Optimal. Leaf size=183 \[ -\frac {a^2}{105 x^5}+\frac {17 a^4}{630 x^3}+\frac {a^6}{210 x}-\frac {1}{210} a^7 \tanh ^{-1}(a x)-\frac {a \tanh ^{-1}(a x)}{21 x^6}+\frac {9 a^3 \tanh ^{-1}(a x)}{70 x^4}-\frac {8 a^5 \tanh ^{-1}(a x)}{105 x^2}+\frac {8}{105} a^7 \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{7 x^7}+\frac {2 a^2 \tanh ^{-1}(a x)^2}{5 x^5}-\frac {a^4 \tanh ^{-1}(a x)^2}{3 x^3}+\frac {16}{105} a^7 \tanh ^{-1}(a x) \log \left (2-\frac {2}{1+a x}\right )-\frac {8}{105} a^7 \text {PolyLog}\left (2,-1+\frac {2}{1+a x}\right ) \]
[Out]
________________________________________________________________________________________
Rubi [A]
time = 0.75, antiderivative size = 183, normalized size of antiderivative = 1.00, number of steps
used = 42, number of rules used = 8, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.364, Rules used = {6159, 6037,
6129, 331, 212, 6135, 6079, 2497} \begin {gather*} -\frac {8}{105} a^7 \text {Li}_2\left (\frac {2}{a x+1}-1\right )+\frac {8}{105} a^7 \tanh ^{-1}(a x)^2-\frac {1}{210} a^7 \tanh ^{-1}(a x)+\frac {16}{105} a^7 \log \left (2-\frac {2}{a x+1}\right ) \tanh ^{-1}(a x)+\frac {a^6}{210 x}-\frac {8 a^5 \tanh ^{-1}(a x)}{105 x^2}+\frac {17 a^4}{630 x^3}-\frac {a^4 \tanh ^{-1}(a x)^2}{3 x^3}+\frac {9 a^3 \tanh ^{-1}(a x)}{70 x^4}-\frac {a^2}{105 x^5}+\frac {2 a^2 \tanh ^{-1}(a x)^2}{5 x^5}-\frac {\tanh ^{-1}(a x)^2}{7 x^7}-\frac {a \tanh ^{-1}(a x)}{21 x^6} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 212
Rule 331
Rule 2497
Rule 6037
Rule 6079
Rule 6129
Rule 6135
Rule 6159
Rubi steps
\begin {align*} \int \frac {\left (1-a^2 x^2\right )^2 \tanh ^{-1}(a x)^2}{x^8} \, dx &=\int \left (\frac {\tanh ^{-1}(a x)^2}{x^8}-\frac {2 a^2 \tanh ^{-1}(a x)^2}{x^6}+\frac {a^4 \tanh ^{-1}(a x)^2}{x^4}\right ) \, dx\\ &=-\left (\left (2 a^2\right ) \int \frac {\tanh ^{-1}(a x)^2}{x^6} \, dx\right )+a^4 \int \frac {\tanh ^{-1}(a x)^2}{x^4} \, dx+\int \frac {\tanh ^{-1}(a x)^2}{x^8} \, dx\\ &=-\frac {\tanh ^{-1}(a x)^2}{7 x^7}+\frac {2 a^2 \tanh ^{-1}(a x)^2}{5 x^5}-\frac {a^4 \tanh ^{-1}(a x)^2}{3 x^3}+\frac {1}{7} (2 a) \int \frac {\tanh ^{-1}(a x)}{x^7 \left (1-a^2 x^2\right )} \, dx-\frac {1}{5} \left (4 a^3\right ) \int \frac {\tanh ^{-1}(a x)}{x^5 \left (1-a^2 x^2\right )} \, dx+\frac {1}{3} \left (2 a^5\right ) \int \frac {\tanh ^{-1}(a x)}{x^3 \left (1-a^2 x^2\right )} \, dx\\ &=-\frac {\tanh ^{-1}(a x)^2}{7 x^7}+\frac {2 a^2 \tanh ^{-1}(a x)^2}{5 x^5}-\frac {a^4 \tanh ^{-1}(a x)^2}{3 x^3}+\frac {1}{7} (2 a) \int \frac {\tanh ^{-1}(a x)}{x^7} \, dx+\frac {1}{7} \left (2 a^3\right ) \int \frac {\tanh ^{-1}(a x)}{x^5 \left (1-a^2 x^2\right )} \, dx-\frac {1}{5} \left (4 a^3\right ) \int \frac {\tanh ^{-1}(a x)}{x^5} \, dx+\frac {1}{3} \left (2 a^5\right ) \int \frac {\tanh ^{-1}(a x)}{x^3} \, dx-\frac {1}{5} \left (4 a^5\right ) \int \frac {\tanh ^{-1}(a x)}{x^3 \left (1-a^2 x^2\right )} \, dx+\frac {1}{3} \left (2 a^7\right ) \int \frac {\tanh ^{-1}(a x)}{x \left (1-a^2 x^2\right )} \, dx\\ &=-\frac {a \tanh ^{-1}(a x)}{21 x^6}+\frac {a^3 \tanh ^{-1}(a x)}{5 x^4}-\frac {a^5 \tanh ^{-1}(a x)}{3 x^2}+\frac {1}{3} a^7 \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{7 x^7}+\frac {2 a^2 \tanh ^{-1}(a x)^2}{5 x^5}-\frac {a^4 \tanh ^{-1}(a x)^2}{3 x^3}+\frac {1}{21} a^2 \int \frac {1}{x^6 \left (1-a^2 x^2\right )} \, dx+\frac {1}{7} \left (2 a^3\right ) \int \frac {\tanh ^{-1}(a x)}{x^5} \, dx-\frac {1}{5} a^4 \int \frac {1}{x^4 \left (1-a^2 x^2\right )} \, dx+\frac {1}{7} \left (2 a^5\right ) \int \frac {\tanh ^{-1}(a x)}{x^3 \left (1-a^2 x^2\right )} \, dx-\frac {1}{5} \left (4 a^5\right ) \int \frac {\tanh ^{-1}(a x)}{x^3} \, dx+\frac {1}{3} a^6 \int \frac {1}{x^2 \left (1-a^2 x^2\right )} \, dx+\frac {1}{3} \left (2 a^7\right ) \int \frac {\tanh ^{-1}(a x)}{x (1+a x)} \, dx-\frac {1}{5} \left (4 a^7\right ) \int \frac {\tanh ^{-1}(a x)}{x \left (1-a^2 x^2\right )} \, dx\\ &=-\frac {a^2}{105 x^5}+\frac {a^4}{15 x^3}-\frac {a^6}{3 x}-\frac {a \tanh ^{-1}(a x)}{21 x^6}+\frac {9 a^3 \tanh ^{-1}(a x)}{70 x^4}+\frac {a^5 \tanh ^{-1}(a x)}{15 x^2}-\frac {1}{15} a^7 \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{7 x^7}+\frac {2 a^2 \tanh ^{-1}(a x)^2}{5 x^5}-\frac {a^4 \tanh ^{-1}(a x)^2}{3 x^3}+\frac {2}{3} a^7 \tanh ^{-1}(a x) \log \left (2-\frac {2}{1+a x}\right )+\frac {1}{21} a^4 \int \frac {1}{x^4 \left (1-a^2 x^2\right )} \, dx+\frac {1}{14} a^4 \int \frac {1}{x^4 \left (1-a^2 x^2\right )} \, dx+\frac {1}{7} \left (2 a^5\right ) \int \frac {\tanh ^{-1}(a x)}{x^3} \, dx-\frac {1}{5} a^6 \int \frac {1}{x^2 \left (1-a^2 x^2\right )} \, dx-\frac {1}{5} \left (2 a^6\right ) \int \frac {1}{x^2 \left (1-a^2 x^2\right )} \, dx+\frac {1}{7} \left (2 a^7\right ) \int \frac {\tanh ^{-1}(a x)}{x \left (1-a^2 x^2\right )} \, dx-\frac {1}{5} \left (4 a^7\right ) \int \frac {\tanh ^{-1}(a x)}{x (1+a x)} \, dx+\frac {1}{3} a^8 \int \frac {1}{1-a^2 x^2} \, dx-\frac {1}{3} \left (2 a^8\right ) \int \frac {\log \left (2-\frac {2}{1+a x}\right )}{1-a^2 x^2} \, dx\\ &=-\frac {a^2}{105 x^5}+\frac {17 a^4}{630 x^3}+\frac {4 a^6}{15 x}+\frac {1}{3} a^7 \tanh ^{-1}(a x)-\frac {a \tanh ^{-1}(a x)}{21 x^6}+\frac {9 a^3 \tanh ^{-1}(a x)}{70 x^4}-\frac {8 a^5 \tanh ^{-1}(a x)}{105 x^2}+\frac {8}{105} a^7 \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{7 x^7}+\frac {2 a^2 \tanh ^{-1}(a x)^2}{5 x^5}-\frac {a^4 \tanh ^{-1}(a x)^2}{3 x^3}-\frac {2}{15} a^7 \tanh ^{-1}(a x) \log \left (2-\frac {2}{1+a x}\right )-\frac {1}{3} a^7 \text {Li}_2\left (-1+\frac {2}{1+a x}\right )+\frac {1}{21} a^6 \int \frac {1}{x^2 \left (1-a^2 x^2\right )} \, dx+\frac {1}{14} a^6 \int \frac {1}{x^2 \left (1-a^2 x^2\right )} \, dx+\frac {1}{7} a^6 \int \frac {1}{x^2 \left (1-a^2 x^2\right )} \, dx+\frac {1}{7} \left (2 a^7\right ) \int \frac {\tanh ^{-1}(a x)}{x (1+a x)} \, dx-\frac {1}{5} a^8 \int \frac {1}{1-a^2 x^2} \, dx-\frac {1}{5} \left (2 a^8\right ) \int \frac {1}{1-a^2 x^2} \, dx+\frac {1}{5} \left (4 a^8\right ) \int \frac {\log \left (2-\frac {2}{1+a x}\right )}{1-a^2 x^2} \, dx\\ &=-\frac {a^2}{105 x^5}+\frac {17 a^4}{630 x^3}+\frac {a^6}{210 x}-\frac {4}{15} a^7 \tanh ^{-1}(a x)-\frac {a \tanh ^{-1}(a x)}{21 x^6}+\frac {9 a^3 \tanh ^{-1}(a x)}{70 x^4}-\frac {8 a^5 \tanh ^{-1}(a x)}{105 x^2}+\frac {8}{105} a^7 \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{7 x^7}+\frac {2 a^2 \tanh ^{-1}(a x)^2}{5 x^5}-\frac {a^4 \tanh ^{-1}(a x)^2}{3 x^3}+\frac {16}{105} a^7 \tanh ^{-1}(a x) \log \left (2-\frac {2}{1+a x}\right )+\frac {1}{15} a^7 \text {Li}_2\left (-1+\frac {2}{1+a x}\right )+\frac {1}{21} a^8 \int \frac {1}{1-a^2 x^2} \, dx+\frac {1}{14} a^8 \int \frac {1}{1-a^2 x^2} \, dx+\frac {1}{7} a^8 \int \frac {1}{1-a^2 x^2} \, dx-\frac {1}{7} \left (2 a^8\right ) \int \frac {\log \left (2-\frac {2}{1+a x}\right )}{1-a^2 x^2} \, dx\\ &=-\frac {a^2}{105 x^5}+\frac {17 a^4}{630 x^3}+\frac {a^6}{210 x}-\frac {1}{210} a^7 \tanh ^{-1}(a x)-\frac {a \tanh ^{-1}(a x)}{21 x^6}+\frac {9 a^3 \tanh ^{-1}(a x)}{70 x^4}-\frac {8 a^5 \tanh ^{-1}(a x)}{105 x^2}+\frac {8}{105} a^7 \tanh ^{-1}(a x)^2-\frac {\tanh ^{-1}(a x)^2}{7 x^7}+\frac {2 a^2 \tanh ^{-1}(a x)^2}{5 x^5}-\frac {a^4 \tanh ^{-1}(a x)^2}{3 x^3}+\frac {16}{105} a^7 \tanh ^{-1}(a x) \log \left (2-\frac {2}{1+a x}\right )-\frac {8}{105} a^7 \text {Li}_2\left (-1+\frac {2}{1+a x}\right )\\ \end {align*}
________________________________________________________________________________________
Mathematica [A]
time = 1.01, size = 140, normalized size = 0.77 \begin {gather*} \frac {a^2 x^2 \left (-6+17 a^2 x^2+3 a^4 x^4\right )+6 \left (-15+42 a^2 x^2-35 a^4 x^4+8 a^7 x^7\right ) \tanh ^{-1}(a x)^2+3 a x \tanh ^{-1}(a x) \left (-10+27 a^2 x^2-16 a^4 x^4-a^6 x^6+32 a^6 x^6 \log \left (1-e^{-2 \tanh ^{-1}(a x)}\right )\right )-48 a^7 x^7 \text {PolyLog}\left (2,e^{-2 \tanh ^{-1}(a x)}\right )}{630 x^7} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A]
time = 0.28, size = 253, normalized size = 1.38
method | result | size |
derivativedivides | \(a^{7} \left (-\frac {\arctanh \left (a x \right )^{2}}{3 a^{3} x^{3}}-\frac {\arctanh \left (a x \right )^{2}}{7 a^{7} x^{7}}+\frac {2 \arctanh \left (a x \right )^{2}}{5 a^{5} x^{5}}-\frac {\arctanh \left (a x \right )}{21 a^{6} x^{6}}+\frac {9 \arctanh \left (a x \right )}{70 a^{4} x^{4}}-\frac {8 \arctanh \left (a x \right )}{105 a^{2} x^{2}}+\frac {16 \arctanh \left (a x \right ) \ln \left (a x \right )}{105}-\frac {8 \arctanh \left (a x \right ) \ln \left (a x -1\right )}{105}-\frac {8 \arctanh \left (a x \right ) \ln \left (a x +1\right )}{105}-\frac {8 \dilog \left (a x +1\right )}{105}-\frac {8 \ln \left (a x \right ) \ln \left (a x +1\right )}{105}-\frac {8 \dilog \left (a x \right )}{105}-\frac {2 \ln \left (a x -1\right )^{2}}{105}+\frac {8 \dilog \left (\frac {a x}{2}+\frac {1}{2}\right )}{105}+\frac {4 \ln \left (a x -1\right ) \ln \left (\frac {a x}{2}+\frac {1}{2}\right )}{105}+\frac {2 \ln \left (a x +1\right )^{2}}{105}-\frac {4 \left (\ln \left (a x +1\right )-\ln \left (\frac {a x}{2}+\frac {1}{2}\right )\right ) \ln \left (-\frac {a x}{2}+\frac {1}{2}\right )}{105}+\frac {1}{210 a x}-\frac {1}{105 a^{5} x^{5}}+\frac {17}{630 a^{3} x^{3}}+\frac {\ln \left (a x -1\right )}{420}-\frac {\ln \left (a x +1\right )}{420}\right )\) | \(253\) |
default | \(a^{7} \left (-\frac {\arctanh \left (a x \right )^{2}}{3 a^{3} x^{3}}-\frac {\arctanh \left (a x \right )^{2}}{7 a^{7} x^{7}}+\frac {2 \arctanh \left (a x \right )^{2}}{5 a^{5} x^{5}}-\frac {\arctanh \left (a x \right )}{21 a^{6} x^{6}}+\frac {9 \arctanh \left (a x \right )}{70 a^{4} x^{4}}-\frac {8 \arctanh \left (a x \right )}{105 a^{2} x^{2}}+\frac {16 \arctanh \left (a x \right ) \ln \left (a x \right )}{105}-\frac {8 \arctanh \left (a x \right ) \ln \left (a x -1\right )}{105}-\frac {8 \arctanh \left (a x \right ) \ln \left (a x +1\right )}{105}-\frac {8 \dilog \left (a x +1\right )}{105}-\frac {8 \ln \left (a x \right ) \ln \left (a x +1\right )}{105}-\frac {8 \dilog \left (a x \right )}{105}-\frac {2 \ln \left (a x -1\right )^{2}}{105}+\frac {8 \dilog \left (\frac {a x}{2}+\frac {1}{2}\right )}{105}+\frac {4 \ln \left (a x -1\right ) \ln \left (\frac {a x}{2}+\frac {1}{2}\right )}{105}+\frac {2 \ln \left (a x +1\right )^{2}}{105}-\frac {4 \left (\ln \left (a x +1\right )-\ln \left (\frac {a x}{2}+\frac {1}{2}\right )\right ) \ln \left (-\frac {a x}{2}+\frac {1}{2}\right )}{105}+\frac {1}{210 a x}-\frac {1}{105 a^{5} x^{5}}+\frac {17}{630 a^{3} x^{3}}+\frac {\ln \left (a x -1\right )}{420}-\frac {\ln \left (a x +1\right )}{420}\right )\) | \(253\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A]
time = 0.26, size = 254, normalized size = 1.39 \begin {gather*} \frac {1}{1260} \, {\left (96 \, {\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^{5} - 96 \, {\left (\log \left (a x + 1\right ) \log \left (x\right ) + {\rm Li}_2\left (-a x\right )\right )} a^{5} + 96 \, {\left (\log \left (-a x + 1\right ) \log \left (x\right ) + {\rm Li}_2\left (a x\right )\right )} a^{5} - 3 \, a^{5} \log \left (a x + 1\right ) + 3 \, a^{5} \log \left (a x - 1\right ) + \frac {2 \, {\left (12 \, a^{5} x^{5} \log \left (a x + 1\right )^{2} - 24 \, a^{5} x^{5} \log \left (a x + 1\right ) \log \left (a x - 1\right ) - 12 \, a^{5} x^{5} \log \left (a x - 1\right )^{2} + 3 \, a^{4} x^{4} + 17 \, a^{2} x^{2} - 6\right )}}{x^{5}}\right )} a^{2} - \frac {1}{210} \, {\left (16 \, a^{6} \log \left (a^{2} x^{2} - 1\right ) - 16 \, a^{6} \log \left (x^{2}\right ) + \frac {16 \, a^{4} x^{4} - 27 \, a^{2} x^{2} + 10}{x^{6}}\right )} a \operatorname {artanh}\left (a x\right ) - \frac {{\left (35 \, a^{4} x^{4} - 42 \, a^{2} x^{2} + 15\right )} \operatorname {artanh}\left (a x\right )^{2}}{105 \, x^{7}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [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.
[In]
[Out]
________________________________________________________________________________________
Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\left (a x - 1\right )^{2} \left (a x + 1\right )^{2} \operatorname {atanh}^{2}{\left (a x \right )}}{x^{8}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
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.
[In]
[Out]
________________________________________________________________________________________
Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {{\mathrm {atanh}\left (a\,x\right )}^2\,{\left (a^2\,x^2-1\right )}^2}{x^8} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________