Integrand size = 11, antiderivative size = 56 \[ \int \frac {1}{x^5 (4+6 x)^2} \, dx=-\frac {1}{64 x^4}+\frac {1}{16 x^3}-\frac {27}{128 x^2}+\frac {27}{32 x}+\frac {81}{128 (2+3 x)}+\frac {405 \log (x)}{256}-\frac {405}{256} \log (2+3 x) \]
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Time = 0.01 (sec) , antiderivative size = 56, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {46} \[ \int \frac {1}{x^5 (4+6 x)^2} \, dx=-\frac {1}{64 x^4}+\frac {1}{16 x^3}-\frac {27}{128 x^2}+\frac {27}{32 x}+\frac {81}{128 (3 x+2)}+\frac {405 \log (x)}{256}-\frac {405}{256} \log (3 x+2) \]
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Rule 46
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {1}{16 x^5}-\frac {3}{16 x^4}+\frac {27}{64 x^3}-\frac {27}{32 x^2}+\frac {405}{256 x}-\frac {243}{128 (2+3 x)^2}-\frac {1215}{256 (2+3 x)}\right ) \, dx \\ & = -\frac {1}{64 x^4}+\frac {1}{16 x^3}-\frac {27}{128 x^2}+\frac {27}{32 x}+\frac {81}{128 (2+3 x)}+\frac {405 \log (x)}{256}-\frac {405}{256} \log (2+3 x) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 56, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x^5 (4+6 x)^2} \, dx=-\frac {1}{64 x^4}+\frac {1}{16 x^3}-\frac {27}{128 x^2}+\frac {27}{32 x}+\frac {81}{128 (2+3 x)}+\frac {405 \log (x)}{256}-\frac {405}{256} \log (2+3 x) \]
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Time = 0.07 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.77
method | result | size |
default | \(-\frac {1}{64 x^{4}}+\frac {1}{16 x^{3}}-\frac {27}{128 x^{2}}+\frac {27}{32 x}+\frac {81}{128 \left (2+3 x \right )}+\frac {405 \ln \left (x \right )}{256}-\frac {405 \ln \left (2+3 x \right )}{256}\) | \(43\) |
norman | \(\frac {-\frac {1}{32}-\frac {1215}{256} x^{5}+\frac {5}{64} x -\frac {15}{64} x^{2}+\frac {135}{128} x^{3}}{x^{4} \left (2+3 x \right )}+\frac {405 \ln \left (x \right )}{256}-\frac {405 \ln \left (2+3 x \right )}{256}\) | \(45\) |
risch | \(\frac {\frac {405}{128} x^{4}+\frac {135}{128} x^{3}-\frac {15}{64} x^{2}+\frac {5}{64} x -\frac {1}{32}}{x^{4} \left (2+3 x \right )}+\frac {405 \ln \left (x \right )}{256}-\frac {405 \ln \left (2+3 x \right )}{256}\) | \(46\) |
meijerg | \(-\frac {1}{64 x^{4}}+\frac {1}{16 x^{3}}-\frac {27}{128 x^{2}}+\frac {27}{32 x}+\frac {81}{256}+\frac {405 \ln \left (x \right )}{256}+\frac {405 \ln \left (3\right )}{256}-\frac {405 \ln \left (2\right )}{256}-\frac {729 x}{256 \left (9 x +6\right )}-\frac {405 \ln \left (1+\frac {3 x}{2}\right )}{256}\) | \(53\) |
parallelrisch | \(\frac {1215 \ln \left (x \right ) x^{5}-1215 \ln \left (\frac {2}{3}+x \right ) x^{5}-8+810 \ln \left (x \right ) x^{4}-810 \ln \left (\frac {2}{3}+x \right ) x^{4}-1215 x^{5}+270 x^{3}-60 x^{2}+20 x}{256 x^{4} \left (2+3 x \right )}\) | \(65\) |
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Time = 0.22 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.23 \[ \int \frac {1}{x^5 (4+6 x)^2} \, dx=\frac {810 \, x^{4} + 270 \, x^{3} - 60 \, x^{2} - 405 \, {\left (3 \, x^{5} + 2 \, x^{4}\right )} \log \left (3 \, x + 2\right ) + 405 \, {\left (3 \, x^{5} + 2 \, x^{4}\right )} \log \left (x\right ) + 20 \, x - 8}{256 \, {\left (3 \, x^{5} + 2 \, x^{4}\right )}} \]
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Time = 0.13 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.82 \[ \int \frac {1}{x^5 (4+6 x)^2} \, dx=\frac {405 \log {\left (x \right )}}{256} - \frac {405 \log {\left (x + \frac {2}{3} \right )}}{256} + \frac {405 x^{4} + 135 x^{3} - 30 x^{2} + 10 x - 4}{384 x^{5} + 256 x^{4}} \]
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Time = 0.22 (sec) , antiderivative size = 48, normalized size of antiderivative = 0.86 \[ \int \frac {1}{x^5 (4+6 x)^2} \, dx=\frac {405 \, x^{4} + 135 \, x^{3} - 30 \, x^{2} + 10 \, x - 4}{128 \, {\left (3 \, x^{5} + 2 \, x^{4}\right )}} - \frac {405}{256} \, \log \left (3 \, x + 2\right ) + \frac {405}{256} \, \log \left (x\right ) \]
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Time = 0.34 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.23 \[ \int \frac {1}{x^5 (4+6 x)^2} \, dx=\frac {81}{128 \, {\left (3 \, x + 2\right )}} - \frac {27 \, {\left (\frac {520}{3 \, x + 2} - \frac {1200}{{\left (3 \, x + 2\right )}^{2}} + \frac {960}{{\left (3 \, x + 2\right )}^{3}} - 77\right )}}{1024 \, {\left (\frac {2}{3 \, x + 2} - 1\right )}^{4}} + \frac {405}{256} \, \log \left ({\left | -\frac {2}{3 \, x + 2} + 1 \right |}\right ) \]
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Time = 0.10 (sec) , antiderivative size = 41, normalized size of antiderivative = 0.73 \[ \int \frac {1}{x^5 (4+6 x)^2} \, dx=\frac {\frac {135\,x^4}{128}+\frac {45\,x^3}{128}-\frac {5\,x^2}{64}+\frac {5\,x}{192}-\frac {1}{96}}{x^5+\frac {2\,x^4}{3}}-\frac {405\,\mathrm {atanh}\left (3\,x+1\right )}{128} \]
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