Integrand size = 33, antiderivative size = 30 \[ \int \frac {-2-4 x-5 x^2-10 x^3-\log (2)+(2+\log (2)) \log (x)}{5 x^2} \, dx=-4-x-x^2-\log (x)+\frac {(-2+x-\log (2)) \log (x)}{5 x} \]
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Time = 0.03 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.93, number of steps used = 6, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {12, 14, 2341} \[ \int \frac {-2-4 x-5 x^2-10 x^3-\log (2)+(2+\log (2)) \log (x)}{5 x^2} \, dx=-x^2-x-\frac {4 \log (x)}{5}-\frac {(2+\log (2)) \log (x)}{5 x} \]
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Rule 12
Rule 14
Rule 2341
Rubi steps \begin{align*} \text {integral}& = \frac {1}{5} \int \frac {-2-4 x-5 x^2-10 x^3-\log (2)+(2+\log (2)) \log (x)}{x^2} \, dx \\ & = \frac {1}{5} \int \left (\frac {-2-4 x-5 x^2-10 x^3-\log (2)}{x^2}+\frac {(2+\log (2)) \log (x)}{x^2}\right ) \, dx \\ & = \frac {1}{5} \int \frac {-2-4 x-5 x^2-10 x^3-\log (2)}{x^2} \, dx+\frac {1}{5} (2+\log (2)) \int \frac {\log (x)}{x^2} \, dx \\ & = -\frac {2+\log (2)}{5 x}-\frac {(2+\log (2)) \log (x)}{5 x}+\frac {1}{5} \int \left (-5-\frac {4}{x}-10 x+\frac {-2-\log (2)}{x^2}\right ) \, dx \\ & = -x-x^2-\frac {4 \log (x)}{5}-\frac {(2+\log (2)) \log (x)}{5 x} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.17 \[ \int \frac {-2-4 x-5 x^2-10 x^3-\log (2)+(2+\log (2)) \log (x)}{5 x^2} \, dx=-x-x^2-\frac {4 \log (x)}{5}-\frac {2 \log (x)}{5 x}-\frac {\log (2) \log (x)}{5 x} \]
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Time = 0.04 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.83
method | result | size |
risch | \(-\frac {\left (\ln \left (2\right )+2\right ) \ln \left (x \right )}{5 x}-x^{2}-x -\frac {4 \ln \left (x \right )}{5}\) | \(25\) |
norman | \(\frac {\left (-\frac {2}{5}-\frac {\ln \left (2\right )}{5}\right ) \ln \left (x \right )-\frac {4 x \ln \left (x \right )}{5}-x^{2}-x^{3}}{x}\) | \(30\) |
parallelrisch | \(-\frac {5 x^{3}+\ln \left (2\right ) \ln \left (x \right )+5 x^{2}+4 x \ln \left (x \right )+2 \ln \left (x \right )}{5 x}\) | \(31\) |
parts | \(-x -x^{2}+\frac {\ln \left (2\right )+2}{5 x}-\frac {4 \ln \left (x \right )}{5}+\left (\frac {2}{5}+\frac {\ln \left (2\right )}{5}\right ) \left (-\frac {\ln \left (x \right )}{x}-\frac {1}{x}\right )\) | \(43\) |
default | \(-x^{2}+\frac {\ln \left (2\right ) \left (-\frac {\ln \left (x \right )}{x}-\frac {1}{x}\right )}{5}-x -\frac {2 \ln \left (x \right )}{5 x}+\frac {\ln \left (2\right )}{5 x}-\frac {4 \ln \left (x \right )}{5}\) | \(45\) |
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Time = 0.26 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.87 \[ \int \frac {-2-4 x-5 x^2-10 x^3-\log (2)+(2+\log (2)) \log (x)}{5 x^2} \, dx=-\frac {5 \, x^{3} + 5 \, x^{2} + {\left (4 \, x + \log \left (2\right ) + 2\right )} \log \left (x\right )}{5 \, x} \]
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Time = 0.12 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int \frac {-2-4 x-5 x^2-10 x^3-\log (2)+(2+\log (2)) \log (x)}{5 x^2} \, dx=- x^{2} - x - \frac {4 \log {\left (x \right )}}{5} + \frac {\left (-2 - \log {\left (2 \right )}\right ) \log {\left (x \right )}}{5 x} \]
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Time = 0.19 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.37 \[ \int \frac {-2-4 x-5 x^2-10 x^3-\log (2)+(2+\log (2)) \log (x)}{5 x^2} \, dx=-x^{2} - \frac {1}{5} \, {\left (\frac {\log \left (x\right )}{x} + \frac {1}{x}\right )} \log \left (2\right ) - x + \frac {\log \left (2\right )}{5 \, x} - \frac {2 \, \log \left (x\right )}{5 \, x} - \frac {4}{5} \, \log \left (x\right ) \]
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Time = 0.27 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int \frac {-2-4 x-5 x^2-10 x^3-\log (2)+(2+\log (2)) \log (x)}{5 x^2} \, dx=-x^{2} - x - \frac {{\left (\log \left (2\right ) + 2\right )} \log \left (x\right )}{5 \, x} - \frac {4}{5} \, \log \left (x\right ) \]
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Time = 15.42 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int \frac {-2-4 x-5 x^2-10 x^3-\log (2)+(2+\log (2)) \log (x)}{5 x^2} \, dx=-x-\frac {4\,\ln \left (x\right )}{5}-x^2-\frac {\ln \left (x\right )\,\left (\ln \left (2\right )+2\right )}{5\,x} \]
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