Integrand size = 57, antiderivative size = 29 \[ \int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{e^5 \left (256 x^2+128 x^3+16 x^4\right )} \, dx=\frac {1}{32 e^5 x (4+x)}-\left (x^2-x^3\right )^2 \]
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Time = 0.05 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.31, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.070, Rules used = {12, 1608, 27, 1634} \[ \int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{e^5 \left (256 x^2+128 x^3+16 x^4\right )} \, dx=-x^6+2 x^5-x^4-\frac {1}{128 e^5 (x+4)}+\frac {1}{128 e^5 x} \]
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Rule 12
Rule 27
Rule 1608
Rule 1634
Rubi steps \begin{align*} \text {integral}& = \frac {\int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{256 x^2+128 x^3+16 x^4} \, dx}{e^5} \\ & = \frac {\int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{x^2 \left (256+128 x+16 x^2\right )} \, dx}{e^5} \\ & = \frac {\int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{16 x^2 (4+x)^2} \, dx}{e^5} \\ & = \frac {\int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{x^2 (4+x)^2} \, dx}{16 e^5} \\ & = \frac {\int \left (-\frac {1}{8 x^2}-64 e^5 x^3+160 e^5 x^4-96 e^5 x^5+\frac {1}{8 (4+x)^2}\right ) \, dx}{16 e^5} \\ & = \frac {1}{128 e^5 x}-x^4+2 x^5-x^6-\frac {1}{128 e^5 (4+x)} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.14 \[ \int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{e^5 \left (256 x^2+128 x^3+16 x^4\right )} \, dx=-\frac {16 e^5 (-1+x)^2 x^4-\frac {1}{2 x (4+x)}}{16 e^5} \]
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Time = 0.18 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00
method | result | size |
risch | \(-x^{6}+2 x^{5}-x^{4}+\frac {{\mathrm e}^{-5}}{32 x \left (4+x \right )}\) | \(29\) |
norman | \(\frac {-4 x^{5}+7 x^{6}-2 x^{7}-x^{8}+\frac {{\mathrm e}^{-5}}{32}}{\left (4+x \right ) x}\) | \(37\) |
default | \(\frac {{\mathrm e}^{-5} \left (-16 x^{6} {\mathrm e}^{5}+32 x^{5} {\mathrm e}^{5}-16 x^{4} {\mathrm e}^{5}+\frac {1}{8 x}-\frac {1}{8 \left (4+x \right )}\right )}{16}\) | \(41\) |
gosper | \(-\frac {\left (32 x^{8} {\mathrm e}^{5}+64 x^{7} {\mathrm e}^{5}-224 x^{6} {\mathrm e}^{5}+128 x^{5} {\mathrm e}^{5}-1\right ) {\mathrm e}^{-5}}{32 x \left (4+x \right )}\) | \(45\) |
parallelrisch | \(-\frac {\left (32 x^{8} {\mathrm e}^{5}+64 x^{7} {\mathrm e}^{5}-224 x^{6} {\mathrm e}^{5}+128 x^{5} {\mathrm e}^{5}-1\right ) {\mathrm e}^{-5}}{32 x \left (4+x \right )}\) | \(45\) |
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Time = 0.26 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.31 \[ \int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{e^5 \left (256 x^2+128 x^3+16 x^4\right )} \, dx=-\frac {{\left (32 \, {\left (x^{8} + 2 \, x^{7} - 7 \, x^{6} + 4 \, x^{5}\right )} e^{5} - 1\right )} e^{\left (-5\right )}}{32 \, {\left (x^{2} + 4 \, x\right )}} \]
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Time = 0.12 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.93 \[ \int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{e^5 \left (256 x^2+128 x^3+16 x^4\right )} \, dx=- x^{6} + 2 x^{5} - x^{4} + \frac {1}{32 x^{2} e^{5} + 128 x e^{5}} \]
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Time = 0.19 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.28 \[ \int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{e^5 \left (256 x^2+128 x^3+16 x^4\right )} \, dx=-\frac {1}{32} \, {\left (32 \, x^{6} e^{5} - 64 \, x^{5} e^{5} + 32 \, x^{4} e^{5} - \frac {1}{x^{2} + 4 \, x}\right )} e^{\left (-5\right )} \]
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Time = 0.27 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.28 \[ \int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{e^5 \left (256 x^2+128 x^3+16 x^4\right )} \, dx=-\frac {1}{32} \, {\left (32 \, x^{6} e^{5} - 64 \, x^{5} e^{5} + 32 \, x^{4} e^{5} - \frac {1}{x^{2} + 4 \, x}\right )} e^{\left (-5\right )} \]
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Time = 0.11 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.07 \[ \int \frac {-2-x+e^5 \left (-1024 x^5+2048 x^6-320 x^7-608 x^8-96 x^9\right )}{e^5 \left (256 x^2+128 x^3+16 x^4\right )} \, dx=\frac {1}{2\,\left (16\,{\mathrm {e}}^5\,x^2+64\,{\mathrm {e}}^5\,x\right )}-x^4+2\,x^5-x^6 \]
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