Integrand size = 37, antiderivative size = 19 \[ \int \frac {e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \left (-16854-636 x+x^3\right )}{3 x^3} \, dx=e^{\frac {(-53-2 x)^2}{x^2}+\frac {x}{3}} \]
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Time = 0.11 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.16, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.054, Rules used = {12, 6838} \[ \int \frac {e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \left (-16854-636 x+x^3\right )}{3 x^3} \, dx=e^{\frac {x^3+12 x^2+636 x+8427}{3 x^2}} \]
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Rule 12
Rule 6838
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} \int \frac {e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \left (-16854-636 x+x^3\right )}{x^3} \, dx \\ & = e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \left (-16854-636 x+x^3\right )}{3 x^3} \, dx=e^{4+\frac {2809}{x^2}+\frac {212}{x}+\frac {x}{3}} \]
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Time = 0.08 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.05
method | result | size |
gosper | \({\mathrm e}^{\frac {x^{3}+12 x^{2}+636 x +8427}{3 x^{2}}}\) | \(20\) |
derivativedivides | \({\mathrm e}^{\frac {x^{3}+12 x^{2}+636 x +8427}{3 x^{2}}}\) | \(20\) |
default | \({\mathrm e}^{\frac {x^{3}+12 x^{2}+636 x +8427}{3 x^{2}}}\) | \(20\) |
norman | \({\mathrm e}^{\frac {x^{3}+12 x^{2}+636 x +8427}{3 x^{2}}}\) | \(20\) |
risch | \({\mathrm e}^{\frac {x^{3}+12 x^{2}+636 x +8427}{3 x^{2}}}\) | \(20\) |
parallelrisch | \({\mathrm e}^{\frac {x^{3}+12 x^{2}+636 x +8427}{3 x^{2}}}\) | \(20\) |
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none
Time = 0.24 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \left (-16854-636 x+x^3\right )}{3 x^3} \, dx=e^{\left (\frac {x^{3} + 12 \, x^{2} + 636 \, x + 8427}{3 \, x^{2}}\right )} \]
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Time = 0.07 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \left (-16854-636 x+x^3\right )}{3 x^3} \, dx=e^{\frac {\frac {x^{3}}{3} + 4 x^{2} + 212 x + 2809}{x^{2}}} \]
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none
Time = 0.32 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.84 \[ \int \frac {e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \left (-16854-636 x+x^3\right )}{3 x^3} \, dx=e^{\left (\frac {1}{3} \, x + \frac {212}{x} + \frac {2809}{x^{2}} + 4\right )} \]
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none
Time = 0.29 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.84 \[ \int \frac {e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \left (-16854-636 x+x^3\right )}{3 x^3} \, dx=e^{\left (\frac {1}{3} \, x + \frac {212}{x} + \frac {2809}{x^{2}} + 4\right )} \]
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Time = 12.25 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \left (-16854-636 x+x^3\right )}{3 x^3} \, dx={\mathrm {e}}^{x/3}\,{\mathrm {e}}^4\,{\mathrm {e}}^{212/x}\,{\mathrm {e}}^{\frac {2809}{x^2}} \]
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