Integrand size = 31, antiderivative size = 64 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^5 \left (2+3 x^2+x^4\right )^2} \, dx=-\frac {1}{4 x^4}+\frac {11}{8 x^2}-\frac {5+9 x^2}{8 \left (2+3 x^2+x^4\right )}+\frac {23 \log (x)}{4}-\frac {11}{2} \log \left (1+x^2\right )+\frac {21}{8} \log \left (2+x^2\right ) \]
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Time = 0.07 (sec) , antiderivative size = 64, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.097, Rules used = {1677, 1660, 1642} \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^5 \left (2+3 x^2+x^4\right )^2} \, dx=-\frac {1}{4 x^4}+\frac {11}{8 x^2}-\frac {11}{2} \log \left (x^2+1\right )+\frac {21}{8} \log \left (x^2+2\right )-\frac {9 x^2+5}{8 \left (x^4+3 x^2+2\right )}+\frac {23 \log (x)}{4} \]
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Rule 1642
Rule 1660
Rule 1677
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \text {Subst}\left (\int \frac {4+x+3 x^2+5 x^3}{x^3 \left (2+3 x+x^2\right )^2} \, dx,x,x^2\right ) \\ & = -\frac {5+9 x^2}{8 \left (2+3 x^2+x^4\right )}-\frac {1}{2} \text {Subst}\left (\int \frac {-2+\frac {5 x}{2}-\frac {17 x^2}{4}+\frac {9 x^3}{4}}{x^3 \left (2+3 x+x^2\right )} \, dx,x,x^2\right ) \\ & = -\frac {5+9 x^2}{8 \left (2+3 x^2+x^4\right )}-\frac {1}{2} \text {Subst}\left (\int \left (-\frac {1}{x^3}+\frac {11}{4 x^2}-\frac {23}{4 x}+\frac {11}{1+x}-\frac {21}{4 (2+x)}\right ) \, dx,x,x^2\right ) \\ & = -\frac {1}{4 x^4}+\frac {11}{8 x^2}-\frac {5+9 x^2}{8 \left (2+3 x^2+x^4\right )}+\frac {23 \log (x)}{4}-\frac {11}{2} \log \left (1+x^2\right )+\frac {21}{8} \log \left (2+x^2\right ) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.88 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^5 \left (2+3 x^2+x^4\right )^2} \, dx=\frac {1}{8} \left (-\frac {2}{x^4}+\frac {11}{x^2}-\frac {5+9 x^2}{2+3 x^2+x^4}+46 \log (x)-44 \log \left (1+x^2\right )+21 \log \left (2+x^2\right )\right ) \]
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Time = 0.08 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.78
method | result | size |
default | \(\frac {21 \ln \left (x^{2}+2\right )}{8}-\frac {13}{8 \left (x^{2}+2\right )}-\frac {1}{4 x^{4}}+\frac {11}{8 x^{2}}+\frac {23 \ln \left (x \right )}{4}-\frac {11 \ln \left (x^{2}+1\right )}{2}+\frac {1}{2 x^{2}+2}\) | \(50\) |
norman | \(\frac {-\frac {1}{2}+\frac {1}{4} x^{6}+\frac {13}{4} x^{4}+2 x^{2}}{x^{4} \left (x^{4}+3 x^{2}+2\right )}+\frac {23 \ln \left (x \right )}{4}-\frac {11 \ln \left (x^{2}+1\right )}{2}+\frac {21 \ln \left (x^{2}+2\right )}{8}\) | \(55\) |
risch | \(\frac {-\frac {1}{2}+\frac {1}{4} x^{6}+\frac {13}{4} x^{4}+2 x^{2}}{x^{4} \left (x^{4}+3 x^{2}+2\right )}+\frac {23 \ln \left (x \right )}{4}-\frac {11 \ln \left (x^{2}+1\right )}{2}+\frac {21 \ln \left (x^{2}+2\right )}{8}\) | \(55\) |
parallelrisch | \(\frac {46 \ln \left (x \right ) x^{8}-44 \ln \left (x^{2}+1\right ) x^{8}+21 \ln \left (x^{2}+2\right ) x^{8}-4+138 \ln \left (x \right ) x^{6}-132 \ln \left (x^{2}+1\right ) x^{6}+63 \ln \left (x^{2}+2\right ) x^{6}+2 x^{6}+92 \ln \left (x \right ) x^{4}-88 \ln \left (x^{2}+1\right ) x^{4}+42 \ln \left (x^{2}+2\right ) x^{4}+26 x^{4}+16 x^{2}}{8 x^{4} \left (x^{4}+3 x^{2}+2\right )}\) | \(122\) |
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Time = 0.25 (sec) , antiderivative size = 97, normalized size of antiderivative = 1.52 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^5 \left (2+3 x^2+x^4\right )^2} \, dx=\frac {2 \, x^{6} + 26 \, x^{4} + 16 \, x^{2} + 21 \, {\left (x^{8} + 3 \, x^{6} + 2 \, x^{4}\right )} \log \left (x^{2} + 2\right ) - 44 \, {\left (x^{8} + 3 \, x^{6} + 2 \, x^{4}\right )} \log \left (x^{2} + 1\right ) + 46 \, {\left (x^{8} + 3 \, x^{6} + 2 \, x^{4}\right )} \log \left (x\right ) - 4}{8 \, {\left (x^{8} + 3 \, x^{6} + 2 \, x^{4}\right )}} \]
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Time = 0.09 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.88 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^5 \left (2+3 x^2+x^4\right )^2} \, dx=\frac {23 \log {\left (x \right )}}{4} - \frac {11 \log {\left (x^{2} + 1 \right )}}{2} + \frac {21 \log {\left (x^{2} + 2 \right )}}{8} + \frac {x^{6} + 13 x^{4} + 8 x^{2} - 2}{4 x^{8} + 12 x^{6} + 8 x^{4}} \]
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Time = 0.19 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.88 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^5 \left (2+3 x^2+x^4\right )^2} \, dx=\frac {x^{6} + 13 \, x^{4} + 8 \, x^{2} - 2}{4 \, {\left (x^{8} + 3 \, x^{6} + 2 \, x^{4}\right )}} + \frac {21}{8} \, \log \left (x^{2} + 2\right ) - \frac {11}{2} \, \log \left (x^{2} + 1\right ) + \frac {23}{8} \, \log \left (x^{2}\right ) \]
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Time = 0.30 (sec) , antiderivative size = 66, normalized size of antiderivative = 1.03 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^5 \left (2+3 x^2+x^4\right )^2} \, dx=\frac {23 \, x^{4} + 51 \, x^{2} + 36}{16 \, {\left (x^{4} + 3 \, x^{2} + 2\right )}} - \frac {69 \, x^{4} - 22 \, x^{2} + 4}{16 \, x^{4}} + \frac {21}{8} \, \log \left (x^{2} + 2\right ) - \frac {11}{2} \, \log \left (x^{2} + 1\right ) + \frac {23}{8} \, \log \left (x^{2}\right ) \]
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Time = 0.03 (sec) , antiderivative size = 55, normalized size of antiderivative = 0.86 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^5 \left (2+3 x^2+x^4\right )^2} \, dx=\frac {21\,\ln \left (x^2+2\right )}{8}-\frac {11\,\ln \left (x^2+1\right )}{2}+\frac {23\,\ln \left (x\right )}{4}+\frac {\frac {x^6}{4}+\frac {13\,x^4}{4}+2\,x^2-\frac {1}{2}}{x^8+3\,x^6+2\,x^4} \]
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