Optimal. Leaf size=156 \[ \frac {1}{3} a^4 x^3 \tanh ^{-1}(a x)^2+\frac {1}{3} a^3 x^2 \tanh ^{-1}(a x)+\frac {a^2 x}{3}-2 a^2 x \tanh ^{-1}(a x)^2+\frac {5}{3} a \text {Li}_2\left (1-\frac {2}{1-a x}\right )-a \text {Li}_2\left (\frac {2}{a x+1}-1\right )-\frac {2}{3} a \tanh ^{-1}(a x)^2-\frac {1}{3} a \tanh ^{-1}(a x)-\frac {\tanh ^{-1}(a x)^2}{x}+\frac {10}{3} a \log \left (\frac {2}{1-a x}\right ) \tanh ^{-1}(a x)+2 a \log \left (2-\frac {2}{a x+1}\right ) \tanh ^{-1}(a x) \]
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Rubi [A] time = 0.42, antiderivative size = 156, normalized size of antiderivative = 1.00, number of steps used = 20, number of rules used = 13, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.591, Rules used = {6012, 5910, 5984, 5918, 2402, 2315, 5916, 5988, 5932, 2447, 5980, 321, 206} \[ \frac {5}{3} a \text {PolyLog}\left (2,1-\frac {2}{1-a x}\right )-a \text {PolyLog}\left (2,\frac {2}{a x+1}-1\right )+\frac {1}{3} a^4 x^3 \tanh ^{-1}(a x)^2+\frac {1}{3} a^3 x^2 \tanh ^{-1}(a x)+\frac {a^2 x}{3}-2 a^2 x \tanh ^{-1}(a x)^2-\frac {2}{3} a \tanh ^{-1}(a x)^2-\frac {1}{3} a \tanh ^{-1}(a x)-\frac {\tanh ^{-1}(a x)^2}{x}+\frac {10}{3} a \log \left (\frac {2}{1-a x}\right ) \tanh ^{-1}(a x)+2 a \log \left (2-\frac {2}{a x+1}\right ) \tanh ^{-1}(a x) \]
Antiderivative was successfully verified.
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Rule 206
Rule 321
Rule 2315
Rule 2402
Rule 2447
Rule 5910
Rule 5916
Rule 5918
Rule 5932
Rule 5980
Rule 5984
Rule 5988
Rule 6012
Rubi steps
\begin {align*} \int \frac {\left (1-a^2 x^2\right )^2 \tanh ^{-1}(a x)^2}{x^2} \, dx &=\int \left (-2 a^2 \tanh ^{-1}(a x)^2+\frac {\tanh ^{-1}(a x)^2}{x^2}+a^4 x^2 \tanh ^{-1}(a x)^2\right ) \, dx\\ &=-\left (\left (2 a^2\right ) \int \tanh ^{-1}(a x)^2 \, dx\right )+a^4 \int x^2 \tanh ^{-1}(a x)^2 \, dx+\int \frac {\tanh ^{-1}(a x)^2}{x^2} \, dx\\ &=-\frac {\tanh ^{-1}(a x)^2}{x}-2 a^2 x \tanh ^{-1}(a x)^2+\frac {1}{3} a^4 x^3 \tanh ^{-1}(a x)^2+(2 a) \int \frac {\tanh ^{-1}(a x)}{x \left (1-a^2 x^2\right )} \, dx+\left (4 a^3\right ) \int \frac {x \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx-\frac {1}{3} \left (2 a^5\right ) \int \frac {x^3 \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx\\ &=-a \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{x}-2 a^2 x \tanh ^{-1}(a x)^2+\frac {1}{3} a^4 x^3 \tanh ^{-1}(a x)^2+(2 a) \int \frac {\tanh ^{-1}(a x)}{x (1+a x)} \, dx+\left (4 a^2\right ) \int \frac {\tanh ^{-1}(a x)}{1-a x} \, dx+\frac {1}{3} \left (2 a^3\right ) \int x \tanh ^{-1}(a x) \, dx-\frac {1}{3} \left (2 a^3\right ) \int \frac {x \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx\\ &=\frac {1}{3} a^3 x^2 \tanh ^{-1}(a x)-\frac {2}{3} a \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{x}-2 a^2 x \tanh ^{-1}(a x)^2+\frac {1}{3} a^4 x^3 \tanh ^{-1}(a x)^2+4 a \tanh ^{-1}(a x) \log \left (\frac {2}{1-a x}\right )+2 a \tanh ^{-1}(a x) \log \left (2-\frac {2}{1+a x}\right )-\frac {1}{3} \left (2 a^2\right ) \int \frac {\tanh ^{-1}(a x)}{1-a x} \, dx-\left (2 a^2\right ) \int \frac {\log \left (2-\frac {2}{1+a x}\right )}{1-a^2 x^2} \, dx-\left (4 a^2\right ) \int \frac {\log \left (\frac {2}{1-a x}\right )}{1-a^2 x^2} \, dx-\frac {1}{3} a^4 \int \frac {x^2}{1-a^2 x^2} \, dx\\ &=\frac {a^2 x}{3}+\frac {1}{3} a^3 x^2 \tanh ^{-1}(a x)-\frac {2}{3} a \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{x}-2 a^2 x \tanh ^{-1}(a x)^2+\frac {1}{3} a^4 x^3 \tanh ^{-1}(a x)^2+\frac {10}{3} a \tanh ^{-1}(a x) \log \left (\frac {2}{1-a x}\right )+2 a \tanh ^{-1}(a x) \log \left (2-\frac {2}{1+a x}\right )-a \text {Li}_2\left (-1+\frac {2}{1+a x}\right )+(4 a) \operatorname {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1-a x}\right )-\frac {1}{3} a^2 \int \frac {1}{1-a^2 x^2} \, dx+\frac {1}{3} \left (2 a^2\right ) \int \frac {\log \left (\frac {2}{1-a x}\right )}{1-a^2 x^2} \, dx\\ &=\frac {a^2 x}{3}-\frac {1}{3} a \tanh ^{-1}(a x)+\frac {1}{3} a^3 x^2 \tanh ^{-1}(a x)-\frac {2}{3} a \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{x}-2 a^2 x \tanh ^{-1}(a x)^2+\frac {1}{3} a^4 x^3 \tanh ^{-1}(a x)^2+\frac {10}{3} a \tanh ^{-1}(a x) \log \left (\frac {2}{1-a x}\right )+2 a \tanh ^{-1}(a x) \log \left (2-\frac {2}{1+a x}\right )+2 a \text {Li}_2\left (1-\frac {2}{1-a x}\right )-a \text {Li}_2\left (-1+\frac {2}{1+a x}\right )-\frac {1}{3} (2 a) \operatorname {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1-a x}\right )\\ &=\frac {a^2 x}{3}-\frac {1}{3} a \tanh ^{-1}(a x)+\frac {1}{3} a^3 x^2 \tanh ^{-1}(a x)-\frac {2}{3} a \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{x}-2 a^2 x \tanh ^{-1}(a x)^2+\frac {1}{3} a^4 x^3 \tanh ^{-1}(a x)^2+\frac {10}{3} a \tanh ^{-1}(a x) \log \left (\frac {2}{1-a x}\right )+2 a \tanh ^{-1}(a x) \log \left (2-\frac {2}{1+a x}\right )+\frac {5}{3} a \text {Li}_2\left (1-\frac {2}{1-a x}\right )-a \text {Li}_2\left (-1+\frac {2}{1+a x}\right )\\ \end {align*}
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Mathematica [A] time = 0.06, size = 182, normalized size = 1.17 \[ \frac {1}{3} a \left (-\left (1-a^2 x^2\right ) \left (a x \tanh ^{-1}(a x)+1\right ) \tanh ^{-1}(a x)+\text {Li}_2\left (-e^{-2 \tanh ^{-1}(a x)}\right )+a x+a x \tanh ^{-1}(a x)^2-\tanh ^{-1}(a x)^2-2 \tanh ^{-1}(a x) \log \left (e^{-2 \tanh ^{-1}(a x)}+1\right )\right )-2 a \text {Li}_2\left (-e^{-2 \tanh ^{-1}(a x)}\right )+a \left (\tanh ^{-1}(a x) \left (-\frac {\tanh ^{-1}(a x)}{a x}+\tanh ^{-1}(a x)+2 \log \left (1-e^{-2 \tanh ^{-1}(a x)}\right )\right )-\text {Li}_2\left (e^{-2 \tanh ^{-1}(a x)}\right )\right )-2 a \tanh ^{-1}(a x) \left (a x \tanh ^{-1}(a x)-\tanh ^{-1}(a x)-2 \log \left (e^{-2 \tanh ^{-1}(a x)}+1\right )\right ) \]
Warning: Unable to verify antiderivative.
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fricas [F] time = 0.63, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\frac {{\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \operatorname {artanh}\left (a x\right )^{2}}{x^{2}}, x\right ) \]
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 \[ \int \frac {{\left (a^{2} x^{2} - 1\right )}^{2} \operatorname {artanh}\left (a x\right )^{2}}{x^{2}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.06, size = 222, normalized size = 1.42 \[ \frac {a^{4} x^{3} \arctanh \left (a x \right )^{2}}{3}-2 a^{2} x \arctanh \left (a x \right )^{2}-\frac {\arctanh \left (a x \right )^{2}}{x}+\frac {a^{3} x^{2} \arctanh \left (a x \right )}{3}+2 a \arctanh \left (a x \right ) \ln \left (a x \right )-\frac {8 a \arctanh \left (a x \right ) \ln \left (a x -1\right )}{3}-\frac {8 a \arctanh \left (a x \right ) \ln \left (a x +1\right )}{3}+\frac {a^{2} x}{3}+\frac {a \ln \left (a x -1\right )}{6}-\frac {a \ln \left (a x +1\right )}{6}-a \dilog \left (a x \right )-a \dilog \left (a x +1\right )-a \ln \left (a x \right ) \ln \left (a x +1\right )-\frac {2 a \ln \left (a x -1\right )^{2}}{3}+\frac {8 a \dilog \left (\frac {1}{2}+\frac {a x}{2}\right )}{3}+\frac {4 a \ln \left (a x -1\right ) \ln \left (\frac {1}{2}+\frac {a x}{2}\right )}{3}+\frac {2 a \ln \left (a x +1\right )^{2}}{3}+\frac {4 a \ln \left (-\frac {a x}{2}+\frac {1}{2}\right ) \ln \left (\frac {1}{2}+\frac {a x}{2}\right )}{3}-\frac {4 a \ln \left (-\frac {a x}{2}+\frac {1}{2}\right ) \ln \left (a x +1\right )}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.33, size = 200, normalized size = 1.28 \[ \frac {1}{6} \, a^{2} {\left (\frac {2 \, {\left (a x + 2 \, \log \left (a x + 1\right )^{2} - 4 \, \log \left (a x + 1\right ) \log \left (a x - 1\right ) - 2 \, \log \left (a x - 1\right )^{2}\right )}}{a} + \frac {16 \, {\left (\log \left (a x - 1\right ) \log \left (\frac {1}{2} \, a x + \frac {1}{2}\right ) + {\rm Li}_2\left (-\frac {1}{2} \, a x + \frac {1}{2}\right )\right )}}{a} - \frac {6 \, {\left (\log \left (a x + 1\right ) \log \relax (x) + {\rm Li}_2\left (-a x\right )\right )}}{a} + \frac {6 \, {\left (\log \left (-a x + 1\right ) \log \relax (x) + {\rm Li}_2\left (a x\right )\right )}}{a} - \frac {\log \left (a x + 1\right )}{a} + \frac {\log \left (a x - 1\right )}{a}\right )} + \frac {1}{3} \, {\left (a^{2} x^{2} - 8 \, \log \left (a x + 1\right ) - 8 \, \log \left (a x - 1\right ) + 6 \, \log \relax (x)\right )} a \operatorname {artanh}\left (a x\right ) + \frac {1}{3} \, {\left (a^{4} x^{3} - 6 \, a^{2} x - \frac {3}{x}\right )} \operatorname {artanh}\left (a x\right )^{2} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {{\mathrm {atanh}\left (a\,x\right )}^2\,{\left (a^2\,x^2-1\right )}^2}{x^2} \,d x \]
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 \[ \int \frac {\left (a x - 1\right )^{2} \left (a x + 1\right )^{2} \operatorname {atanh}^{2}{\left (a x \right )}}{x^{2}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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