Integrand size = 34, antiderivative size = 23 \[ \int \frac {-5 x^5+e^{2 x} \left (-16+8 x-20 x^2+20 x^3\right )}{5 x^5} \, dx=\frac {2 e^{2 x} \left (5+\frac {2}{x^2}\right )}{5 x^2}-x \]
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Time = 0.14 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.13, number of steps used = 19, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.147, Rules used = {12, 14, 2230, 2208, 2209} \[ \int \frac {-5 x^5+e^{2 x} \left (-16+8 x-20 x^2+20 x^3\right )}{5 x^5} \, dx=\frac {4 e^{2 x}}{5 x^4}+\frac {2 e^{2 x}}{x^2}-x \]
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Rule 12
Rule 14
Rule 2208
Rule 2209
Rule 2230
Rubi steps \begin{align*} \text {integral}& = \frac {1}{5} \int \frac {-5 x^5+e^{2 x} \left (-16+8 x-20 x^2+20 x^3\right )}{x^5} \, dx \\ & = \frac {1}{5} \int \left (-5+\frac {4 e^{2 x} \left (-4+2 x-5 x^2+5 x^3\right )}{x^5}\right ) \, dx \\ & = -x+\frac {4}{5} \int \frac {e^{2 x} \left (-4+2 x-5 x^2+5 x^3\right )}{x^5} \, dx \\ & = -x+\frac {4}{5} \int \left (-\frac {4 e^{2 x}}{x^5}+\frac {2 e^{2 x}}{x^4}-\frac {5 e^{2 x}}{x^3}+\frac {5 e^{2 x}}{x^2}\right ) \, dx \\ & = -x+\frac {8}{5} \int \frac {e^{2 x}}{x^4} \, dx-\frac {16}{5} \int \frac {e^{2 x}}{x^5} \, dx-4 \int \frac {e^{2 x}}{x^3} \, dx+4 \int \frac {e^{2 x}}{x^2} \, dx \\ & = \frac {4 e^{2 x}}{5 x^4}-\frac {8 e^{2 x}}{15 x^3}+\frac {2 e^{2 x}}{x^2}-\frac {4 e^{2 x}}{x}-x+\frac {16}{15} \int \frac {e^{2 x}}{x^3} \, dx-\frac {8}{5} \int \frac {e^{2 x}}{x^4} \, dx-4 \int \frac {e^{2 x}}{x^2} \, dx+8 \int \frac {e^{2 x}}{x} \, dx \\ & = \frac {4 e^{2 x}}{5 x^4}+\frac {22 e^{2 x}}{15 x^2}-x+8 \text {Ei}(2 x)-\frac {16}{15} \int \frac {e^{2 x}}{x^3} \, dx+\frac {16}{15} \int \frac {e^{2 x}}{x^2} \, dx-8 \int \frac {e^{2 x}}{x} \, dx \\ & = \frac {4 e^{2 x}}{5 x^4}+\frac {2 e^{2 x}}{x^2}-\frac {16 e^{2 x}}{15 x}-x-\frac {16}{15} \int \frac {e^{2 x}}{x^2} \, dx+\frac {32}{15} \int \frac {e^{2 x}}{x} \, dx \\ & = \frac {4 e^{2 x}}{5 x^4}+\frac {2 e^{2 x}}{x^2}-x+\frac {32 \text {Ei}(2 x)}{15}-\frac {32}{15} \int \frac {e^{2 x}}{x} \, dx \\ & = \frac {4 e^{2 x}}{5 x^4}+\frac {2 e^{2 x}}{x^2}-x \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.09 \[ \int \frac {-5 x^5+e^{2 x} \left (-16+8 x-20 x^2+20 x^3\right )}{5 x^5} \, dx=-x+\frac {2 e^{2 x} \left (2 x+5 x^3\right )}{5 x^5} \]
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Time = 1.93 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91
method | result | size |
risch | \(-x +\frac {2 \left (5 x^{2}+2\right ) {\mathrm e}^{2 x}}{5 x^{4}}\) | \(21\) |
derivativedivides | \(-x +\frac {4 \,{\mathrm e}^{2 x}}{5 x^{4}}+\frac {2 \,{\mathrm e}^{2 x}}{x^{2}}\) | \(23\) |
default | \(-x +\frac {4 \,{\mathrm e}^{2 x}}{5 x^{4}}+\frac {2 \,{\mathrm e}^{2 x}}{x^{2}}\) | \(23\) |
parts | \(-x +\frac {4 \,{\mathrm e}^{2 x}}{5 x^{4}}+\frac {2 \,{\mathrm e}^{2 x}}{x^{2}}\) | \(23\) |
parallelrisch | \(-\frac {5 x^{5}-10 \,{\mathrm e}^{2 x} x^{2}-4 \,{\mathrm e}^{2 x}}{5 x^{4}}\) | \(27\) |
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Time = 0.24 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int \frac {-5 x^5+e^{2 x} \left (-16+8 x-20 x^2+20 x^3\right )}{5 x^5} \, dx=-\frac {5 \, x^{5} - 2 \, {\left (5 \, x^{2} + 2\right )} e^{\left (2 \, x\right )}}{5 \, x^{4}} \]
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Time = 0.07 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.74 \[ \int \frac {-5 x^5+e^{2 x} \left (-16+8 x-20 x^2+20 x^3\right )}{5 x^5} \, dx=- x + \frac {\left (10 x^{2} + 4\right ) e^{2 x}}{5 x^{4}} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.21 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.39 \[ \int \frac {-5 x^5+e^{2 x} \left (-16+8 x-20 x^2+20 x^3\right )}{5 x^5} \, dx=-x + 8 \, \Gamma \left (-1, -2 \, x\right ) + 16 \, \Gamma \left (-2, -2 \, x\right ) + \frac {64}{5} \, \Gamma \left (-3, -2 \, x\right ) + \frac {256}{5} \, \Gamma \left (-4, -2 \, x\right ) \]
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Time = 0.26 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.13 \[ \int \frac {-5 x^5+e^{2 x} \left (-16+8 x-20 x^2+20 x^3\right )}{5 x^5} \, dx=-\frac {5 \, x^{5} - 10 \, x^{2} e^{\left (2 \, x\right )} - 4 \, e^{\left (2 \, x\right )}}{5 \, x^{4}} \]
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Time = 8.74 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int \frac {-5 x^5+e^{2 x} \left (-16+8 x-20 x^2+20 x^3\right )}{5 x^5} \, dx=\frac {\frac {4\,{\mathrm {e}}^{2\,x}}{5}+2\,x^2\,{\mathrm {e}}^{2\,x}}{x^4}-x \]
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