Optimal. Leaf size=88 \[ \frac {x}{64 a^3}+\frac {x^2}{128 a^2}+\frac {x^3}{192 a}+\frac {x^4}{256}+\frac {\log (1-a x)}{64 a^4}-\frac {1}{64} x^4 \log (1-a x)-\frac {1}{16} x^4 \text {PolyLog}(2,a x)+\frac {1}{4} x^4 \text {PolyLog}(3,a x) \]
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Rubi [A]
time = 0.04, antiderivative size = 88, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 3, integrand size = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {6726, 2442, 45}
\begin {gather*} \frac {\log (1-a x)}{64 a^4}+\frac {x}{64 a^3}+\frac {x^2}{128 a^2}-\frac {1}{16} x^4 \text {Li}_2(a x)+\frac {1}{4} x^4 \text {Li}_3(a x)-\frac {1}{64} x^4 \log (1-a x)+\frac {x^3}{192 a}+\frac {x^4}{256} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 2442
Rule 6726
Rubi steps
\begin {align*} \int x^3 \text {Li}_3(a x) \, dx &=\frac {1}{4} x^4 \text {Li}_3(a x)-\frac {1}{4} \int x^3 \text {Li}_2(a x) \, dx\\ &=-\frac {1}{16} x^4 \text {Li}_2(a x)+\frac {1}{4} x^4 \text {Li}_3(a x)-\frac {1}{16} \int x^3 \log (1-a x) \, dx\\ &=-\frac {1}{64} x^4 \log (1-a x)-\frac {1}{16} x^4 \text {Li}_2(a x)+\frac {1}{4} x^4 \text {Li}_3(a x)-\frac {1}{64} a \int \frac {x^4}{1-a x} \, dx\\ &=-\frac {1}{64} x^4 \log (1-a x)-\frac {1}{16} x^4 \text {Li}_2(a x)+\frac {1}{4} x^4 \text {Li}_3(a x)-\frac {1}{64} a \int \left (-\frac {1}{a^4}-\frac {x}{a^3}-\frac {x^2}{a^2}-\frac {x^3}{a}-\frac {1}{a^4 (-1+a x)}\right ) \, dx\\ &=\frac {x}{64 a^3}+\frac {x^2}{128 a^2}+\frac {x^3}{192 a}+\frac {x^4}{256}+\frac {\log (1-a x)}{64 a^4}-\frac {1}{64} x^4 \log (1-a x)-\frac {1}{16} x^4 \text {Li}_2(a x)+\frac {1}{4} x^4 \text {Li}_3(a x)\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 86, normalized size = 0.98 \begin {gather*} \frac {12 a x+6 a^2 x^2+4 a^3 x^3+3 a^4 x^4+12 \log (1-a x)-12 a^4 x^4 \log (1-a x)-48 a^4 x^4 \text {PolyLog}(2,a x)+192 a^4 x^4 \text {PolyLog}(3,a x)}{768 a^4} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.13, size = 78, normalized size = 0.89
method | result | size |
meijerg | \(-\frac {-\frac {a x \left (15 a^{3} x^{3}+20 a^{2} x^{2}+30 a x +60\right )}{3840}-\frac {\left (-5 a^{4} x^{4}+5\right ) \ln \left (-a x +1\right )}{320}+\frac {a^{4} x^{4} \polylog \left (2, a x \right )}{16}-\frac {a^{4} x^{4} \polylog \left (3, a x \right )}{4}}{a^{4}}\) | \(78\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.26, size = 77, normalized size = 0.88 \begin {gather*} -\frac {48 \, a^{4} x^{4} {\rm Li}_2\left (a x\right ) - 192 \, a^{4} x^{4} {\rm Li}_{3}(a x) - 3 \, a^{4} x^{4} - 4 \, a^{3} x^{3} - 6 \, a^{2} x^{2} - 12 \, a x + 12 \, {\left (a^{4} x^{4} - 1\right )} \log \left (-a x + 1\right )}{768 \, a^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.36, size = 77, normalized size = 0.88 \begin {gather*} -\frac {48 \, a^{4} x^{4} {\rm Li}_2\left (a x\right ) - 192 \, a^{4} x^{4} {\rm polylog}\left (3, a x\right ) - 3 \, a^{4} x^{4} - 4 \, a^{3} x^{3} - 6 \, a^{2} x^{2} - 12 \, a x + 12 \, {\left (a^{4} x^{4} - 1\right )} \log \left (-a x + 1\right )}{768 \, a^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int x^{3} \operatorname {Li}_{3}\left (a x\right )\, dx \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 = 0.82, size = 71, normalized size = 0.81 \begin {gather*} \frac {\ln \left (a\,x-1\right )}{64\,a^4}-\frac {x^4\,\ln \left (1-a\,x\right )}{64}+\frac {x}{64\,a^3}+\frac {x^4}{256}-\frac {x^4\,\mathrm {polylog}\left (2,a\,x\right )}{16}+\frac {x^4\,\mathrm {polylog}\left (3,a\,x\right )}{4}+\frac {x^3}{192\,a}+\frac {x^2}{128\,a^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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