Integrand size = 39, antiderivative size = 35 \[ \int \frac {3 e^5 x-4 x^3+2 x^4+e^{2 x^2} \left (1-2 x^2\right )}{3 x^3} \, dx=9-\frac {e^5+\frac {e^{2 x^2}}{6 x}}{x}-\frac {1}{3} (4-x) x \]
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Time = 0.04 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {12, 14, 2326} \[ \int \frac {3 e^5 x-4 x^3+2 x^4+e^{2 x^2} \left (1-2 x^2\right )}{3 x^3} \, dx=\frac {x^2}{3}-\frac {e^{2 x^2}}{6 x^2}-\frac {4 x}{3}-\frac {e^5}{x} \]
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Rule 12
Rule 14
Rule 2326
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} \int \frac {3 e^5 x-4 x^3+2 x^4+e^{2 x^2} \left (1-2 x^2\right )}{x^3} \, dx \\ & = \frac {1}{3} \int \left (-\frac {e^{2 x^2} \left (-1+2 x^2\right )}{x^3}+\frac {3 e^5-4 x^2+2 x^3}{x^2}\right ) \, dx \\ & = -\left (\frac {1}{3} \int \frac {e^{2 x^2} \left (-1+2 x^2\right )}{x^3} \, dx\right )+\frac {1}{3} \int \frac {3 e^5-4 x^2+2 x^3}{x^2} \, dx \\ & = -\frac {e^{2 x^2}}{6 x^2}+\frac {1}{3} \int \left (-4+\frac {3 e^5}{x^2}+2 x\right ) \, dx \\ & = -\frac {e^{2 x^2}}{6 x^2}-\frac {e^5}{x}-\frac {4 x}{3}+\frac {x^2}{3} \\ \end{align*}
Time = 0.31 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.94 \[ \int \frac {3 e^5 x-4 x^3+2 x^4+e^{2 x^2} \left (1-2 x^2\right )}{3 x^3} \, dx=\frac {1}{3} \left (-\frac {e^{2 x^2}}{2 x^2}-\frac {3 e^5}{x}-4 x+x^2\right ) \]
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Time = 0.15 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.80
method | result | size |
default | \(\frac {x^{2}}{3}-\frac {4 x}{3}-\frac {{\mathrm e}^{5}}{x}-\frac {{\mathrm e}^{2 x^{2}}}{6 x^{2}}\) | \(28\) |
risch | \(\frac {x^{2}}{3}-\frac {4 x}{3}-\frac {{\mathrm e}^{5}}{x}-\frac {{\mathrm e}^{2 x^{2}}}{6 x^{2}}\) | \(28\) |
parallelrisch | \(-\frac {-2 x^{4}+8 x^{3}+6 x \,{\mathrm e}^{5}+{\mathrm e}^{2 x^{2}}}{6 x^{2}}\) | \(28\) |
parts | \(\frac {x^{2}}{3}-\frac {4 x}{3}-\frac {{\mathrm e}^{5}}{x}-\frac {{\mathrm e}^{2 x^{2}}}{6 x^{2}}\) | \(28\) |
norman | \(\frac {-\frac {4 x^{3}}{3}+\frac {x^{4}}{3}-x \,{\mathrm e}^{5}-\frac {{\mathrm e}^{2 x^{2}}}{6}}{x^{2}}\) | \(29\) |
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Time = 0.24 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.83 \[ \int \frac {3 e^5 x-4 x^3+2 x^4+e^{2 x^2} \left (1-2 x^2\right )}{3 x^3} \, dx=\frac {2 \, x^{4} - 8 \, x^{3} - 6 \, x e^{5} - e^{\left (2 \, x^{2}\right )}}{6 \, x^{2}} \]
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Time = 0.06 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.74 \[ \int \frac {3 e^5 x-4 x^3+2 x^4+e^{2 x^2} \left (1-2 x^2\right )}{3 x^3} \, dx=\frac {x^{2}}{3} - \frac {4 x}{3} - \frac {e^{5}}{x} - \frac {e^{2 x^{2}}}{6 x^{2}} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.22 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.94 \[ \int \frac {3 e^5 x-4 x^3+2 x^4+e^{2 x^2} \left (1-2 x^2\right )}{3 x^3} \, dx=\frac {1}{3} \, x^{2} - \frac {4}{3} \, x - \frac {e^{5}}{x} - \frac {1}{3} \, {\rm Ei}\left (2 \, x^{2}\right ) + \frac {1}{3} \, \Gamma \left (-1, -2 \, x^{2}\right ) \]
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Time = 0.28 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.83 \[ \int \frac {3 e^5 x-4 x^3+2 x^4+e^{2 x^2} \left (1-2 x^2\right )}{3 x^3} \, dx=\frac {2 \, x^{4} - 8 \, x^{3} - 6 \, x e^{5} - e^{\left (2 \, x^{2}\right )}}{6 \, x^{2}} \]
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Time = 0.11 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.77 \[ \int \frac {3 e^5 x-4 x^3+2 x^4+e^{2 x^2} \left (1-2 x^2\right )}{3 x^3} \, dx=-\frac {{\mathrm {e}}^{2\,x^2}+6\,x\,{\mathrm {e}}^5+8\,x^3-2\,x^4}{6\,x^2} \]
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