Integrand size = 62, antiderivative size = 21 \[ \int \frac {-4+e^{24} \left (256-4 x^2\right )+e^{48} \left (-4096-6 x+128 x^2-x^4\right )}{4+e^{24} \left (-256+4 x^2\right )+e^{48} \left (4096-128 x^2+x^4\right )} \, dx=-\frac {2}{5}-x+\frac {3}{-64+\frac {2}{e^{24}}+x^2} \]
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Time = 0.04 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.33, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.081, Rules used = {2019, 28, 1828, 21, 8} \[ \int \frac {-4+e^{24} \left (256-4 x^2\right )+e^{48} \left (-4096-6 x+128 x^2-x^4\right )}{4+e^{24} \left (-256+4 x^2\right )+e^{48} \left (4096-128 x^2+x^4\right )} \, dx=\frac {3 e^{24}}{e^{24} x^2+2 \left (1-32 e^{24}\right )}-x \]
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Rule 8
Rule 21
Rule 28
Rule 1828
Rule 2019
Rubi steps \begin{align*} \text {integral}& = \int \frac {-4+e^{24} \left (256-4 x^2\right )+e^{48} \left (-4096-6 x+128 x^2-x^4\right )}{4 \left (1-32 e^{24}\right )^2+4 e^{24} \left (1-32 e^{24}\right ) x^2+e^{48} x^4} \, dx \\ & = e^{48} \int \frac {-4+e^{24} \left (256-4 x^2\right )+e^{48} \left (-4096-6 x+128 x^2-x^4\right )}{\left (2 e^{24} \left (1-32 e^{24}\right )+e^{48} x^2\right )^2} \, dx \\ & = \frac {3 e^{24}}{2 \left (1-32 e^{24}\right )+e^{24} x^2}-\frac {e^{24} \int \frac {8 \left (1-32 e^{24}\right )^2+4 e^{24} \left (1-32 e^{24}\right ) x^2}{2 e^{24} \left (1-32 e^{24}\right )+e^{48} x^2} \, dx}{4 \left (1-32 e^{24}\right )} \\ & = \frac {3 e^{24}}{2 \left (1-32 e^{24}\right )+e^{24} x^2}-\int 1 \, dx \\ & = -x+\frac {3 e^{24}}{2 \left (1-32 e^{24}\right )+e^{24} x^2} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.05 \[ \int \frac {-4+e^{24} \left (256-4 x^2\right )+e^{48} \left (-4096-6 x+128 x^2-x^4\right )}{4+e^{24} \left (-256+4 x^2\right )+e^{48} \left (4096-128 x^2+x^4\right )} \, dx=-x+\frac {3 e^{24}}{2+e^{24} \left (-64+x^2\right )} \]
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Time = 0.26 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.10
method | result | size |
risch | \(-x +\frac {3 \,{\mathrm e}^{24}}{x^{2} {\mathrm e}^{24}-64 \,{\mathrm e}^{24}+2}\) | \(23\) |
gosper | \(-\frac {x^{3} {\mathrm e}^{24}-64 x \,{\mathrm e}^{24}-3 \,{\mathrm e}^{24}+2 x}{x^{2} {\mathrm e}^{24}-64 \,{\mathrm e}^{24}+2}\) | \(36\) |
parallelrisch | \(-\frac {\left (x^{3} {\mathrm e}^{48}-64 x \,{\mathrm e}^{48}-3 \,{\mathrm e}^{48}+2 x \,{\mathrm e}^{24}\right ) {\mathrm e}^{-24}}{x^{2} {\mathrm e}^{24}-64 \,{\mathrm e}^{24}+2}\) | \(48\) |
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Time = 0.25 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.38 \[ \int \frac {-4+e^{24} \left (256-4 x^2\right )+e^{48} \left (-4096-6 x+128 x^2-x^4\right )}{4+e^{24} \left (-256+4 x^2\right )+e^{48} \left (4096-128 x^2+x^4\right )} \, dx=-\frac {{\left (x^{3} - 64 \, x - 3\right )} e^{24} + 2 \, x}{{\left (x^{2} - 64\right )} e^{24} + 2} \]
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Time = 0.24 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {-4+e^{24} \left (256-4 x^2\right )+e^{48} \left (-4096-6 x+128 x^2-x^4\right )}{4+e^{24} \left (-256+4 x^2\right )+e^{48} \left (4096-128 x^2+x^4\right )} \, dx=- x + \frac {3 e^{24}}{x^{2} e^{24} - 64 e^{24} + 2} \]
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Time = 0.19 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.05 \[ \int \frac {-4+e^{24} \left (256-4 x^2\right )+e^{48} \left (-4096-6 x+128 x^2-x^4\right )}{4+e^{24} \left (-256+4 x^2\right )+e^{48} \left (4096-128 x^2+x^4\right )} \, dx=-x + \frac {3 \, e^{24}}{x^{2} e^{24} - 64 \, e^{24} + 2} \]
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Time = 0.27 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.05 \[ \int \frac {-4+e^{24} \left (256-4 x^2\right )+e^{48} \left (-4096-6 x+128 x^2-x^4\right )}{4+e^{24} \left (-256+4 x^2\right )+e^{48} \left (4096-128 x^2+x^4\right )} \, dx=-x + \frac {3 \, e^{24}}{x^{2} e^{24} - 64 \, e^{24} + 2} \]
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Time = 12.49 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.05 \[ \int \frac {-4+e^{24} \left (256-4 x^2\right )+e^{48} \left (-4096-6 x+128 x^2-x^4\right )}{4+e^{24} \left (-256+4 x^2\right )+e^{48} \left (4096-128 x^2+x^4\right )} \, dx=\frac {3\,{\mathrm {e}}^{24}}{{\mathrm {e}}^{24}\,x^2-64\,{\mathrm {e}}^{24}+2}-x \]
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