Integrand size = 26, antiderivative size = 22 \[ \int \frac {x+2 x^2+e^{\frac {-5+e x}{x}} (5+x)}{x} \, dx=-\left (\left (-1-e^{e-\frac {5}{x}}-x\right ) x\right )+\log (9) \]
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Time = 0.03 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.73, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {14, 2326} \[ \int \frac {x+2 x^2+e^{\frac {-5+e x}{x}} (5+x)}{x} \, dx=x^2+e^{e-\frac {5}{x}} x+x \]
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Rule 14
Rule 2326
Rubi steps \begin{align*} \text {integral}& = \int \left (1+2 x+\frac {e^{e-\frac {5}{x}} (5+x)}{x}\right ) \, dx \\ & = x+x^2+\int \frac {e^{e-\frac {5}{x}} (5+x)}{x} \, dx \\ & = x+e^{e-\frac {5}{x}} x+x^2 \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.73 \[ \int \frac {x+2 x^2+e^{\frac {-5+e x}{x}} (5+x)}{x} \, dx=x+e^{e-\frac {5}{x}} x+x^2 \]
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Time = 0.40 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77
method | result | size |
derivativedivides | \(x +{\mathrm e}^{-\frac {5}{x}+{\mathrm e}} x +x^{2}\) | \(17\) |
default | \(x +{\mathrm e}^{-\frac {5}{x}+{\mathrm e}} x +x^{2}\) | \(17\) |
parts | \(x +{\mathrm e}^{-\frac {5}{x}+{\mathrm e}} x +x^{2}\) | \(17\) |
norman | \(x +x^{2}+{\mathrm e}^{\frac {x \,{\mathrm e}-5}{x}} x\) | \(19\) |
risch | \(x +x^{2}+{\mathrm e}^{\frac {x \,{\mathrm e}-5}{x}} x\) | \(19\) |
parallelrisch | \(x +x^{2}+{\mathrm e}^{\frac {x \,{\mathrm e}-5}{x}} x\) | \(19\) |
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none
Time = 0.25 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.82 \[ \int \frac {x+2 x^2+e^{\frac {-5+e x}{x}} (5+x)}{x} \, dx=x^{2} + x e^{\left (\frac {x e - 5}{x}\right )} + x \]
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Time = 0.08 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.68 \[ \int \frac {x+2 x^2+e^{\frac {-5+e x}{x}} (5+x)}{x} \, dx=x^{2} + x e^{\frac {e x - 5}{x}} + x \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.21 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.27 \[ \int \frac {x+2 x^2+e^{\frac {-5+e x}{x}} (5+x)}{x} \, dx=x^{2} - 5 \, {\rm Ei}\left (-\frac {5}{x}\right ) e^{e} + 5 \, e^{e} \Gamma \left (-1, \frac {5}{x}\right ) + x \]
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Leaf count of result is larger than twice the leaf count of optimal. 87 vs. \(2 (19) = 38\).
Time = 0.26 (sec) , antiderivative size = 87, normalized size of antiderivative = 3.95 \[ \int \frac {x+2 x^2+e^{\frac {-5+e x}{x}} (5+x)}{x} \, dx=\frac {5 \, {\left (\frac {{\left (x e - 5\right )} e^{\left (\frac {x e - 5}{x}\right )}}{x} + \frac {x e - 5}{x} - e - e^{\left (\frac {x e - 5}{x} + 1\right )} - 5\right )}}{\frac {2 \, {\left (x e - 5\right )} e}{x} - \frac {{\left (x e - 5\right )}^{2}}{x^{2}} - e^{2}} \]
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Time = 13.19 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.73 \[ \int \frac {x+2 x^2+e^{\frac {-5+e x}{x}} (5+x)}{x} \, dx=x+x^2+x\,{\mathrm {e}}^{-\frac {5}{x}}\,{\mathrm {e}}^{\mathrm {e}} \]
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