Integrand size = 33, antiderivative size = 27 \[ \int \frac {e^{\frac {-12+28 x+11 x^2}{12 x}} \left (12+11 x^2\right )}{12 x^2} \, dx=e^{\frac {2 x+x^2+\frac {1}{3} \left (-3+x-\frac {x^2}{4}\right )}{x}} \]
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Time = 0.12 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.70, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.061, Rules used = {12, 6838} \[ \int \frac {e^{\frac {-12+28 x+11 x^2}{12 x}} \left (12+11 x^2\right )}{12 x^2} \, dx=e^{-\frac {-11 x^2-28 x+12}{12 x}} \]
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Rule 12
Rule 6838
Rubi steps \begin{align*} \text {integral}& = \frac {1}{12} \int \frac {e^{\frac {-12+28 x+11 x^2}{12 x}} \left (12+11 x^2\right )}{x^2} \, dx \\ & = e^{-\frac {12-28 x-11 x^2}{12 x}} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.59 \[ \int \frac {e^{\frac {-12+28 x+11 x^2}{12 x}} \left (12+11 x^2\right )}{12 x^2} \, dx=e^{\frac {7}{3}-\frac {1}{x}+\frac {11 x}{12}} \]
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Time = 0.06 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.63
method | result | size |
gosper | \({\mathrm e}^{\frac {11 x^{2}+28 x -12}{12 x}}\) | \(17\) |
derivativedivides | \({\mathrm e}^{\frac {11 x^{2}+28 x -12}{12 x}}\) | \(17\) |
default | \({\mathrm e}^{\frac {11 x^{2}+28 x -12}{12 x}}\) | \(17\) |
norman | \({\mathrm e}^{\frac {11 x^{2}+28 x -12}{12 x}}\) | \(17\) |
risch | \({\mathrm e}^{\frac {11 x^{2}+28 x -12}{12 x}}\) | \(17\) |
parallelrisch | \({\mathrm e}^{\frac {11 x^{2}+28 x -12}{12 x}}\) | \(17\) |
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none
Time = 0.33 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.59 \[ \int \frac {e^{\frac {-12+28 x+11 x^2}{12 x}} \left (12+11 x^2\right )}{12 x^2} \, dx=e^{\left (\frac {11 \, x^{2} + 28 \, x - 12}{12 \, x}\right )} \]
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Time = 0.06 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.56 \[ \int \frac {e^{\frac {-12+28 x+11 x^2}{12 x}} \left (12+11 x^2\right )}{12 x^2} \, dx=e^{\frac {\frac {11 x^{2}}{12} + \frac {7 x}{3} - 1}{x}} \]
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none
Time = 0.26 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.41 \[ \int \frac {e^{\frac {-12+28 x+11 x^2}{12 x}} \left (12+11 x^2\right )}{12 x^2} \, dx=e^{\left (\frac {11}{12} \, x - \frac {1}{x} + \frac {7}{3}\right )} \]
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none
Time = 0.28 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.41 \[ \int \frac {e^{\frac {-12+28 x+11 x^2}{12 x}} \left (12+11 x^2\right )}{12 x^2} \, dx=e^{\left (\frac {11}{12} \, x - \frac {1}{x} + \frac {7}{3}\right )} \]
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Time = 11.96 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.48 \[ \int \frac {e^{\frac {-12+28 x+11 x^2}{12 x}} \left (12+11 x^2\right )}{12 x^2} \, dx={\mathrm {e}}^{\frac {11\,x}{12}}\,{\mathrm {e}}^{7/3}\,{\mathrm {e}}^{-\frac {1}{x}} \]
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