Integrand size = 30, antiderivative size = 27 \[ \int \frac {-100 x^4+50 x^5-6 x^6+\left (1-2 x^2\right ) \log (2)}{x} \, dx=e^5-(5-x)^2 x^4+\log (2) \left (-x^2+\log (x)\right ) \]
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Time = 0.01 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.04, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.033, Rules used = {14} \[ \int \frac {-100 x^4+50 x^5-6 x^6+\left (1-2 x^2\right ) \log (2)}{x} \, dx=-x^6+10 x^5-25 x^4-x^2 \log (2)+\log (2) \log (x) \]
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Rule 14
Rubi steps \begin{align*} \text {integral}& = \int \left (-100 x^3+50 x^4-6 x^5+\frac {\log (2)}{x}-2 x \log (2)\right ) \, dx \\ & = -25 x^4+10 x^5-x^6-x^2 \log (2)+\log (2) \log (x) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.11 \[ \int \frac {-100 x^4+50 x^5-6 x^6+\left (1-2 x^2\right ) \log (2)}{x} \, dx=-25 x^4+10 x^5-x^6-\frac {1}{2} x^2 \log (4)+\log (2) \log (x) \]
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Time = 0.03 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.07
method | result | size |
default | \(-x^{6}+10 x^{5}-25 x^{4}-x^{2} \ln \left (2\right )+\ln \left (2\right ) \ln \left (x \right )\) | \(29\) |
norman | \(-x^{6}+10 x^{5}-25 x^{4}-x^{2} \ln \left (2\right )+\ln \left (2\right ) \ln \left (x \right )\) | \(29\) |
risch | \(-x^{6}+10 x^{5}-25 x^{4}-x^{2} \ln \left (2\right )+\ln \left (2\right ) \ln \left (x \right )\) | \(29\) |
parallelrisch | \(-x^{6}+10 x^{5}-25 x^{4}-x^{2} \ln \left (2\right )+\ln \left (2\right ) \ln \left (x \right )\) | \(29\) |
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Time = 0.24 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.04 \[ \int \frac {-100 x^4+50 x^5-6 x^6+\left (1-2 x^2\right ) \log (2)}{x} \, dx=-x^{6} + 10 \, x^{5} - 25 \, x^{4} - x^{2} \log \left (2\right ) + \log \left (2\right ) \log \left (x\right ) \]
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Time = 0.04 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96 \[ \int \frac {-100 x^4+50 x^5-6 x^6+\left (1-2 x^2\right ) \log (2)}{x} \, dx=- x^{6} + 10 x^{5} - 25 x^{4} - x^{2} \log {\left (2 \right )} + \log {\left (2 \right )} \log {\left (x \right )} \]
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Time = 0.20 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.04 \[ \int \frac {-100 x^4+50 x^5-6 x^6+\left (1-2 x^2\right ) \log (2)}{x} \, dx=-x^{6} + 10 \, x^{5} - 25 \, x^{4} - x^{2} \log \left (2\right ) + \log \left (2\right ) \log \left (x\right ) \]
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Time = 0.26 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.07 \[ \int \frac {-100 x^4+50 x^5-6 x^6+\left (1-2 x^2\right ) \log (2)}{x} \, dx=-x^{6} + 10 \, x^{5} - 25 \, x^{4} - x^{2} \log \left (2\right ) + \log \left (2\right ) \log \left ({\left | x \right |}\right ) \]
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Time = 0.05 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.04 \[ \int \frac {-100 x^4+50 x^5-6 x^6+\left (1-2 x^2\right ) \log (2)}{x} \, dx=\ln \left (2\right )\,\ln \left (x\right )-x^2\,\ln \left (2\right )-25\,x^4+10\,x^5-x^6 \]
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