Optimal. Leaf size=151 \[ \frac {15 x}{64 \left (1-a^2 x^2\right )}+\frac {x}{32 \left (1-a^2 x^2\right )^2}+\frac {3 x \tanh ^{-1}(a x)^2}{8 \left (1-a^2 x^2\right )}+\frac {x \tanh ^{-1}(a x)^2}{4 \left (1-a^2 x^2\right )^2}-\frac {3 \tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )}-\frac {\tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )^2}+\frac {\tanh ^{-1}(a x)^3}{8 a}+\frac {15 \tanh ^{-1}(a x)}{64 a} \]
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Rubi [A] time = 0.11, antiderivative size = 151, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 5, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.263, Rules used = {5964, 5956, 5994, 199, 206} \[ \frac {15 x}{64 \left (1-a^2 x^2\right )}+\frac {x}{32 \left (1-a^2 x^2\right )^2}+\frac {3 x \tanh ^{-1}(a x)^2}{8 \left (1-a^2 x^2\right )}+\frac {x \tanh ^{-1}(a x)^2}{4 \left (1-a^2 x^2\right )^2}-\frac {3 \tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )}-\frac {\tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )^2}+\frac {\tanh ^{-1}(a x)^3}{8 a}+\frac {15 \tanh ^{-1}(a x)}{64 a} \]
Antiderivative was successfully verified.
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Rule 199
Rule 206
Rule 5956
Rule 5964
Rule 5994
Rubi steps
\begin {align*} \int \frac {\tanh ^{-1}(a x)^2}{\left (1-a^2 x^2\right )^3} \, dx &=-\frac {\tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )^2}+\frac {x \tanh ^{-1}(a x)^2}{4 \left (1-a^2 x^2\right )^2}+\frac {1}{8} \int \frac {1}{\left (1-a^2 x^2\right )^3} \, dx+\frac {3}{4} \int \frac {\tanh ^{-1}(a x)^2}{\left (1-a^2 x^2\right )^2} \, dx\\ &=\frac {x}{32 \left (1-a^2 x^2\right )^2}-\frac {\tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )^2}+\frac {x \tanh ^{-1}(a x)^2}{4 \left (1-a^2 x^2\right )^2}+\frac {3 x \tanh ^{-1}(a x)^2}{8 \left (1-a^2 x^2\right )}+\frac {\tanh ^{-1}(a x)^3}{8 a}+\frac {3}{32} \int \frac {1}{\left (1-a^2 x^2\right )^2} \, dx-\frac {1}{4} (3 a) \int \frac {x \tanh ^{-1}(a x)}{\left (1-a^2 x^2\right )^2} \, dx\\ &=\frac {x}{32 \left (1-a^2 x^2\right )^2}+\frac {3 x}{64 \left (1-a^2 x^2\right )}-\frac {\tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )^2}-\frac {3 \tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )}+\frac {x \tanh ^{-1}(a x)^2}{4 \left (1-a^2 x^2\right )^2}+\frac {3 x \tanh ^{-1}(a x)^2}{8 \left (1-a^2 x^2\right )}+\frac {\tanh ^{-1}(a x)^3}{8 a}+\frac {3}{64} \int \frac {1}{1-a^2 x^2} \, dx+\frac {3}{8} \int \frac {1}{\left (1-a^2 x^2\right )^2} \, dx\\ &=\frac {x}{32 \left (1-a^2 x^2\right )^2}+\frac {15 x}{64 \left (1-a^2 x^2\right )}+\frac {3 \tanh ^{-1}(a x)}{64 a}-\frac {\tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )^2}-\frac {3 \tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )}+\frac {x \tanh ^{-1}(a x)^2}{4 \left (1-a^2 x^2\right )^2}+\frac {3 x \tanh ^{-1}(a x)^2}{8 \left (1-a^2 x^2\right )}+\frac {\tanh ^{-1}(a x)^3}{8 a}+\frac {3}{16} \int \frac {1}{1-a^2 x^2} \, dx\\ &=\frac {x}{32 \left (1-a^2 x^2\right )^2}+\frac {15 x}{64 \left (1-a^2 x^2\right )}+\frac {15 \tanh ^{-1}(a x)}{64 a}-\frac {\tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )^2}-\frac {3 \tanh ^{-1}(a x)}{8 a \left (1-a^2 x^2\right )}+\frac {x \tanh ^{-1}(a x)^2}{4 \left (1-a^2 x^2\right )^2}+\frac {3 x \tanh ^{-1}(a x)^2}{8 \left (1-a^2 x^2\right )}+\frac {\tanh ^{-1}(a x)^3}{8 a}\\ \end {align*}
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Mathematica [A] time = 0.11, size = 127, normalized size = 0.84 \[ \frac {1}{128} \left (-\frac {30 x}{a^2 x^2-1}+\frac {4 x}{\left (a^2 x^2-1\right )^2}-\frac {16 x \left (3 a^2 x^2-5\right ) \tanh ^{-1}(a x)^2}{\left (a^2 x^2-1\right )^2}+\frac {16 \left (3 a^2 x^2-4\right ) \tanh ^{-1}(a x)}{a \left (a^2 x^2-1\right )^2}-\frac {15 \log (1-a x)}{a}+\frac {15 \log (a x+1)}{a}+\frac {16 \tanh ^{-1}(a x)^3}{a}\right ) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.54, size = 137, normalized size = 0.91 \[ -\frac {30 \, a^{3} x^{3} - 2 \, {\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (-\frac {a x + 1}{a x - 1}\right )^{3} + 4 \, {\left (3 \, a^{3} x^{3} - 5 \, a x\right )} \log \left (-\frac {a x + 1}{a x - 1}\right )^{2} - 34 \, a x - {\left (15 \, a^{4} x^{4} - 6 \, a^{2} x^{2} - 17\right )} \log \left (-\frac {a x + 1}{a x - 1}\right )}{128 \, {\left (a^{5} x^{4} - 2 \, a^{3} x^{2} + a\right )}} \]
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 \[ \int -\frac {\operatorname {artanh}\left (a x\right )^{2}}{{\left (a^{2} x^{2} - 1\right )}^{3}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 0.87, size = 2571, normalized size = 17.03 \[ \text {Expression too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.34, size = 392, normalized size = 2.60 \[ -\frac {1}{16} \, {\left (\frac {2 \, {\left (3 \, a^{2} x^{3} - 5 \, x\right )}}{a^{4} x^{4} - 2 \, a^{2} x^{2} + 1} - \frac {3 \, \log \left (a x + 1\right )}{a} + \frac {3 \, \log \left (a x - 1\right )}{a}\right )} \operatorname {artanh}\left (a x\right )^{2} - \frac {{\left (30 \, a^{3} x^{3} - 2 \, {\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (a x + 1\right )^{3} + 6 \, {\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (a x + 1\right )^{2} \log \left (a x - 1\right ) + 2 \, {\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (a x - 1\right )^{3} - 34 \, a x - 3 \, {\left (5 \, a^{4} x^{4} - 10 \, a^{2} x^{2} + 2 \, {\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (a x - 1\right )^{2} + 5\right )} \log \left (a x + 1\right ) + 15 \, {\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (a x - 1\right )\right )} a^{2}}{128 \, {\left (a^{7} x^{4} - 2 \, a^{5} x^{2} + a^{3}\right )}} + \frac {{\left (12 \, a^{2} x^{2} - 3 \, {\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (a x + 1\right )^{2} + 6 \, {\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (a x + 1\right ) \log \left (a x - 1\right ) - 3 \, {\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (a x - 1\right )^{2} - 16\right )} a \operatorname {artanh}\left (a x\right )}{32 \, {\left (a^{6} x^{4} - 2 \, a^{4} x^{2} + a^{2}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 2.06, size = 358, normalized size = 2.37 \[ \frac {\frac {17\,x}{8}-\frac {15\,a^2\,x^3}{8}}{8\,a^4\,x^4-16\,a^2\,x^2+8}-\ln \left (1-a\,x\right )\,\left (\frac {3\,{\ln \left (a\,x+1\right )}^2}{64\,a}-\frac {\frac {7\,x}{2}-3\,a\,x^2+\frac {4}{a}-\frac {5\,a^2\,x^3}{2}}{32\,a^4\,x^4-64\,a^2\,x^2+32}+\frac {\frac {7\,x}{2}+3\,a\,x^2-\frac {4}{a}-\frac {5\,a^2\,x^3}{2}}{32\,a^4\,x^4-64\,a^2\,x^2+32}+\frac {\ln \left (a\,x+1\right )\,\left (10\,x-6\,a^2\,x^3\right )}{32\,a^4\,x^4-64\,a^2\,x^2+32}\right )+{\ln \left (1-a\,x\right )}^2\,\left (\frac {3\,\ln \left (a\,x+1\right )}{64\,a}+\frac {\frac {5\,x}{8}-\frac {3\,a^2\,x^3}{8}}{4\,a^4\,x^4-8\,a^2\,x^2+4}\right )+\frac {{\ln \left (a\,x+1\right )}^3}{64\,a}-\frac {{\ln \left (1-a\,x\right )}^3}{64\,a}-\frac {\ln \left (a\,x+1\right )\,\left (\frac {1}{4\,a^2}-\frac {3\,x^2}{16}\right )}{\frac {1}{a}-2\,a\,x^2+a^3\,x^4}+\frac {{\ln \left (a\,x+1\right )}^2\,\left (\frac {5\,x}{32\,a}-\frac {3\,a\,x^3}{32}\right )}{\frac {1}{a}-2\,a\,x^2+a^3\,x^4}-\frac {\mathrm {atan}\left (a\,x\,1{}\mathrm {i}\right )\,15{}\mathrm {i}}{64\,a} \]
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 \[ - \int \frac {\operatorname {atanh}^{2}{\left (a x \right )}}{a^{6} x^{6} - 3 a^{4} x^{4} + 3 a^{2} x^{2} - 1}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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