Integrand size = 38, antiderivative size = 21 \[ \int \frac {e^{2+\frac {1}{4} (9+8 x)} \left (160 x+152 x^2-16 x^3\right )}{100-20 x+x^2} \, dx=\frac {8 e^{\frac {17}{4}+2 x} x^2}{10-x} \]
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Time = 0.15 (sec) , antiderivative size = 42, normalized size of antiderivative = 2.00, number of steps used = 10, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.184, Rules used = {27, 1608, 2230, 2225, 2208, 2209, 2207} \[ \int \frac {e^{2+\frac {1}{4} (9+8 x)} \left (160 x+152 x^2-16 x^3\right )}{100-20 x+x^2} \, dx=-8 e^{2 x+\frac {17}{4}} x-80 e^{2 x+\frac {17}{4}}+\frac {800 e^{2 x+\frac {17}{4}}}{10-x} \]
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Rule 27
Rule 1608
Rule 2207
Rule 2208
Rule 2209
Rule 2225
Rule 2230
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{2+\frac {1}{4} (9+8 x)} \left (160 x+152 x^2-16 x^3\right )}{(-10+x)^2} \, dx \\ & = \int \frac {e^{2+\frac {1}{4} (9+8 x)} x \left (160+152 x-16 x^2\right )}{(-10+x)^2} \, dx \\ & = \int \left (-168 e^{\frac {17}{4}+2 x}+\frac {800 e^{\frac {17}{4}+2 x}}{(-10+x)^2}-\frac {1600 e^{\frac {17}{4}+2 x}}{-10+x}-16 e^{\frac {17}{4}+2 x} x\right ) \, dx \\ & = -\left (16 \int e^{\frac {17}{4}+2 x} x \, dx\right )-168 \int e^{\frac {17}{4}+2 x} \, dx+800 \int \frac {e^{\frac {17}{4}+2 x}}{(-10+x)^2} \, dx-1600 \int \frac {e^{\frac {17}{4}+2 x}}{-10+x} \, dx \\ & = -84 e^{\frac {17}{4}+2 x}+\frac {800 e^{\frac {17}{4}+2 x}}{10-x}-8 e^{\frac {17}{4}+2 x} x-1600 e^{97/4} \text {Ei}(-2 (10-x))+8 \int e^{\frac {17}{4}+2 x} \, dx+1600 \int \frac {e^{\frac {17}{4}+2 x}}{-10+x} \, dx \\ & = -80 e^{\frac {17}{4}+2 x}+\frac {800 e^{\frac {17}{4}+2 x}}{10-x}-8 e^{\frac {17}{4}+2 x} x \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {e^{2+\frac {1}{4} (9+8 x)} \left (160 x+152 x^2-16 x^3\right )}{100-20 x+x^2} \, dx=-\frac {8 e^{\frac {17}{4}+2 x} x^2}{-10+x} \]
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Time = 2.07 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81
method | result | size |
gosper | \(-\frac {8 x^{2} {\mathrm e}^{\frac {17}{4}+2 x}}{x -10}\) | \(17\) |
risch | \(-\frac {8 x^{2} {\mathrm e}^{\frac {17}{4}+2 x}}{x -10}\) | \(17\) |
norman | \(-\frac {8 x^{2} {\mathrm e}^{2} {\mathrm e}^{2 x +\frac {9}{4}}}{x -10}\) | \(19\) |
parallelrisch | \(-\frac {8 x^{2} {\mathrm e}^{2} {\mathrm e}^{2 x +\frac {9}{4}}}{x -10}\) | \(19\) |
derivativedivides | \(4 \,{\mathrm e}^{2} \left (-\frac {400 \,{\mathrm e}^{2 x +\frac {9}{4}}}{2 x -20}-\frac {71 \,{\mathrm e}^{2 x +\frac {9}{4}}}{4}-{\mathrm e}^{2 x +\frac {9}{4}} \left (2 x +\frac {9}{4}\right )\right )\) | \(42\) |
default | \(8 \,{\mathrm e}^{2} \left (-\frac {200 \,{\mathrm e}^{2 x +\frac {9}{4}}}{2 x -20}-\frac {71 \,{\mathrm e}^{2 x +\frac {9}{4}}}{8}-\frac {{\mathrm e}^{2 x +\frac {9}{4}} \left (2 x +\frac {9}{4}\right )}{2}\right )\) | \(42\) |
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Time = 0.27 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int \frac {e^{2+\frac {1}{4} (9+8 x)} \left (160 x+152 x^2-16 x^3\right )}{100-20 x+x^2} \, dx=-\frac {8 \, x^{2} e^{\left (2 \, x + \frac {17}{4}\right )}}{x - 10} \]
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Time = 0.07 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int \frac {e^{2+\frac {1}{4} (9+8 x)} \left (160 x+152 x^2-16 x^3\right )}{100-20 x+x^2} \, dx=- \frac {8 x^{2} e^{2} e^{2 x + \frac {9}{4}}}{x - 10} \]
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Time = 0.24 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int \frac {e^{2+\frac {1}{4} (9+8 x)} \left (160 x+152 x^2-16 x^3\right )}{100-20 x+x^2} \, dx=-\frac {8 \, x^{2} e^{\left (2 \, x + \frac {17}{4}\right )}}{x - 10} \]
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Time = 0.27 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int \frac {e^{2+\frac {1}{4} (9+8 x)} \left (160 x+152 x^2-16 x^3\right )}{100-20 x+x^2} \, dx=-\frac {8 \, x^{2} e^{\left (2 \, x + \frac {17}{4}\right )}}{x - 10} \]
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Time = 9.50 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int \frac {e^{2+\frac {1}{4} (9+8 x)} \left (160 x+152 x^2-16 x^3\right )}{100-20 x+x^2} \, dx=-\frac {8\,x^2\,{\mathrm {e}}^{2\,x}\,{\mathrm {e}}^{17/4}}{x-10} \]
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