Integrand size = 30, antiderivative size = 23 \[ \int \frac {5+2 x+2 x^2+e^x \left (-x-x^2\right )}{5 x} \, dx=4+\frac {1}{5} \left (9+2 x-\left (e^x-x\right ) x\right )+\log (x) \]
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Time = 0.02 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.39, number of steps used = 7, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {12, 14, 2207, 2225} \[ \int \frac {5+2 x+2 x^2+e^x \left (-x-x^2\right )}{5 x} \, dx=\frac {x^2}{5}+\frac {2 x}{5}+\frac {e^x}{5}-\frac {1}{5} e^x (x+1)+\log (x) \]
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Rule 12
Rule 14
Rule 2207
Rule 2225
Rubi steps \begin{align*} \text {integral}& = \frac {1}{5} \int \frac {5+2 x+2 x^2+e^x \left (-x-x^2\right )}{x} \, dx \\ & = \frac {1}{5} \int \left (-e^x (1+x)+\frac {5+2 x+2 x^2}{x}\right ) \, dx \\ & = -\left (\frac {1}{5} \int e^x (1+x) \, dx\right )+\frac {1}{5} \int \frac {5+2 x+2 x^2}{x} \, dx \\ & = -\frac {1}{5} e^x (1+x)+\frac {\int e^x \, dx}{5}+\frac {1}{5} \int \left (2+\frac {5}{x}+2 x\right ) \, dx \\ & = \frac {e^x}{5}+\frac {2 x}{5}+\frac {x^2}{5}-\frac {1}{5} e^x (1+x)+\log (x) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {5+2 x+2 x^2+e^x \left (-x-x^2\right )}{5 x} \, dx=\frac {1}{5} \left (2 x-e^x x+x^2+5 \log (x)\right ) \]
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Time = 0.06 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.74
method | result | size |
default | \(\frac {x^{2}}{5}+\frac {2 x}{5}+\ln \left (x \right )-\frac {{\mathrm e}^{x} x}{5}\) | \(17\) |
norman | \(\frac {x^{2}}{5}+\frac {2 x}{5}+\ln \left (x \right )-\frac {{\mathrm e}^{x} x}{5}\) | \(17\) |
risch | \(\frac {x^{2}}{5}+\frac {2 x}{5}+\ln \left (x \right )-\frac {{\mathrm e}^{x} x}{5}\) | \(17\) |
parallelrisch | \(\frac {x^{2}}{5}+\frac {2 x}{5}+\ln \left (x \right )-\frac {{\mathrm e}^{x} x}{5}\) | \(17\) |
parts | \(\frac {x^{2}}{5}+\frac {2 x}{5}+\ln \left (x \right )-\frac {{\mathrm e}^{x} x}{5}\) | \(17\) |
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Time = 0.24 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.70 \[ \int \frac {5+2 x+2 x^2+e^x \left (-x-x^2\right )}{5 x} \, dx=\frac {1}{5} \, x^{2} - \frac {1}{5} \, x e^{x} + \frac {2}{5} \, x + \log \left (x\right ) \]
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Time = 0.05 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {5+2 x+2 x^2+e^x \left (-x-x^2\right )}{5 x} \, dx=\frac {x^{2}}{5} - \frac {x e^{x}}{5} + \frac {2 x}{5} + \log {\left (x \right )} \]
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Time = 0.20 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {5+2 x+2 x^2+e^x \left (-x-x^2\right )}{5 x} \, dx=\frac {1}{5} \, x^{2} - \frac {1}{5} \, {\left (x - 1\right )} e^{x} + \frac {2}{5} \, x - \frac {1}{5} \, e^{x} + \log \left (x\right ) \]
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Time = 0.27 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.70 \[ \int \frac {5+2 x+2 x^2+e^x \left (-x-x^2\right )}{5 x} \, dx=\frac {1}{5} \, x^{2} - \frac {1}{5} \, x e^{x} + \frac {2}{5} \, x + \log \left (x\right ) \]
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Time = 0.05 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.70 \[ \int \frac {5+2 x+2 x^2+e^x \left (-x-x^2\right )}{5 x} \, dx=\frac {2\,x}{5}+\ln \left (x\right )-\frac {x\,{\mathrm {e}}^x}{5}+\frac {x^2}{5} \]
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