Optimal. Leaf size=156 \[ -\frac {5 x^2}{504 a^2}-\frac {x^4}{84}+\frac {a^2 x^6}{168}+\frac {x \tanh ^{-1}(a x)}{12 a^3}+\frac {x^3 \tanh ^{-1}(a x)}{36 a}-\frac {1}{12} a x^5 \tanh ^{-1}(a x)+\frac {1}{28} a^3 x^7 \tanh ^{-1}(a x)-\frac {\tanh ^{-1}(a x)^2}{24 a^4}+\frac {1}{4} x^4 \tanh ^{-1}(a x)^2-\frac {1}{3} a^2 x^6 \tanh ^{-1}(a x)^2+\frac {1}{8} a^4 x^8 \tanh ^{-1}(a x)^2+\frac {2 \log \left (1-a^2 x^2\right )}{63 a^4} \]
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Rubi [A]
time = 0.57, antiderivative size = 156, normalized size of antiderivative = 1.00, number of steps
used = 47, number of rules used = 8, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.364, Rules used = {6159, 6037,
6127, 272, 45, 6021, 266, 6095} \begin {gather*} \frac {1}{8} a^4 x^8 \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{24 a^4}+\frac {1}{28} a^3 x^7 \tanh ^{-1}(a x)+\frac {x \tanh ^{-1}(a x)}{12 a^3}+\frac {a^2 x^6}{168}-\frac {1}{3} a^2 x^6 \tanh ^{-1}(a x)^2-\frac {5 x^2}{504 a^2}+\frac {2 \log \left (1-a^2 x^2\right )}{63 a^4}-\frac {1}{12} a x^5 \tanh ^{-1}(a x)+\frac {1}{4} x^4 \tanh ^{-1}(a x)^2+\frac {x^3 \tanh ^{-1}(a x)}{36 a}-\frac {x^4}{84} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 266
Rule 272
Rule 6021
Rule 6037
Rule 6095
Rule 6127
Rule 6159
Rubi steps
\begin {align*} \int x^3 \left (1-a^2 x^2\right )^2 \tanh ^{-1}(a x)^2 \, dx &=\int \left (x^3 \tanh ^{-1}(a x)^2-2 a^2 x^5 \tanh ^{-1}(a x)^2+a^4 x^7 \tanh ^{-1}(a x)^2\right ) \, dx\\ &=-\left (\left (2 a^2\right ) \int x^5 \tanh ^{-1}(a x)^2 \, dx\right )+a^4 \int x^7 \tanh ^{-1}(a x)^2 \, dx+\int x^3 \tanh ^{-1}(a x)^2 \, dx\\ &=\frac {1}{4} x^4 \tanh ^{-1}(a x)^2-\frac {1}{3} a^2 x^6 \tanh ^{-1}(a x)^2+\frac {1}{8} a^4 x^8 \tanh ^{-1}(a x)^2-\frac {1}{2} a \int \frac {x^4 \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx+\frac {1}{3} \left (2 a^3\right ) \int \frac {x^6 \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx-\frac {1}{4} a^5 \int \frac {x^8 \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx\\ &=\frac {1}{4} x^4 \tanh ^{-1}(a x)^2-\frac {1}{3} a^2 x^6 \tanh ^{-1}(a x)^2+\frac {1}{8} a^4 x^8 \tanh ^{-1}(a x)^2+\frac {\int x^2 \tanh ^{-1}(a x) \, dx}{2 a}-\frac {\int \frac {x^2 \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx}{2 a}-\frac {1}{3} (2 a) \int x^4 \tanh ^{-1}(a x) \, dx+\frac {1}{3} (2 a) \int \frac {x^4 \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx+\frac {1}{4} a^3 \int x^6 \tanh ^{-1}(a x) \, dx-\frac {1}{4} a^3 \int \frac {x^6 \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx\\ &=\frac {x^3 \tanh ^{-1}(a x)}{6 a}-\frac {2}{15} a x^5 \tanh ^{-1}(a x)+\frac {1}{28} a^3 x^7 \tanh ^{-1}(a x)+\frac {1}{4} x^4 \tanh ^{-1}(a x)^2-\frac {1}{3} a^2 x^6 \tanh ^{-1}(a x)^2+\frac {1}{8} a^4 x^8 \tanh ^{-1}(a x)^2-\frac {1}{6} \int \frac {x^3}{1-a^2 x^2} \, dx+\frac {\int \tanh ^{-1}(a x) \, dx}{2 a^3}-\frac {\int \frac {\tanh ^{-1}(a x)}{1-a^2 x^2} \, dx}{2 a^3}-\frac {2 \int x^2 \tanh ^{-1}(a x) \, dx}{3 a}+\frac {2 \int \frac {x^2 \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx}{3 a}+\frac {1}{4} a \int x^4 \tanh ^{-1}(a x) \, dx-\frac {1}{4} a \int \frac {x^4 \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx+\frac {1}{15} \left (2 a^2\right ) \int \frac {x^5}{1-a^2 x^2} \, dx-\frac {1}{28} a^4 \int \frac {x^7}{1-a^2 x^2} \, dx\\ &=\frac {x \tanh ^{-1}(a x)}{2 a^3}-\frac {x^3 \tanh ^{-1}(a x)}{18 a}-\frac {1}{12} a x^5 \tanh ^{-1}(a x)+\frac {1}{28} a^3 x^7 \tanh ^{-1}(a x)-\frac {\tanh ^{-1}(a x)^2}{4 a^4}+\frac {1}{4} x^4 \tanh ^{-1}(a x)^2-\frac {1}{3} a^2 x^6 \tanh ^{-1}(a x)^2+\frac {1}{8} a^4 x^8 \tanh ^{-1}(a x)^2-\frac {1}{12} \text {Subst}\left (\int \frac {x}{1-a^2 x} \, dx,x,x^2\right )+\frac {2}{9} \int \frac {x^3}{1-a^2 x^2} \, dx-\frac {2 \int \tanh ^{-1}(a x) \, dx}{3 a^3}+\frac {2 \int \frac {\tanh ^{-1}(a x)}{1-a^2 x^2} \, dx}{3 a^3}-\frac {\int \frac {x}{1-a^2 x^2} \, dx}{2 a^2}+\frac {\int x^2 \tanh ^{-1}(a x) \, dx}{4 a}-\frac {\int \frac {x^2 \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx}{4 a}-\frac {1}{20} a^2 \int \frac {x^5}{1-a^2 x^2} \, dx+\frac {1}{15} a^2 \text {Subst}\left (\int \frac {x^2}{1-a^2 x} \, dx,x,x^2\right )-\frac {1}{56} a^4 \text {Subst}\left (\int \frac {x^3}{1-a^2 x} \, dx,x,x^2\right )\\ &=-\frac {x \tanh ^{-1}(a x)}{6 a^3}+\frac {x^3 \tanh ^{-1}(a x)}{36 a}-\frac {1}{12} a x^5 \tanh ^{-1}(a x)+\frac {1}{28} a^3 x^7 \tanh ^{-1}(a x)+\frac {\tanh ^{-1}(a x)^2}{12 a^4}+\frac {1}{4} x^4 \tanh ^{-1}(a x)^2-\frac {1}{3} a^2 x^6 \tanh ^{-1}(a x)^2+\frac {1}{8} a^4 x^8 \tanh ^{-1}(a x)^2+\frac {\log \left (1-a^2 x^2\right )}{4 a^4}-\frac {1}{12} \int \frac {x^3}{1-a^2 x^2} \, dx-\frac {1}{12} \text {Subst}\left (\int \left (-\frac {1}{a^2}-\frac {1}{a^2 \left (-1+a^2 x\right )}\right ) \, dx,x,x^2\right )+\frac {1}{9} \text {Subst}\left (\int \frac {x}{1-a^2 x} \, dx,x,x^2\right )+\frac {\int \tanh ^{-1}(a x) \, dx}{4 a^3}-\frac {\int \frac {\tanh ^{-1}(a x)}{1-a^2 x^2} \, dx}{4 a^3}+\frac {2 \int \frac {x}{1-a^2 x^2} \, dx}{3 a^2}-\frac {1}{40} a^2 \text {Subst}\left (\int \frac {x^2}{1-a^2 x} \, dx,x,x^2\right )+\frac {1}{15} a^2 \text {Subst}\left (\int \left (-\frac {1}{a^4}-\frac {x}{a^2}-\frac {1}{a^4 \left (-1+a^2 x\right )}\right ) \, dx,x,x^2\right )-\frac {1}{56} a^4 \text {Subst}\left (\int \left (-\frac {1}{a^6}-\frac {x}{a^4}-\frac {x^2}{a^2}-\frac {1}{a^6 \left (-1+a^2 x\right )}\right ) \, dx,x,x^2\right )\\ &=\frac {29 x^2}{840 a^2}-\frac {41 x^4}{1680}+\frac {a^2 x^6}{168}+\frac {x \tanh ^{-1}(a x)}{12 a^3}+\frac {x^3 \tanh ^{-1}(a x)}{36 a}-\frac {1}{12} a x^5 \tanh ^{-1}(a x)+\frac {1}{28} a^3 x^7 \tanh ^{-1}(a x)-\frac {\tanh ^{-1}(a x)^2}{24 a^4}+\frac {1}{4} x^4 \tanh ^{-1}(a x)^2-\frac {1}{3} a^2 x^6 \tanh ^{-1}(a x)^2+\frac {1}{8} a^4 x^8 \tanh ^{-1}(a x)^2-\frac {41 \log \left (1-a^2 x^2\right )}{840 a^4}-\frac {1}{24} \text {Subst}\left (\int \frac {x}{1-a^2 x} \, dx,x,x^2\right )+\frac {1}{9} \text {Subst}\left (\int \left (-\frac {1}{a^2}-\frac {1}{a^2 \left (-1+a^2 x\right )}\right ) \, dx,x,x^2\right )-\frac {\int \frac {x}{1-a^2 x^2} \, dx}{4 a^2}-\frac {1}{40} a^2 \text {Subst}\left (\int \left (-\frac {1}{a^4}-\frac {x}{a^2}-\frac {1}{a^4 \left (-1+a^2 x\right )}\right ) \, dx,x,x^2\right )\\ &=-\frac {13 x^2}{252 a^2}-\frac {x^4}{84}+\frac {a^2 x^6}{168}+\frac {x \tanh ^{-1}(a x)}{12 a^3}+\frac {x^3 \tanh ^{-1}(a x)}{36 a}-\frac {1}{12} a x^5 \tanh ^{-1}(a x)+\frac {1}{28} a^3 x^7 \tanh ^{-1}(a x)-\frac {\tanh ^{-1}(a x)^2}{24 a^4}+\frac {1}{4} x^4 \tanh ^{-1}(a x)^2-\frac {1}{3} a^2 x^6 \tanh ^{-1}(a x)^2+\frac {1}{8} a^4 x^8 \tanh ^{-1}(a x)^2-\frac {5 \log \left (1-a^2 x^2\right )}{504 a^4}-\frac {1}{24} \text {Subst}\left (\int \left (-\frac {1}{a^2}-\frac {1}{a^2 \left (-1+a^2 x\right )}\right ) \, dx,x,x^2\right )\\ &=-\frac {5 x^2}{504 a^2}-\frac {x^4}{84}+\frac {a^2 x^6}{168}+\frac {x \tanh ^{-1}(a x)}{12 a^3}+\frac {x^3 \tanh ^{-1}(a x)}{36 a}-\frac {1}{12} a x^5 \tanh ^{-1}(a x)+\frac {1}{28} a^3 x^7 \tanh ^{-1}(a x)-\frac {\tanh ^{-1}(a x)^2}{24 a^4}+\frac {1}{4} x^4 \tanh ^{-1}(a x)^2-\frac {1}{3} a^2 x^6 \tanh ^{-1}(a x)^2+\frac {1}{8} a^4 x^8 \tanh ^{-1}(a x)^2+\frac {2 \log \left (1-a^2 x^2\right )}{63 a^4}\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 108, normalized size = 0.69 \begin {gather*} \frac {-5 a^2 x^2-6 a^4 x^4+3 a^6 x^6+2 a x \left (21+7 a^2 x^2-21 a^4 x^4+9 a^6 x^6\right ) \tanh ^{-1}(a x)+21 \left (-1+a^2 x^2\right )^3 \left (1+3 a^2 x^2\right ) \tanh ^{-1}(a x)^2+16 \log \left (1-a^2 x^2\right )}{504 a^4} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 1.05, size = 140, normalized size = 0.90
method | result | size |
derivativedivides | \(\frac {\frac {\arctanh \left (a x \right )^{2} a^{8} x^{8}}{8}-\frac {\arctanh \left (a x \right )^{2} a^{6} x^{6}}{3}+\frac {a^{4} x^{4} \arctanh \left (a x \right )^{2}}{4}-\frac {\arctanh \left (a x \right )^{2}}{24}+\frac {\arctanh \left (a x \right ) a^{7} x^{7}}{28}-\frac {\arctanh \left (a x \right ) a^{5} x^{5}}{12}+\frac {a^{3} x^{3} \arctanh \left (a x \right )}{36}+\frac {a x \arctanh \left (a x \right )}{12}+\frac {a^{6} x^{6}}{168}-\frac {a^{4} x^{4}}{84}-\frac {5 a^{2} x^{2}}{504}+\frac {2 \ln \left (a x -1\right )}{63}+\frac {2 \ln \left (a x +1\right )}{63}}{a^{4}}\) | \(140\) |
default | \(\frac {\frac {\arctanh \left (a x \right )^{2} a^{8} x^{8}}{8}-\frac {\arctanh \left (a x \right )^{2} a^{6} x^{6}}{3}+\frac {a^{4} x^{4} \arctanh \left (a x \right )^{2}}{4}-\frac {\arctanh \left (a x \right )^{2}}{24}+\frac {\arctanh \left (a x \right ) a^{7} x^{7}}{28}-\frac {\arctanh \left (a x \right ) a^{5} x^{5}}{12}+\frac {a^{3} x^{3} \arctanh \left (a x \right )}{36}+\frac {a x \arctanh \left (a x \right )}{12}+\frac {a^{6} x^{6}}{168}-\frac {a^{4} x^{4}}{84}-\frac {5 a^{2} x^{2}}{504}+\frac {2 \ln \left (a x -1\right )}{63}+\frac {2 \ln \left (a x +1\right )}{63}}{a^{4}}\) | \(140\) |
risch | \(\frac {\left (3 a^{8} x^{8}-8 a^{6} x^{6}+6 a^{4} x^{4}-1\right ) \ln \left (a x +1\right )^{2}}{96 a^{4}}-\frac {\left (63 a^{8} x^{8} \ln \left (-a x +1\right )-18 a^{7} x^{7}-168 a^{6} x^{6} \ln \left (-a x +1\right )+42 a^{5} x^{5}+126 x^{4} \ln \left (-a x +1\right ) a^{4}-14 a^{3} x^{3}-42 a x -21 \ln \left (-a x +1\right )\right ) \ln \left (a x +1\right )}{1008 a^{4}}+\frac {a^{4} x^{8} \ln \left (-a x +1\right )^{2}}{32}-\frac {a^{3} x^{7} \ln \left (-a x +1\right )}{56}-\frac {a^{2} x^{6} \ln \left (-a x +1\right )^{2}}{12}+\frac {x^{6} a^{2}}{168}+\frac {a \,x^{5} \ln \left (-a x +1\right )}{24}+\frac {x^{4} \ln \left (-a x +1\right )^{2}}{16}-\frac {x^{4}}{84}-\frac {x^{3} \ln \left (-a x +1\right )}{72 a}-\frac {5 x^{2}}{504 a^{2}}-\frac {x \ln \left (-a x +1\right )}{24 a^{3}}-\frac {\ln \left (-a x +1\right )^{2}}{96 a^{4}}+\frac {2 \ln \left (a^{2} x^{2}-1\right )}{63 a^{4}}+\frac {25}{1134 a^{4}}\) | \(294\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.26, size = 170, normalized size = 1.09 \begin {gather*} \frac {1}{504} \, a {\left (\frac {2 \, {\left (9 \, a^{6} x^{7} - 21 \, a^{4} x^{5} + 7 \, a^{2} x^{3} + 21 \, x\right )}}{a^{4}} - \frac {21 \, \log \left (a x + 1\right )}{a^{5}} + \frac {21 \, \log \left (a x - 1\right )}{a^{5}}\right )} \operatorname {artanh}\left (a x\right ) + \frac {1}{24} \, {\left (3 \, a^{4} x^{8} - 8 \, a^{2} x^{6} + 6 \, x^{4}\right )} \operatorname {artanh}\left (a x\right )^{2} + \frac {12 \, a^{6} x^{6} - 24 \, a^{4} x^{4} - 20 \, a^{2} x^{2} - 2 \, {\left (21 \, \log \left (a x - 1\right ) - 32\right )} \log \left (a x + 1\right ) + 21 \, \log \left (a x + 1\right )^{2} + 21 \, \log \left (a x - 1\right )^{2} + 64 \, \log \left (a x - 1\right )}{2016 \, a^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.37, size = 133, normalized size = 0.85 \begin {gather*} \frac {12 \, a^{6} x^{6} - 24 \, a^{4} x^{4} - 20 \, a^{2} x^{2} + 21 \, {\left (3 \, a^{8} x^{8} - 8 \, a^{6} x^{6} + 6 \, a^{4} x^{4} - 1\right )} \log \left (-\frac {a x + 1}{a x - 1}\right )^{2} + 4 \, {\left (9 \, a^{7} x^{7} - 21 \, a^{5} x^{5} + 7 \, a^{3} x^{3} + 21 \, a x\right )} \log \left (-\frac {a x + 1}{a x - 1}\right ) + 64 \, \log \left (a^{2} x^{2} - 1\right )}{2016 \, a^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.75, size = 153, normalized size = 0.98 \begin {gather*} \begin {cases} \frac {a^{4} x^{8} \operatorname {atanh}^{2}{\left (a x \right )}}{8} + \frac {a^{3} x^{7} \operatorname {atanh}{\left (a x \right )}}{28} - \frac {a^{2} x^{6} \operatorname {atanh}^{2}{\left (a x \right )}}{3} + \frac {a^{2} x^{6}}{168} - \frac {a x^{5} \operatorname {atanh}{\left (a x \right )}}{12} + \frac {x^{4} \operatorname {atanh}^{2}{\left (a x \right )}}{4} - \frac {x^{4}}{84} + \frac {x^{3} \operatorname {atanh}{\left (a x \right )}}{36 a} - \frac {5 x^{2}}{504 a^{2}} + \frac {x \operatorname {atanh}{\left (a x \right )}}{12 a^{3}} + \frac {4 \log {\left (x - \frac {1}{a} \right )}}{63 a^{4}} - \frac {\operatorname {atanh}^{2}{\left (a x \right )}}{24 a^{4}} + \frac {4 \operatorname {atanh}{\left (a x \right )}}{63 a^{4}} & \text {for}\: a \neq 0 \\0 & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 683 vs.
\(2 (132) = 264\).
time = 0.42, size = 683, normalized size = 4.38 \begin {gather*} \frac {2}{63} \, {\left (\frac {84 \, {\left (\frac {{\left (a x + 1\right )}^{5}}{{\left (a x - 1\right )}^{5}} + \frac {{\left (a x + 1\right )}^{4}}{{\left (a x - 1\right )}^{4}} + \frac {{\left (a x + 1\right )}^{3}}{{\left (a x - 1\right )}^{3}}\right )} \log \left (-\frac {a x + 1}{a x - 1}\right )^{2}}{\frac {{\left (a x + 1\right )}^{8} a^{5}}{{\left (a x - 1\right )}^{8}} - \frac {8 \, {\left (a x + 1\right )}^{7} a^{5}}{{\left (a x - 1\right )}^{7}} + \frac {28 \, {\left (a x + 1\right )}^{6} a^{5}}{{\left (a x - 1\right )}^{6}} - \frac {56 \, {\left (a x + 1\right )}^{5} a^{5}}{{\left (a x - 1\right )}^{5}} + \frac {70 \, {\left (a x + 1\right )}^{4} a^{5}}{{\left (a x - 1\right )}^{4}} - \frac {56 \, {\left (a x + 1\right )}^{3} a^{5}}{{\left (a x - 1\right )}^{3}} + \frac {28 \, {\left (a x + 1\right )}^{2} a^{5}}{{\left (a x - 1\right )}^{2}} - \frac {8 \, {\left (a x + 1\right )} a^{5}}{a x - 1} + a^{5}} + \frac {2 \, {\left (\frac {28 \, {\left (a x + 1\right )}^{4}}{{\left (a x - 1\right )}^{4}} - \frac {7 \, {\left (a x + 1\right )}^{3}}{{\left (a x - 1\right )}^{3}} + \frac {21 \, {\left (a x + 1\right )}^{2}}{{\left (a x - 1\right )}^{2}} - \frac {7 \, {\left (a x + 1\right )}}{a x - 1} + 1\right )} \log \left (-\frac {a x + 1}{a x - 1}\right )}{\frac {{\left (a x + 1\right )}^{7} a^{5}}{{\left (a x - 1\right )}^{7}} - \frac {7 \, {\left (a x + 1\right )}^{6} a^{5}}{{\left (a x - 1\right )}^{6}} + \frac {21 \, {\left (a x + 1\right )}^{5} a^{5}}{{\left (a x - 1\right )}^{5}} - \frac {35 \, {\left (a x + 1\right )}^{4} a^{5}}{{\left (a x - 1\right )}^{4}} + \frac {35 \, {\left (a x + 1\right )}^{3} a^{5}}{{\left (a x - 1\right )}^{3}} - \frac {21 \, {\left (a x + 1\right )}^{2} a^{5}}{{\left (a x - 1\right )}^{2}} + \frac {7 \, {\left (a x + 1\right )} a^{5}}{a x - 1} - a^{5}} - \frac {\frac {2 \, {\left (a x + 1\right )}^{5}}{{\left (a x - 1\right )}^{5}} - \frac {11 \, {\left (a x + 1\right )}^{4}}{{\left (a x - 1\right )}^{4}} + \frac {6 \, {\left (a x + 1\right )}^{3}}{{\left (a x - 1\right )}^{3}} - \frac {11 \, {\left (a x + 1\right )}^{2}}{{\left (a x - 1\right )}^{2}} + \frac {2 \, {\left (a x + 1\right )}}{a x - 1}}{\frac {{\left (a x + 1\right )}^{6} a^{5}}{{\left (a x - 1\right )}^{6}} - \frac {6 \, {\left (a x + 1\right )}^{5} a^{5}}{{\left (a x - 1\right )}^{5}} + \frac {15 \, {\left (a x + 1\right )}^{4} a^{5}}{{\left (a x - 1\right )}^{4}} - \frac {20 \, {\left (a x + 1\right )}^{3} a^{5}}{{\left (a x - 1\right )}^{3}} + \frac {15 \, {\left (a x + 1\right )}^{2} a^{5}}{{\left (a x - 1\right )}^{2}} - \frac {6 \, {\left (a x + 1\right )} a^{5}}{a x - 1} + a^{5}} - \frac {2 \, \log \left (-\frac {a x + 1}{a x - 1} + 1\right )}{a^{5}} + \frac {2 \, \log \left (-\frac {a x + 1}{a x - 1}\right )}{a^{5}}\right )} a \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.22, size = 221, normalized size = 1.42 \begin {gather*} \frac {2\,\ln \left (a^2\,x^2-1\right )}{63\,a^4}-{\ln \left (1-a\,x\right )}^2\,\left (\frac {1}{96\,a^4}-\frac {x^4}{16}+\frac {a^2\,x^6}{12}-\frac {a^4\,x^8}{32}\right )-\frac {x^4}{84}-{\ln \left (a\,x+1\right )}^2\,\left (\frac {1}{96\,a^4}-\frac {x^4}{16}+\frac {a^2\,x^6}{12}-\frac {a^4\,x^8}{32}\right )-\ln \left (1-a\,x\right )\,\left (\frac {x}{24\,a^3}-\ln \left (a\,x+1\right )\,\left (\frac {1}{48\,a^4}-\frac {x^4}{8}+\frac {a^2\,x^6}{6}-\frac {a^4\,x^8}{16}\right )-\frac {a\,x^5}{24}+\frac {x^3}{72\,a}+\frac {a^3\,x^7}{56}\right )-\frac {5\,x^2}{504\,a^2}+\frac {a^2\,x^6}{168}+a\,\ln \left (a\,x+1\right )\,\left (\frac {x}{24\,a^4}-\frac {x^5}{24}+\frac {x^3}{72\,a^2}+\frac {a^2\,x^7}{56}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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