Integrand size = 27, antiderivative size = 25 \[ \int \frac {\frac {e^{2 x} (1-2 x)}{x}-3 x+2 x^2}{x} \, dx=-7-\frac {e^2}{4}-\frac {e^{2 x}}{x}-3 x+x^2 \]
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Time = 0.03 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.68, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.074, Rules used = {14, 2228} \[ \int \frac {\frac {e^{2 x} (1-2 x)}{x}-3 x+2 x^2}{x} \, dx=x^2-3 x-\frac {e^{2 x}}{x} \]
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Rule 14
Rule 2228
Rubi steps \begin{align*} \text {integral}& = \int \left (-3+2 x-\frac {e^{2 x} (-1+2 x)}{x^2}\right ) \, dx \\ & = -3 x+x^2-\int \frac {e^{2 x} (-1+2 x)}{x^2} \, dx \\ & = -\frac {e^{2 x}}{x}-3 x+x^2 \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.68 \[ \int \frac {\frac {e^{2 x} (1-2 x)}{x}-3 x+2 x^2}{x} \, dx=-\frac {e^{2 x}}{x}-3 x+x^2 \]
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Time = 0.08 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.68
method | result | size |
risch | \(x^{2}-3 x -\frac {{\mathrm e}^{2 x}}{x}\) | \(17\) |
default | \(x^{2}-3 x -{\mathrm e}^{2 x -\ln \left (x \right )}\) | \(19\) |
norman | \(x^{2}-3 x -{\mathrm e}^{2 x -\ln \left (x \right )}\) | \(19\) |
parallelrisch | \(x^{2}-3 x -{\mathrm e}^{2 x -\ln \left (x \right )}\) | \(19\) |
parts | \(x^{2}-3 x -{\mathrm e}^{2 x -\ln \left (x \right )}\) | \(19\) |
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none
Time = 0.26 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.72 \[ \int \frac {\frac {e^{2 x} (1-2 x)}{x}-3 x+2 x^2}{x} \, dx=x^{2} - 3 \, x - e^{\left (2 \, x - \log \left (x\right )\right )} \]
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Time = 0.05 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.48 \[ \int \frac {\frac {e^{2 x} (1-2 x)}{x}-3 x+2 x^2}{x} \, dx=x^{2} - 3 x - \frac {e^{2 x}}{x} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.22 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.80 \[ \int \frac {\frac {e^{2 x} (1-2 x)}{x}-3 x+2 x^2}{x} \, dx=x^{2} - 3 \, x - 2 \, {\rm Ei}\left (2 \, x\right ) + 2 \, \Gamma \left (-1, -2 \, x\right ) \]
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none
Time = 0.28 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.76 \[ \int \frac {\frac {e^{2 x} (1-2 x)}{x}-3 x+2 x^2}{x} \, dx=\frac {x^{3} - 3 \, x^{2} - e^{\left (2 \, x\right )}}{x} \]
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Time = 10.82 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.60 \[ \int \frac {\frac {e^{2 x} (1-2 x)}{x}-3 x+2 x^2}{x} \, dx=x\,\left (x-3\right )-\frac {{\mathrm {e}}^{2\,x}}{x} \]
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