Optimal. Leaf size=52 \[ -\frac {1}{6 x^6}+\frac {3}{4 x^4}-\frac {3}{x^2}-\frac {1}{4 \left (1+x^2\right )^2}-\frac {2}{1+x^2}-10 \log (x)+5 \log \left (1+x^2\right ) \]
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Rubi [A]
time = 0.02, antiderivative size = 52, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {272, 46}
\begin {gather*} -\frac {1}{6 x^6}+\frac {3}{4 x^4}-\frac {2}{x^2+1}-\frac {3}{x^2}-\frac {1}{4 \left (x^2+1\right )^2}+5 \log \left (x^2+1\right )-10 \log (x) \end {gather*}
Antiderivative was successfully verified.
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Rule 46
Rule 272
Rubi steps
\begin {align*} \int \frac {1}{x^7 \left (1+x^2\right )^3} \, dx &=\frac {1}{2} \text {Subst}\left (\int \frac {1}{x^4 (1+x)^3} \, dx,x,x^2\right )\\ &=\frac {1}{2} \text {Subst}\left (\int \left (\frac {1}{x^4}-\frac {3}{x^3}+\frac {6}{x^2}-\frac {10}{x}+\frac {1}{(1+x)^3}+\frac {4}{(1+x)^2}+\frac {10}{1+x}\right ) \, dx,x,x^2\right )\\ &=-\frac {1}{6 x^6}+\frac {3}{4 x^4}-\frac {3}{x^2}-\frac {1}{4 \left (1+x^2\right )^2}-\frac {2}{1+x^2}-10 \log (x)+5 \log \left (1+x^2\right )\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 49, normalized size = 0.94 \begin {gather*} -\frac {2-5 x^2+20 x^4+90 x^6+60 x^8}{12 x^6 \left (1+x^2\right )^2}-10 \log (x)+5 \log \left (1+x^2\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.08, size = 47, normalized size = 0.90
method | result | size |
default | \(-\frac {1}{6 x^{6}}+\frac {3}{4 x^{4}}-\frac {3}{x^{2}}-\frac {1}{4 \left (x^{2}+1\right )^{2}}-\frac {2}{x^{2}+1}-10 \ln \left (x \right )+5 \ln \left (x^{2}+1\right )\) | \(47\) |
norman | \(\frac {-\frac {1}{6}-5 x^{8}-\frac {15}{2} x^{6}+\frac {5}{12} x^{2}-\frac {5}{3} x^{4}}{x^{6} \left (x^{2}+1\right )^{2}}-10 \ln \left (x \right )+5 \ln \left (x^{2}+1\right )\) | \(47\) |
risch | \(\frac {-\frac {1}{6}-5 x^{8}-\frac {15}{2} x^{6}+\frac {5}{12} x^{2}-\frac {5}{3} x^{4}}{x^{6} \left (x^{2}+1\right )^{2}}-10 \ln \left (x \right )+5 \ln \left (x^{2}+1\right )\) | \(47\) |
meijerg | \(-\frac {1}{6 x^{6}}+\frac {3}{4 x^{4}}-\frac {3}{x^{2}}-\frac {9}{4}-10 \ln \left (x \right )+\frac {x^{2} \left (9 x^{2}+10\right )}{4 \left (x^{2}+1\right )^{2}}+5 \ln \left (x^{2}+1\right )\) | \(49\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 1.41, size = 53, normalized size = 1.02 \begin {gather*} -\frac {60 \, x^{8} + 90 \, x^{6} + 20 \, x^{4} - 5 \, x^{2} + 2}{12 \, {\left (x^{10} + 2 \, x^{8} + x^{6}\right )}} + 5 \, \log \left (x^{2} + 1\right ) - 5 \, \log \left (x^{2}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.69, size = 74, normalized size = 1.42 \begin {gather*} -\frac {60 \, x^{8} + 90 \, x^{6} + 20 \, x^{4} - 5 \, x^{2} - 60 \, {\left (x^{10} + 2 \, x^{8} + x^{6}\right )} \log \left (x^{2} + 1\right ) + 120 \, {\left (x^{10} + 2 \, x^{8} + x^{6}\right )} \log \left (x\right ) + 2}{12 \, {\left (x^{10} + 2 \, x^{8} + x^{6}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.07, size = 49, normalized size = 0.94 \begin {gather*} - 10 \log {\left (x \right )} + 5 \log {\left (x^{2} + 1 \right )} + \frac {- 60 x^{8} - 90 x^{6} - 20 x^{4} + 5 x^{2} - 2}{12 x^{10} + 24 x^{8} + 12 x^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.84, size = 58, normalized size = 1.12 \begin {gather*} -\frac {30 \, x^{4} + 68 \, x^{2} + 39}{4 \, {\left (x^{2} + 1\right )}^{2}} + \frac {110 \, x^{6} - 36 \, x^{4} + 9 \, x^{2} - 2}{12 \, x^{6}} + 5 \, \log \left (x^{2} + 1\right ) - 5 \, \log \left (x^{2}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.05, size = 51, normalized size = 0.98 \begin {gather*} 5\,\ln \left (x^2+1\right )-10\,\ln \left (x\right )-\frac {5\,x^8+\frac {15\,x^6}{2}+\frac {5\,x^4}{3}-\frac {5\,x^2}{12}+\frac {1}{6}}{x^{10}+2\,x^8+x^6} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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