Integrand size = 56, antiderivative size = 22 \[ \int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4+2 x^5+x^6} \, dx=\frac {-2+e^{\frac {\left (3+x^2\right )^2}{x^3}}+x}{1+x} \]
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\[ \int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4+2 x^5+x^6} \, dx=\int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4+2 x^5+x^6} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4 \left (1+2 x+x^2\right )} \, dx \\ & = \int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4 (1+x)^2} \, dx \\ & = \int \left (\frac {3}{(1+x)^2}+\frac {e^{\frac {\left (3+x^2\right )^2}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4 (1+x)^2}\right ) \, dx \\ & = -\frac {3}{1+x}+\int \frac {e^{\frac {\left (3+x^2\right )^2}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4 (1+x)^2} \, dx \\ & = -\frac {3}{1+x}+\int \left (-\frac {27 e^{\frac {\left (3+x^2\right )^2}{x^3}}}{x^4}+\frac {27 e^{\frac {\left (3+x^2\right )^2}{x^3}}}{x^3}-\frac {33 e^{\frac {\left (3+x^2\right )^2}{x^3}}}{x^2}+\frac {33 e^{\frac {\left (3+x^2\right )^2}{x^3}}}{x}-\frac {e^{\frac {\left (3+x^2\right )^2}{x^3}}}{(1+x)^2}-\frac {32 e^{\frac {\left (3+x^2\right )^2}{x^3}}}{1+x}\right ) \, dx \\ & = -\frac {3}{1+x}-27 \int \frac {e^{\frac {\left (3+x^2\right )^2}{x^3}}}{x^4} \, dx+27 \int \frac {e^{\frac {\left (3+x^2\right )^2}{x^3}}}{x^3} \, dx-32 \int \frac {e^{\frac {\left (3+x^2\right )^2}{x^3}}}{1+x} \, dx-33 \int \frac {e^{\frac {\left (3+x^2\right )^2}{x^3}}}{x^2} \, dx+33 \int \frac {e^{\frac {\left (3+x^2\right )^2}{x^3}}}{x} \, dx-\int \frac {e^{\frac {\left (3+x^2\right )^2}{x^3}}}{(1+x)^2} \, dx \\ \end{align*}
Time = 0.32 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95 \[ \int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4+2 x^5+x^6} \, dx=\frac {-3+e^{\frac {\left (3+x^2\right )^2}{x^3}}}{1+x} \]
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Time = 1.18 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09
method | result | size |
parallelrisch | \(\frac {-3+{\mathrm e}^{\frac {x^{4}+6 x^{2}+9}{x^{3}}}}{1+x}\) | \(24\) |
risch | \(-\frac {3}{1+x}+\frac {{\mathrm e}^{\frac {\left (x^{2}+3\right )^{2}}{x^{3}}}}{1+x}\) | \(27\) |
parts | \(-\frac {3}{1+x}+\frac {{\mathrm e}^{\frac {x^{4}+6 x^{2}+9}{x^{3}}}}{1+x}\) | \(30\) |
norman | \(\frac {-3 x^{3}+{\mathrm e}^{\frac {x^{4}+6 x^{2}+9}{x^{3}}} x^{3}}{x^{3} \left (1+x \right )}\) | \(35\) |
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Time = 0.24 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05 \[ \int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4+2 x^5+x^6} \, dx=\frac {e^{\left (\frac {x^{4} + 6 \, x^{2} + 9}{x^{3}}\right )} - 3}{x + 1} \]
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Time = 0.09 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4+2 x^5+x^6} \, dx=\frac {e^{\frac {x^{4} + 6 x^{2} + 9}{x^{3}}}}{x + 1} - \frac {3}{x + 1} \]
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Time = 0.25 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.23 \[ \int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4+2 x^5+x^6} \, dx=\frac {e^{\left (x + \frac {6}{x} + \frac {9}{x^{3}}\right )}}{x + 1} - \frac {3}{x + 1} \]
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Time = 0.27 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05 \[ \int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4+2 x^5+x^6} \, dx=\frac {e^{\left (\frac {x^{4} + 6 \, x^{2} + 9}{x^{3}}\right )} - 3}{x + 1} \]
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Time = 9.09 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.14 \[ \int \frac {3 x^4+e^{\frac {9+6 x^2+x^4}{x^3}} \left (-27-27 x-6 x^2-6 x^3+x^5\right )}{x^4+2 x^5+x^6} \, dx=\frac {3\,x+{\mathrm {e}}^{6/x}\,{\mathrm {e}}^{\frac {9}{x^3}}\,{\mathrm {e}}^x}{x+1} \]
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