \frac {1}{12} \, a x^{12} + \frac {1}{72} \, {\left (6 \, x^{12} \operatorname {artanh}\left (c x^{3}\right ) + c {\left (\frac {2 \, {\left (c^{2} x^{9} + 3 \, x^{3}\right )}}{c^{4}} - \frac {3 \, \log \left (c x^{3} + 1\right )}{c^{5}} + \frac {3 \, \log \left (c x^{3} - 1\right )}{c^{5}}\right )}\right )} b \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.11, size = 69, normalized size = 1.28 \[ \frac {a\,x^{12}}{12}+\frac {b\,x^3}{12\,c^3}+\frac {b\,x^9}{36\,c}+\frac {b\,x^{12}\,\ln \left (c\,x^3+1\right )}{24}-\frac {b\,x^{12}\,\ln \left (1-c\,x^3\right )}{24}+\frac {b\,\mathrm {atan}\left (c\,x^3\,1{}\mathrm {i}\right )\,1{}\mathrm {i}}{12\,c^4} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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