Integrand size = 65, antiderivative size = 32 \[ \int \frac {8 e^2-768 x+288 x^2}{2304 x^4-1152 x^5+144 x^6+e^4 \left (16-8 x+x^2\right )+e^2 \left (384 x^2-192 x^3+24 x^4\right )} \, dx=1-\frac {1}{(-4+x) \left (x^2+\frac {1}{2} x \left (\frac {e^2}{4 x}+x\right )\right )} \]
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Time = 0.07 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.25, number of steps used = 5, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.046, Rules used = {2099, 653, 209} \[ \int \frac {8 e^2-768 x+288 x^2}{2304 x^4-1152 x^5+144 x^6+e^4 \left (16-8 x+x^2\right )+e^2 \left (384 x^2-192 x^3+24 x^4\right )} \, dx=\frac {96 (x+4)}{\left (192+e^2\right ) \left (12 x^2+e^2\right )}+\frac {8}{\left (192+e^2\right ) (4-x)} \]
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Rule 209
Rule 653
Rule 2099
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {8}{\left (192+e^2\right ) (-4+x)^2}+\frac {192 \left (e^2-48 x\right )}{\left (192+e^2\right ) \left (e^2+12 x^2\right )^2}-\frac {96}{\left (192+e^2\right ) \left (e^2+12 x^2\right )}\right ) \, dx \\ & = \frac {8}{\left (192+e^2\right ) (4-x)}-\frac {96 \int \frac {1}{e^2+12 x^2} \, dx}{192+e^2}+\frac {192 \int \frac {e^2-48 x}{\left (e^2+12 x^2\right )^2} \, dx}{192+e^2} \\ & = \frac {8}{\left (192+e^2\right ) (4-x)}+\frac {96 (4+x)}{\left (192+e^2\right ) \left (e^2+12 x^2\right )}-\frac {16 \sqrt {3} \arctan \left (\frac {2 \sqrt {3} x}{e}\right )}{e \left (192+e^2\right )}+\frac {96 \int \frac {1}{e^2+12 x^2} \, dx}{192+e^2} \\ & = \frac {8}{\left (192+e^2\right ) (4-x)}+\frac {96 (4+x)}{\left (192+e^2\right ) \left (e^2+12 x^2\right )} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.56 \[ \int \frac {8 e^2-768 x+288 x^2}{2304 x^4-1152 x^5+144 x^6+e^4 \left (16-8 x+x^2\right )+e^2 \left (384 x^2-192 x^3+24 x^4\right )} \, dx=-\frac {8}{(-4+x) \left (e^2+12 x^2\right )} \]
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Time = 0.13 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.56
method | result | size |
norman | \(-\frac {8}{\left (x -4\right ) \left (12 x^{2}+{\mathrm e}^{2}\right )}\) | \(18\) |
gosper | \(-\frac {8}{12 x^{3}+{\mathrm e}^{2} x -48 x^{2}-4 \,{\mathrm e}^{2}}\) | \(24\) |
risch | \(-\frac {8}{12 x^{3}+{\mathrm e}^{2} x -48 x^{2}-4 \,{\mathrm e}^{2}}\) | \(24\) |
parallelrisch | \(-\frac {8}{12 x^{3}+{\mathrm e}^{2} x -48 x^{2}-4 \,{\mathrm e}^{2}}\) | \(24\) |
default | \(\frac {-\frac {96 \left (-\frac {{\mathrm e}^{-2} \left (221184 \,{\mathrm e}^{4}+576 \,{\mathrm e}^{2} {\mathrm e}^{4}+{\mathrm e}^{2} {\mathrm e}^{6}+14155776 \,{\mathrm e}^{2}+576 \,{\mathrm e}^{6}+{\mathrm e}^{8}\right ) x}{2}-442368 \,{\mathrm e}^{2}-2304 \,{\mathrm e}^{4}-4 \,{\mathrm e}^{6}-28311552\right )}{12 x^{2}+{\mathrm e}^{2}}-8 \left (576 \,{\mathrm e}^{2} {\mathrm e}^{4}+{\mathrm e}^{2} {\mathrm e}^{6}-576 \,{\mathrm e}^{6}-{\mathrm e}^{8}\right ) {\mathrm e}^{-2} \sqrt {3}\, {\mathrm e}^{-1} \arctan \left (2 x \sqrt {3}\, {\mathrm e}^{-1}\right )}{\left (36864+384 \,{\mathrm e}^{2}+{\mathrm e}^{4}\right )^{2}}-\frac {8 \left (110592 \,{\mathrm e}^{2}+576 \,{\mathrm e}^{4}+{\mathrm e}^{6}+7077888\right )}{\left (36864+384 \,{\mathrm e}^{2}+{\mathrm e}^{4}\right )^{2} \left (x -4\right )}\) | \(163\) |
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Time = 0.26 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.66 \[ \int \frac {8 e^2-768 x+288 x^2}{2304 x^4-1152 x^5+144 x^6+e^4 \left (16-8 x+x^2\right )+e^2 \left (384 x^2-192 x^3+24 x^4\right )} \, dx=-\frac {8}{12 \, x^{3} - 48 \, x^{2} + {\left (x - 4\right )} e^{2}} \]
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Time = 0.41 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.69 \[ \int \frac {8 e^2-768 x+288 x^2}{2304 x^4-1152 x^5+144 x^6+e^4 \left (16-8 x+x^2\right )+e^2 \left (384 x^2-192 x^3+24 x^4\right )} \, dx=- \frac {8}{12 x^{3} - 48 x^{2} + x e^{2} - 4 e^{2}} \]
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Time = 0.18 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.72 \[ \int \frac {8 e^2-768 x+288 x^2}{2304 x^4-1152 x^5+144 x^6+e^4 \left (16-8 x+x^2\right )+e^2 \left (384 x^2-192 x^3+24 x^4\right )} \, dx=-\frac {8}{12 \, x^{3} - 48 \, x^{2} + x e^{2} - 4 \, e^{2}} \]
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Time = 0.26 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.72 \[ \int \frac {8 e^2-768 x+288 x^2}{2304 x^4-1152 x^5+144 x^6+e^4 \left (16-8 x+x^2\right )+e^2 \left (384 x^2-192 x^3+24 x^4\right )} \, dx=-\frac {8}{12 \, x^{3} - 48 \, x^{2} + x e^{2} - 4 \, e^{2}} \]
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Time = 0.14 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.53 \[ \int \frac {8 e^2-768 x+288 x^2}{2304 x^4-1152 x^5+144 x^6+e^4 \left (16-8 x+x^2\right )+e^2 \left (384 x^2-192 x^3+24 x^4\right )} \, dx=-\frac {8}{\left (x-4\right )\,\left (12\,x^2+{\mathrm {e}}^2\right )} \]
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