Optimal. Leaf size=214 \[ \frac {x}{108 \left (1-a^2 x^2\right )^3}+\frac {65 x}{1728 \left (1-a^2 x^2\right )^2}+\frac {245 x}{1152 \left (1-a^2 x^2\right )}+\frac {245 \tanh ^{-1}(a x)}{1152 a}-\frac {\tanh ^{-1}(a x)}{18 a \left (1-a^2 x^2\right )^3}-\frac {5 \tanh ^{-1}(a x)}{48 a \left (1-a^2 x^2\right )^2}-\frac {5 \tanh ^{-1}(a x)}{16 a \left (1-a^2 x^2\right )}+\frac {x \tanh ^{-1}(a x)^2}{6 \left (1-a^2 x^2\right )^3}+\frac {5 x \tanh ^{-1}(a x)^2}{24 \left (1-a^2 x^2\right )^2}+\frac {5 x \tanh ^{-1}(a x)^2}{16 \left (1-a^2 x^2\right )}+\frac {5 \tanh ^{-1}(a x)^3}{48 a} \]
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Rubi [A]
time = 0.12, antiderivative size = 214, normalized size of antiderivative = 1.00, number of steps
used = 13, number of rules used = 5, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.263, Rules used = {6111, 6103,
6141, 205, 212} \begin {gather*} \frac {245 x}{1152 \left (1-a^2 x^2\right )}+\frac {65 x}{1728 \left (1-a^2 x^2\right )^2}+\frac {x}{108 \left (1-a^2 x^2\right )^3}+\frac {5 x \tanh ^{-1}(a x)^2}{16 \left (1-a^2 x^2\right )}+\frac {5 x \tanh ^{-1}(a x)^2}{24 \left (1-a^2 x^2\right )^2}+\frac {x \tanh ^{-1}(a x)^2}{6 \left (1-a^2 x^2\right )^3}-\frac {5 \tanh ^{-1}(a x)}{16 a \left (1-a^2 x^2\right )}-\frac {5 \tanh ^{-1}(a x)}{48 a \left (1-a^2 x^2\right )^2}-\frac {\tanh ^{-1}(a x)}{18 a \left (1-a^2 x^2\right )^3}+\frac {5 \tanh ^{-1}(a x)^3}{48 a}+\frac {245 \tanh ^{-1}(a x)}{1152 a} \end {gather*}
Antiderivative was successfully verified.
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Rule 205
Rule 212
Rule 6103
Rule 6111
Rule 6141
Rubi steps
\begin {align*} \int \frac {\tanh ^{-1}(a x)^2}{\left (1-a^2 x^2\right )^4} \, dx &=-\frac {\tanh ^{-1}(a x)}{18 a \left (1-a^2 x^2\right )^3}+\frac {x \tanh ^{-1}(a x)^2}{6 \left (1-a^2 x^2\right )^3}+\frac {1}{18} \int \frac {1}{\left (1-a^2 x^2\right )^4} \, dx+\frac {5}{6} \int \frac {\tanh ^{-1}(a x)^2}{\left (1-a^2 x^2\right )^3} \, dx\\ &=\frac {x}{108 \left (1-a^2 x^2\right )^3}-\frac {\tanh ^{-1}(a x)}{18 a \left (1-a^2 x^2\right )^3}-\frac {5 \tanh ^{-1}(a x)}{48 a \left (1-a^2 x^2\right )^2}+\frac {x \tanh ^{-1}(a x)^2}{6 \left (1-a^2 x^2\right )^3}+\frac {5 x \tanh ^{-1}(a x)^2}{24 \left (1-a^2 x^2\right )^2}+\frac {5}{108} \int \frac {1}{\left (1-a^2 x^2\right )^3} \, dx+\frac {5}{48} \int \frac {1}{\left (1-a^2 x^2\right )^3} \, dx+\frac {5}{8} \int \frac {\tanh ^{-1}(a x)^2}{\left (1-a^2 x^2\right )^2} \, dx\\ &=\frac {x}{108 \left (1-a^2 x^2\right )^3}+\frac {65 x}{1728 \left (1-a^2 x^2\right )^2}-\frac {\tanh ^{-1}(a x)}{18 a \left (1-a^2 x^2\right )^3}-\frac {5 \tanh ^{-1}(a x)}{48 a \left (1-a^2 x^2\right )^2}+\frac {x \tanh ^{-1}(a x)^2}{6 \left (1-a^2 x^2\right )^3}+\frac {5 x \tanh ^{-1}(a x)^2}{24 \left (1-a^2 x^2\right )^2}+\frac {5 x \tanh ^{-1}(a x)^2}{16 \left (1-a^2 x^2\right )}+\frac {5 \tanh ^{-1}(a x)^3}{48 a}+\frac {5}{144} \int \frac {1}{\left (1-a^2 x^2\right )^2} \, dx+\frac {5}{64} \int \frac {1}{\left (1-a^2 x^2\right )^2} \, dx-\frac {1}{8} (5 a) \int \frac {x \tanh ^{-1}(a x)}{\left (1-a^2 x^2\right )^2} \, dx\\ &=\frac {x}{108 \left (1-a^2 x^2\right )^3}+\frac {65 x}{1728 \left (1-a^2 x^2\right )^2}+\frac {65 x}{1152 \left (1-a^2 x^2\right )}-\frac {\tanh ^{-1}(a x)}{18 a \left (1-a^2 x^2\right )^3}-\frac {5 \tanh ^{-1}(a x)}{48 a \left (1-a^2 x^2\right )^2}-\frac {5 \tanh ^{-1}(a x)}{16 a \left (1-a^2 x^2\right )}+\frac {x \tanh ^{-1}(a x)^2}{6 \left (1-a^2 x^2\right )^3}+\frac {5 x \tanh ^{-1}(a x)^2}{24 \left (1-a^2 x^2\right )^2}+\frac {5 x \tanh ^{-1}(a x)^2}{16 \left (1-a^2 x^2\right )}+\frac {5 \tanh ^{-1}(a x)^3}{48 a}+\frac {5}{288} \int \frac {1}{1-a^2 x^2} \, dx+\frac {5}{128} \int \frac {1}{1-a^2 x^2} \, dx+\frac {5}{16} \int \frac {1}{\left (1-a^2 x^2\right )^2} \, dx\\ &=\frac {x}{108 \left (1-a^2 x^2\right )^3}+\frac {65 x}{1728 \left (1-a^2 x^2\right )^2}+\frac {245 x}{1152 \left (1-a^2 x^2\right )}+\frac {65 \tanh ^{-1}(a x)}{1152 a}-\frac {\tanh ^{-1}(a x)}{18 a \left (1-a^2 x^2\right )^3}-\frac {5 \tanh ^{-1}(a x)}{48 a \left (1-a^2 x^2\right )^2}-\frac {5 \tanh ^{-1}(a x)}{16 a \left (1-a^2 x^2\right )}+\frac {x \tanh ^{-1}(a x)^2}{6 \left (1-a^2 x^2\right )^3}+\frac {5 x \tanh ^{-1}(a x)^2}{24 \left (1-a^2 x^2\right )^2}+\frac {5 x \tanh ^{-1}(a x)^2}{16 \left (1-a^2 x^2\right )}+\frac {5 \tanh ^{-1}(a x)^3}{48 a}+\frac {5}{32} \int \frac {1}{1-a^2 x^2} \, dx\\ &=\frac {x}{108 \left (1-a^2 x^2\right )^3}+\frac {65 x}{1728 \left (1-a^2 x^2\right )^2}+\frac {245 x}{1152 \left (1-a^2 x^2\right )}+\frac {245 \tanh ^{-1}(a x)}{1152 a}-\frac {\tanh ^{-1}(a x)}{18 a \left (1-a^2 x^2\right )^3}-\frac {5 \tanh ^{-1}(a x)}{48 a \left (1-a^2 x^2\right )^2}-\frac {5 \tanh ^{-1}(a x)}{16 a \left (1-a^2 x^2\right )}+\frac {x \tanh ^{-1}(a x)^2}{6 \left (1-a^2 x^2\right )^3}+\frac {5 x \tanh ^{-1}(a x)^2}{24 \left (1-a^2 x^2\right )^2}+\frac {5 x \tanh ^{-1}(a x)^2}{16 \left (1-a^2 x^2\right )}+\frac {5 \tanh ^{-1}(a x)^3}{48 a}\\ \end {align*}
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Mathematica [A]
time = 0.08, size = 157, normalized size = 0.73 \begin {gather*} \frac {-\frac {64 x}{\left (-1+a^2 x^2\right )^3}+\frac {260 x}{\left (-1+a^2 x^2\right )^2}-\frac {1470 x}{-1+a^2 x^2}+\frac {48 \left (68-105 a^2 x^2+45 a^4 x^4\right ) \tanh ^{-1}(a x)}{a \left (-1+a^2 x^2\right )^3}-\frac {144 x \left (33-40 a^2 x^2+15 a^4 x^4\right ) \tanh ^{-1}(a x)^2}{\left (-1+a^2 x^2\right )^3}+\frac {720 \tanh ^{-1}(a x)^3}{a}-\frac {735 \log (1-a x)}{a}+\frac {735 \log (1+a x)}{a}}{6912} \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains higher order function than in optimal. Order 9 vs. order
3.
time = 10.11, size = 2716, normalized size = 12.69
method | result | size |
risch | \(\frac {5 \ln \left (a x +1\right )^{3}}{384 a}-\frac {\left (15 a^{6} x^{6} \ln \left (-a x +1\right )+30 a^{5} x^{5}-45 x^{4} \ln \left (-a x +1\right ) a^{4}-80 a^{3} x^{3}+45 x^{2} \ln \left (-a x +1\right ) a^{2}+66 a x -15 \ln \left (-a x +1\right )\right ) \ln \left (a x +1\right )^{2}}{384 \left (a^{2} x^{2}-1\right )^{3} a}+\frac {\left (45 a^{6} x^{6} \ln \left (-a x +1\right )^{2}+180 x^{5} \ln \left (-a x +1\right ) a^{5}-135 a^{4} x^{4} \ln \left (-a x +1\right )^{2}+180 a^{4} x^{4}-480 a^{3} x^{3} \ln \left (-a x +1\right )+135 a^{2} x^{2} \ln \left (-a x +1\right )^{2}-420 a^{2} x^{2}+396 a x \ln \left (-a x +1\right )-45 \ln \left (-a x +1\right )^{2}+272\right ) \ln \left (a x +1\right )}{1152 \left (a^{2} x^{2}-1\right )^{2} a \left (a x -1\right ) \left (a x +1\right )}+\frac {-90 a^{6} x^{6} \ln \left (-a x +1\right )^{3}+735 \ln \left (-a x -1\right ) a^{6} x^{6}-735 \ln \left (a x -1\right ) a^{6} x^{6}-540 a^{5} x^{5} \ln \left (-a x +1\right )^{2}+270 a^{4} x^{4} \ln \left (-a x +1\right )^{3}-1470 a^{5} x^{5}-2205 \ln \left (-a x -1\right ) a^{4} x^{4}+2205 \ln \left (a x -1\right ) a^{4} x^{4}-1080 x^{4} \ln \left (-a x +1\right ) a^{4}+1440 a^{3} x^{3} \ln \left (-a x +1\right )^{2}-270 a^{2} x^{2} \ln \left (-a x +1\right )^{3}+3200 a^{3} x^{3}+2205 \ln \left (-a x -1\right ) a^{2} x^{2}-2205 \ln \left (a x -1\right ) a^{2} x^{2}+2520 x^{2} \ln \left (-a x +1\right ) a^{2}-1188 a \ln \left (-a x +1\right )^{2} x +90 \ln \left (-a x +1\right )^{3}-1794 a x -735 \ln \left (-a x -1\right )+735 \ln \left (a x -1\right )-1632 \ln \left (-a x +1\right )}{6912 a \left (a^{2} x^{2}-1\right ) \left (a x +1\right )^{2} \left (a x -1\right )^{2}}\) | \(574\) |
derivativedivides | \(\text {Expression too large to display}\) | \(2716\) |
default | \(\text {Expression too large to display}\) | \(2716\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 516 vs.
\(2 (183) = 366\).
time = 0.29, size = 516, normalized size = 2.41 \begin {gather*} -\frac {1}{96} \, {\left (\frac {2 \, {\left (15 \, a^{4} x^{5} - 40 \, a^{2} x^{3} + 33 \, x\right )}}{a^{6} x^{6} - 3 \, a^{4} x^{4} + 3 \, a^{2} x^{2} - 1} - \frac {15 \, \log \left (a x + 1\right )}{a} + \frac {15 \, \log \left (a x - 1\right )}{a}\right )} \operatorname {artanh}\left (a x\right )^{2} - \frac {{\left (1470 \, a^{5} x^{5} - 3200 \, a^{3} x^{3} - 90 \, {\left (a^{6} x^{6} - 3 \, a^{4} x^{4} + 3 \, a^{2} x^{2} - 1\right )} \log \left (a x + 1\right )^{3} + 270 \, {\left (a^{6} x^{6} - 3 \, a^{4} x^{4} + 3 \, a^{2} x^{2} - 1\right )} \log \left (a x + 1\right )^{2} \log \left (a x - 1\right ) + 90 \, {\left (a^{6} x^{6} - 3 \, a^{4} x^{4} + 3 \, a^{2} x^{2} - 1\right )} \log \left (a x - 1\right )^{3} + 1794 \, a x - 15 \, {\left (49 \, a^{6} x^{6} - 147 \, a^{4} x^{4} + 147 \, a^{2} x^{2} + 18 \, {\left (a^{6} x^{6} - 3 \, a^{4} x^{4} + 3 \, a^{2} x^{2} - 1\right )} \log \left (a x - 1\right )^{2} - 49\right )} \log \left (a x + 1\right ) + 735 \, {\left (a^{6} x^{6} - 3 \, a^{4} x^{4} + 3 \, a^{2} x^{2} - 1\right )} \log \left (a x - 1\right )\right )} a^{2}}{6912 \, {\left (a^{9} x^{6} - 3 \, a^{7} x^{4} + 3 \, a^{5} x^{2} - a^{3}\right )}} + \frac {{\left (180 \, a^{4} x^{4} - 420 \, a^{2} x^{2} - 45 \, {\left (a^{6} x^{6} - 3 \, a^{4} x^{4} + 3 \, a^{2} x^{2} - 1\right )} \log \left (a x + 1\right )^{2} + 90 \, {\left (a^{6} x^{6} - 3 \, a^{4} x^{4} + 3 \, a^{2} x^{2} - 1\right )} \log \left (a x + 1\right ) \log \left (a x - 1\right ) - 45 \, {\left (a^{6} x^{6} - 3 \, a^{4} x^{4} + 3 \, a^{2} x^{2} - 1\right )} \log \left (a x - 1\right )^{2} + 272\right )} a \operatorname {artanh}\left (a x\right )}{576 \, {\left (a^{8} x^{6} - 3 \, a^{6} x^{4} + 3 \, a^{4} x^{2} - a^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.39, size = 179, normalized size = 0.84 \begin {gather*} -\frac {1470 \, a^{5} x^{5} - 3200 \, a^{3} x^{3} - 90 \, {\left (a^{6} x^{6} - 3 \, a^{4} x^{4} + 3 \, a^{2} x^{2} - 1\right )} \log \left (-\frac {a x + 1}{a x - 1}\right )^{3} + 36 \, {\left (15 \, a^{5} x^{5} - 40 \, a^{3} x^{3} + 33 \, a x\right )} \log \left (-\frac {a x + 1}{a x - 1}\right )^{2} + 1794 \, a x - 3 \, {\left (245 \, a^{6} x^{6} - 375 \, a^{4} x^{4} - 105 \, a^{2} x^{2} + 299\right )} \log \left (-\frac {a x + 1}{a x - 1}\right )}{6912 \, {\left (a^{7} x^{6} - 3 \, a^{5} x^{4} + 3 \, a^{3} x^{2} - a\right )}} \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 \frac {\operatorname {atanh}^{2}{\left (a x \right )}}{\left (a x - 1\right )^{4} \left (a x + 1\right )^{4}}\, 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 = 2.49, size = 493, normalized size = 2.30 \begin {gather*} {\ln \left (1-a\,x\right )}^2\,\left (\frac {5\,\ln \left (a\,x+1\right )}{128\,a}-\frac {\frac {5\,a^4\,x^5}{16}-\frac {5\,a^2\,x^3}{6}+\frac {11\,x}{16}}{4\,a^6\,x^6-12\,a^4\,x^4+12\,a^2\,x^2-4}\right )-\frac {\frac {245\,a^4\,x^5}{8}-\frac {200\,a^2\,x^3}{3}+\frac {299\,x}{8}}{144\,a^6\,x^6-432\,a^4\,x^4+432\,a^2\,x^2-144}-\ln \left (1-a\,x\right )\,\left (\frac {5\,{\ln \left (a\,x+1\right )}^2}{128\,a}+\frac {\frac {37\,x}{2}-35\,a\,x^2+\frac {68}{3\,a}-\frac {82\,a^2\,x^3}{3}+15\,a^3\,x^4+\frac {23\,a^4\,x^5}{2}}{192\,a^6\,x^6-576\,a^4\,x^4+576\,a^2\,x^2-192}-\frac {\frac {37\,x}{2}+35\,a\,x^2-\frac {68}{3\,a}-\frac {82\,a^2\,x^3}{3}-15\,a^3\,x^4+\frac {23\,a^4\,x^5}{2}}{192\,a^6\,x^6-576\,a^4\,x^4+576\,a^2\,x^2-192}-\frac {\ln \left (a\,x+1\right )\,\left (10\,a^4\,x^5-\frac {80\,a^2\,x^3}{3}+22\,x\right )}{64\,a^6\,x^6-192\,a^4\,x^4+192\,a^2\,x^2-64}\right )+\frac {5\,{\ln \left (a\,x+1\right )}^3}{384\,a}-\frac {5\,{\ln \left (1-a\,x\right )}^3}{384\,a}+\frac {\ln \left (a\,x+1\right )\,\left (\frac {17}{72\,a^2}-\frac {35\,x^2}{96}+\frac {5\,a^2\,x^4}{32}\right )}{3\,a\,x^2-\frac {1}{a}-3\,a^3\,x^4+a^5\,x^6}-\frac {{\ln \left (a\,x+1\right )}^2\,\left (\frac {11\,x}{64\,a}-\frac {5\,a\,x^3}{24}+\frac {5\,a^3\,x^5}{64}\right )}{3\,a\,x^2-\frac {1}{a}-3\,a^3\,x^4+a^5\,x^6}-\frac {\mathrm {atan}\left (a\,x\,1{}\mathrm {i}\right )\,245{}\mathrm {i}}{1152\,a} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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