Integrand size = 77, antiderivative size = 30 \[ \int \frac {4+12 x+5 x^2+e^4 \left (-4+20 x-5 x^2\right )}{32+32 x-24 x^2-16 x^3+8 x^4+e^8 \left (32-32 x+8 x^2\right )+e^4 \left (64-48 x^2+16 x^3\right )} \, dx=5 \left (10+\frac {\frac {4}{5}-x^2}{8 (-2+x) \left (1+e^4+x\right )}\right ) \]
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Time = 0.09 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.70, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.052, Rules used = {1694, 12, 1828, 8} \[ \int \frac {4+12 x+5 x^2+e^4 \left (-4+20 x-5 x^2\right )}{32+32 x-24 x^2-16 x^3+8 x^4+e^8 \left (32-32 x+8 x^2\right )+e^4 \left (64-48 x^2+16 x^3\right )} \, dx=\frac {5 \left (1-e^4\right ) x+2 \left (3+5 e^4\right )}{2 \left (\left (3+e^4\right )^2-4 \left (x+\frac {1}{32} \left (16 e^4-16\right )\right )^2\right )} \]
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Rule 8
Rule 12
Rule 1694
Rule 1828
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \frac {5 \left (1-e^4\right ) \left (3+e^4\right )^2+4 \left (17+10 e^4+5 e^8\right ) x+20 \left (1-e^4\right ) x^2}{2 \left (9+6 e^4+e^8-4 x^2\right )^2} \, dx,x,\frac {1}{32} \left (-16+16 e^4\right )+x\right ) \\ & = \frac {1}{2} \text {Subst}\left (\int \frac {5 \left (1-e^4\right ) \left (3+e^4\right )^2+4 \left (17+10 e^4+5 e^8\right ) x+20 \left (1-e^4\right ) x^2}{\left (9+6 e^4+e^8-4 x^2\right )^2} \, dx,x,\frac {1}{32} \left (-16+16 e^4\right )+x\right ) \\ & = \frac {2 \left (3+5 e^4\right )+5 \left (1-e^4\right ) x}{2 \left (\left (3+e^4\right )^2-\left (1-e^4-2 x\right )^2\right )}-\frac {\text {Subst}\left (\int 0 \, dx,x,\frac {1}{32} \left (-16+16 e^4\right )+x\right )}{4 \left (3+e^4\right )^2} \\ & = \frac {2 \left (3+5 e^4\right )+5 \left (1-e^4\right ) x}{2 \left (\left (3+e^4\right )^2-\left (1-e^4-2 x\right )^2\right )} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.00 \[ \int \frac {4+12 x+5 x^2+e^4 \left (-4+20 x-5 x^2\right )}{32+32 x-24 x^2-16 x^3+8 x^4+e^8 \left (32-32 x+8 x^2\right )+e^4 \left (64-48 x^2+16 x^3\right )} \, dx=\frac {-6+5 e^4 (-2+x)-5 x}{8 (-2+x) \left (1+e^4+x\right )} \]
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Time = 1.10 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.13
method | result | size |
norman | \(\frac {\left (\frac {5 \,{\mathrm e}^{4}}{8}-\frac {5}{8}\right ) x -\frac {5 \,{\mathrm e}^{4}}{4}-\frac {3}{4}}{\left (-2+x \right ) \left ({\mathrm e}^{4}+x +1\right )}\) | \(34\) |
risch | \(\frac {\left (\frac {5 \,{\mathrm e}^{4}}{8}-\frac {5}{8}\right ) x -\frac {5 \,{\mathrm e}^{4}}{4}-\frac {3}{4}}{x \,{\mathrm e}^{4}-2 \,{\mathrm e}^{4}+x^{2}-x -2}\) | \(34\) |
gosper | \(\frac {5 x \,{\mathrm e}^{4}-10 \,{\mathrm e}^{4}-5 x -6}{8 x \,{\mathrm e}^{4}-16 \,{\mathrm e}^{4}+8 x^{2}-8 x -16}\) | \(43\) |
parallelrisch | \(\frac {5 x \,{\mathrm e}^{4}-10 \,{\mathrm e}^{4}-5 x -6}{8 x \,{\mathrm e}^{4}-16 \,{\mathrm e}^{4}+8 x^{2}-8 x -16}\) | \(43\) |
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Time = 0.23 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.00 \[ \int \frac {4+12 x+5 x^2+e^4 \left (-4+20 x-5 x^2\right )}{32+32 x-24 x^2-16 x^3+8 x^4+e^8 \left (32-32 x+8 x^2\right )+e^4 \left (64-48 x^2+16 x^3\right )} \, dx=\frac {5 \, {\left (x - 2\right )} e^{4} - 5 \, x - 6}{8 \, {\left (x^{2} + {\left (x - 2\right )} e^{4} - x - 2\right )}} \]
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Time = 0.52 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.13 \[ \int \frac {4+12 x+5 x^2+e^4 \left (-4+20 x-5 x^2\right )}{32+32 x-24 x^2-16 x^3+8 x^4+e^8 \left (32-32 x+8 x^2\right )+e^4 \left (64-48 x^2+16 x^3\right )} \, dx=\frac {x \left (-5 + 5 e^{4}\right ) - 10 e^{4} - 6}{8 x^{2} + x \left (-8 + 8 e^{4}\right ) - 16 e^{4} - 16} \]
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Time = 0.21 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.07 \[ \int \frac {4+12 x+5 x^2+e^4 \left (-4+20 x-5 x^2\right )}{32+32 x-24 x^2-16 x^3+8 x^4+e^8 \left (32-32 x+8 x^2\right )+e^4 \left (64-48 x^2+16 x^3\right )} \, dx=\frac {5 \, x {\left (e^{4} - 1\right )} - 10 \, e^{4} - 6}{8 \, {\left (x^{2} + x {\left (e^{4} - 1\right )} - 2 \, e^{4} - 2\right )}} \]
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Time = 0.26 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.13 \[ \int \frac {4+12 x+5 x^2+e^4 \left (-4+20 x-5 x^2\right )}{32+32 x-24 x^2-16 x^3+8 x^4+e^8 \left (32-32 x+8 x^2\right )+e^4 \left (64-48 x^2+16 x^3\right )} \, dx=\frac {5 \, x e^{4} - 5 \, x - 10 \, e^{4} - 6}{8 \, {\left (x^{2} + x e^{4} - x - 2 \, e^{4} - 2\right )}} \]
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Time = 8.98 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.93 \[ \int \frac {4+12 x+5 x^2+e^4 \left (-4+20 x-5 x^2\right )}{32+32 x-24 x^2-16 x^3+8 x^4+e^8 \left (32-32 x+8 x^2\right )+e^4 \left (64-48 x^2+16 x^3\right )} \, dx=-\frac {5\,x+10\,{\mathrm {e}}^4-5\,x\,{\mathrm {e}}^4+6}{8\,\left (x-2\right )\,\left (x+{\mathrm {e}}^4+1\right )} \]
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