Optimal. Leaf size=112 \[ -\frac {2 e^{\frac {1}{2} \tanh ^{-1}(a x)} (1-10 a x)}{99 a \left (1-a^2 x^2\right )^{5/2}}-\frac {32 e^{\frac {1}{2} \tanh ^{-1}(a x)} (1-6 a x)}{693 a \left (1-a^2 x^2\right )^{3/2}}-\frac {256 e^{\frac {1}{2} \tanh ^{-1}(a x)} (1-2 a x)}{693 a \sqrt {1-a^2 x^2}} \]
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Rubi [A]
time = 0.09, antiderivative size = 112, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 25, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.080, Rules used = {6271, 6270}
\begin {gather*} -\frac {2 (1-10 a x) e^{\frac {1}{2} \tanh ^{-1}(a x)}}{99 a \left (1-a^2 x^2\right )^{5/2}}-\frac {256 (1-2 a x) e^{\frac {1}{2} \tanh ^{-1}(a x)}}{693 a \sqrt {1-a^2 x^2}}-\frac {32 (1-6 a x) e^{\frac {1}{2} \tanh ^{-1}(a x)}}{693 a \left (1-a^2 x^2\right )^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 6270
Rule 6271
Rubi steps
\begin {align*} \int \frac {e^{\frac {1}{2} \tanh ^{-1}(a x)}}{\left (1-a^2 x^2\right )^{7/2}} \, dx &=-\frac {2 e^{\frac {1}{2} \tanh ^{-1}(a x)} (1-10 a x)}{99 a \left (1-a^2 x^2\right )^{5/2}}+\frac {80}{99} \int \frac {e^{\frac {1}{2} \tanh ^{-1}(a x)}}{\left (1-a^2 x^2\right )^{5/2}} \, dx\\ &=-\frac {2 e^{\frac {1}{2} \tanh ^{-1}(a x)} (1-10 a x)}{99 a \left (1-a^2 x^2\right )^{5/2}}-\frac {32 e^{\frac {1}{2} \tanh ^{-1}(a x)} (1-6 a x)}{693 a \left (1-a^2 x^2\right )^{3/2}}+\frac {128}{231} \int \frac {e^{\frac {1}{2} \tanh ^{-1}(a x)}}{\left (1-a^2 x^2\right )^{3/2}} \, dx\\ &=-\frac {2 e^{\frac {1}{2} \tanh ^{-1}(a x)} (1-10 a x)}{99 a \left (1-a^2 x^2\right )^{5/2}}-\frac {32 e^{\frac {1}{2} \tanh ^{-1}(a x)} (1-6 a x)}{693 a \left (1-a^2 x^2\right )^{3/2}}-\frac {256 e^{\frac {1}{2} \tanh ^{-1}(a x)} (1-2 a x)}{693 a \sqrt {1-a^2 x^2}}\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 64, normalized size = 0.57 \begin {gather*} \frac {2 \left (-151+422 a x+272 a^2 x^2-608 a^3 x^3-128 a^4 x^4+256 a^5 x^5\right )}{693 a (1-a x)^{11/4} (1+a x)^{9/4}} \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [A]
time = 0.05, size = 86, normalized size = 0.77
method | result | size |
gosper | \(-\frac {2 \left (a x -1\right ) \left (a x +1\right ) \left (256 x^{5} a^{5}-128 a^{4} x^{4}-608 a^{3} x^{3}+272 a^{2} x^{2}+422 a x -151\right ) \sqrt {\frac {a x +1}{\sqrt {-a^{2} x^{2}+1}}}}{693 a \left (-a^{2} x^{2}+1\right )^{\frac {7}{2}}}\) | \(86\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 104, normalized size = 0.93 \begin {gather*} -\frac {2 \, {\left (256 \, a^{5} x^{5} - 128 \, a^{4} x^{4} - 608 \, a^{3} x^{3} + 272 \, a^{2} x^{2} + 422 \, a x - 151\right )} \sqrt {-a^{2} x^{2} + 1} \sqrt {-\frac {\sqrt {-a^{2} x^{2} + 1}}{a x - 1}}}{693 \, {\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(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \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 = 1.31, size = 165, normalized size = 1.47 \begin {gather*} -\frac {\sqrt {\frac {a\,x+1}{\sqrt {1-a^2\,x^2}}}\,\left (\frac {302\,\sqrt {1-a^2\,x^2}}{693\,a^7}-\frac {844\,x\,\sqrt {1-a^2\,x^2}}{693\,a^6}-\frac {512\,x^5\,\sqrt {1-a^2\,x^2}}{693\,a^2}+\frac {256\,x^4\,\sqrt {1-a^2\,x^2}}{693\,a^3}+\frac {1216\,x^3\,\sqrt {1-a^2\,x^2}}{693\,a^4}-\frac {544\,x^2\,\sqrt {1-a^2\,x^2}}{693\,a^5}\right )}{\frac {1}{a^6}-x^6+\frac {3\,x^4}{a^2}-\frac {3\,x^2}{a^4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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