Integrand size = 30, antiderivative size = 29 \[ \int \frac {-\frac {3 e^2}{x}+6 x-3 e^3 x-2 x^2}{3 x} \, dx=e^3-e^3 (-4+x)+\frac {e^2}{x}+2 x-\frac {x^2}{3} \]
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Time = 0.01 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.83, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {6, 12, 14} \[ \int \frac {-\frac {3 e^2}{x}+6 x-3 e^3 x-2 x^2}{3 x} \, dx=-\frac {x^2}{3}+\left (2-e^3\right ) x+\frac {e^2}{x} \]
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Rule 6
Rule 12
Rule 14
Rubi steps \begin{align*} \text {integral}& = \int \frac {-\frac {3 e^2}{x}+\left (6-3 e^3\right ) x-2 x^2}{3 x} \, dx \\ & = \frac {1}{3} \int \frac {-\frac {3 e^2}{x}+\left (6-3 e^3\right ) x-2 x^2}{x} \, dx \\ & = \frac {1}{3} \int \left (-3 \left (-2+e^3\right )-\frac {3 e^2}{x^2}-2 x\right ) \, dx \\ & = \frac {e^2}{x}+\left (2-e^3\right ) x-\frac {x^2}{3} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.83 \[ \int \frac {-\frac {3 e^2}{x}+6 x-3 e^3 x-2 x^2}{3 x} \, dx=\frac {e^2}{x}+2 x-e^3 x-\frac {x^2}{3} \]
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Time = 0.07 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.72
method | result | size |
risch | \(-x \,{\mathrm e}^{3}-\frac {x^{2}}{3}+2 x +\frac {{\mathrm e}^{2}}{x}\) | \(21\) |
default | \(-\frac {x^{2}}{3}+2 x +{\mathrm e}^{-\ln \left (x \right )+2}-x \,{\mathrm e}^{3}\) | \(22\) |
parallelrisch | \(-\frac {x^{2}}{3}+2 x +{\mathrm e}^{-\ln \left (x \right )+2}-x \,{\mathrm e}^{3}\) | \(22\) |
parts | \(-\frac {x^{2}}{3}+2 x +{\mathrm e}^{-\ln \left (x \right )+2}-x \,{\mathrm e}^{3}\) | \(22\) |
norman | \(\frac {\left (2-{\mathrm e}^{3}\right ) x^{2}-\frac {x^{3}}{3}+{\mathrm e}^{2}}{x}\) | \(23\) |
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Time = 0.27 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.86 \[ \int \frac {-\frac {3 e^2}{x}+6 x-3 e^3 x-2 x^2}{3 x} \, dx=-\frac {x^{3} + 3 \, x^{2} e^{3} - 6 \, x^{2} - 3 \, e^{2}}{3 \, x} \]
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Time = 0.05 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.66 \[ \int \frac {-\frac {3 e^2}{x}+6 x-3 e^3 x-2 x^2}{3 x} \, dx=- \frac {x^{2}}{3} - \frac {x \left (-6 + 3 e^{3}\right )}{3} + \frac {e^{2}}{x} \]
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Time = 0.19 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.66 \[ \int \frac {-\frac {3 e^2}{x}+6 x-3 e^3 x-2 x^2}{3 x} \, dx=-\frac {1}{3} \, x^{2} - x {\left (e^{3} - 2\right )} + \frac {e^{2}}{x} \]
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Time = 0.28 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.69 \[ \int \frac {-\frac {3 e^2}{x}+6 x-3 e^3 x-2 x^2}{3 x} \, dx=-\frac {1}{3} \, x^{2} - x e^{3} + 2 \, x + \frac {e^{2}}{x} \]
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Time = 0.07 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.79 \[ \int \frac {-\frac {3 e^2}{x}+6 x-3 e^3 x-2 x^2}{3 x} \, dx=-\frac {\frac {x^3}{3}+\left ({\mathrm {e}}^3-2\right )\,x^2-{\mathrm {e}}^2}{x} \]
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