Integrand size = 26, antiderivative size = 19 \[ \int \frac {-40+27 x^2+20 x^3+5 x^2 \log (4)}{15 x^2} \, dx=\frac {1}{3} x \left (\frac {27}{5}+\frac {8}{x^2}+2 x+\log (4)\right ) \]
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Time = 0.01 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.37, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {6, 12, 14} \[ \int \frac {-40+27 x^2+20 x^3+5 x^2 \log (4)}{15 x^2} \, dx=\frac {2 x^2}{3}+\frac {8}{3 x}+\frac {1}{15} x (27+5 \log (4)) \]
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Rule 6
Rule 12
Rule 14
Rubi steps \begin{align*} \text {integral}& = \int \frac {-40+20 x^3+x^2 (27+5 \log (4))}{15 x^2} \, dx \\ & = \frac {1}{15} \int \frac {-40+20 x^3+x^2 (27+5 \log (4))}{x^2} \, dx \\ & = \frac {1}{15} \int \left (-\frac {40}{x^2}+20 x+27 \left (1+\frac {5 \log (4)}{27}\right )\right ) \, dx \\ & = \frac {8}{3 x}+\frac {2 x^2}{3}+\frac {1}{15} x (27+5 \log (4)) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.42 \[ \int \frac {-40+27 x^2+20 x^3+5 x^2 \log (4)}{15 x^2} \, dx=\frac {8}{3 x}+\frac {9 x}{5}+\frac {2 x^2}{3}+\frac {2}{3} x \log (2) \]
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Time = 0.04 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.05
method | result | size |
default | \(\frac {2 x^{2}}{3}+\frac {2 x \ln \left (2\right )}{3}+\frac {9 x}{5}+\frac {8}{3 x}\) | \(20\) |
risch | \(\frac {2 x^{2}}{3}+\frac {2 x \ln \left (2\right )}{3}+\frac {9 x}{5}+\frac {8}{3 x}\) | \(20\) |
norman | \(\frac {\frac {8}{3}+\left (\frac {2 \ln \left (2\right )}{3}+\frac {9}{5}\right ) x^{2}+\frac {2 x^{3}}{3}}{x}\) | \(22\) |
gosper | \(\frac {10 x^{2} \ln \left (2\right )+10 x^{3}+27 x^{2}+40}{15 x}\) | \(25\) |
parallelrisch | \(\frac {10 x^{2} \ln \left (2\right )+10 x^{3}+27 x^{2}+40}{15 x}\) | \(25\) |
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Time = 0.24 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.26 \[ \int \frac {-40+27 x^2+20 x^3+5 x^2 \log (4)}{15 x^2} \, dx=\frac {10 \, x^{3} + 10 \, x^{2} \log \left (2\right ) + 27 \, x^{2} + 40}{15 \, x} \]
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Time = 0.04 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.05 \[ \int \frac {-40+27 x^2+20 x^3+5 x^2 \log (4)}{15 x^2} \, dx=\frac {2 x^{2}}{3} + \frac {x \left (10 \log {\left (2 \right )} + 27\right )}{15} + \frac {8}{3 x} \]
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Time = 0.19 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.05 \[ \int \frac {-40+27 x^2+20 x^3+5 x^2 \log (4)}{15 x^2} \, dx=\frac {2}{3} \, x^{2} + \frac {1}{15} \, x {\left (10 \, \log \left (2\right ) + 27\right )} + \frac {8}{3 \, x} \]
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Time = 0.26 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {-40+27 x^2+20 x^3+5 x^2 \log (4)}{15 x^2} \, dx=\frac {2}{3} \, x^{2} + \frac {2}{3} \, x \log \left (2\right ) + \frac {9}{5} \, x + \frac {8}{3 \, x} \]
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Time = 13.05 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {-40+27 x^2+20 x^3+5 x^2 \log (4)}{15 x^2} \, dx=x\,\left (\frac {2\,\ln \left (2\right )}{3}+\frac {9}{5}\right )+\frac {8}{3\,x}+\frac {2\,x^2}{3} \]
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