Integrand size = 75, antiderivative size = 32 \[ \int \frac {1+4 x^2+e^{\frac {84+32 x+4 x^2+\left (21 x+8 x^2+x^3\right ) \log (x)}{x}} \left (168-42 x-24 x^2-2 x^3+\left (-16 x^2-4 x^3\right ) \log (x)\right )}{2 x^2} \, dx=5-e^{\left (5+(4+x)^2\right ) \left (\frac {4}{x}+\log (x)\right )}-\frac {1}{2 x}+2 x \]
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\[ \int \frac {1+4 x^2+e^{\frac {84+32 x+4 x^2+\left (21 x+8 x^2+x^3\right ) \log (x)}{x}} \left (168-42 x-24 x^2-2 x^3+\left (-16 x^2-4 x^3\right ) \log (x)\right )}{2 x^2} \, dx=\int \frac {1+4 x^2+\exp \left (\frac {84+32 x+4 x^2+\left (21 x+8 x^2+x^3\right ) \log (x)}{x}\right ) \left (168-42 x-24 x^2-2 x^3+\left (-16 x^2-4 x^3\right ) \log (x)\right )}{2 x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \int \frac {1+4 x^2+\exp \left (\frac {84+32 x+4 x^2+\left (21 x+8 x^2+x^3\right ) \log (x)}{x}\right ) \left (168-42 x-24 x^2-2 x^3+\left (-16 x^2-4 x^3\right ) \log (x)\right )}{x^2} \, dx \\ & = \frac {1}{2} \int \left (\frac {1+4 x^2}{x^2}-2 e^{32+\frac {84}{x}+4 x} x^{19+8 x+x^2} \left (-84+21 x+12 x^2+x^3+8 x^2 \log (x)+2 x^3 \log (x)\right )\right ) \, dx \\ & = \frac {1}{2} \int \frac {1+4 x^2}{x^2} \, dx-\int e^{32+\frac {84}{x}+4 x} x^{19+8 x+x^2} \left (-84+21 x+12 x^2+x^3+8 x^2 \log (x)+2 x^3 \log (x)\right ) \, dx \\ & = \frac {1}{2} \int \left (4+\frac {1}{x^2}\right ) \, dx-\int \left (-84 e^{32+\frac {84}{x}+4 x} x^{19+8 x+x^2}+21 e^{32+\frac {84}{x}+4 x} x^{20+8 x+x^2}+12 e^{32+\frac {84}{x}+4 x} x^{21+8 x+x^2}+e^{32+\frac {84}{x}+4 x} x^{22+8 x+x^2}+8 e^{32+\frac {84}{x}+4 x} x^{21+8 x+x^2} \log (x)+2 e^{32+\frac {84}{x}+4 x} x^{22+8 x+x^2} \log (x)\right ) \, dx \\ & = -\frac {1}{2 x}+2 x-2 \int e^{32+\frac {84}{x}+4 x} x^{22+8 x+x^2} \log (x) \, dx-8 \int e^{32+\frac {84}{x}+4 x} x^{21+8 x+x^2} \log (x) \, dx-12 \int e^{32+\frac {84}{x}+4 x} x^{21+8 x+x^2} \, dx-21 \int e^{32+\frac {84}{x}+4 x} x^{20+8 x+x^2} \, dx+84 \int e^{32+\frac {84}{x}+4 x} x^{19+8 x+x^2} \, dx-\int e^{32+\frac {84}{x}+4 x} x^{22+8 x+x^2} \, dx \\ & = -\frac {1}{2 x}+2 x+2 \int \frac {\int e^{4 \left (8+\frac {21}{x}+x\right )} x^{22+8 x+x^2} \, dx}{x} \, dx+8 \int \frac {\int e^{4 \left (8+\frac {21}{x}+x\right )} x^{21+8 x+x^2} \, dx}{x} \, dx-12 \int e^{32+\frac {84}{x}+4 x} x^{21+8 x+x^2} \, dx-21 \int e^{32+\frac {84}{x}+4 x} x^{20+8 x+x^2} \, dx+84 \int e^{32+\frac {84}{x}+4 x} x^{19+8 x+x^2} \, dx-(2 \log (x)) \int e^{32+\frac {84}{x}+4 x} x^{22+8 x+x^2} \, dx-(8 \log (x)) \int e^{32+\frac {84}{x}+4 x} x^{21+8 x+x^2} \, dx-\int e^{32+\frac {84}{x}+4 x} x^{22+8 x+x^2} \, dx \\ \end{align*}
Time = 3.60 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.06 \[ \int \frac {1+4 x^2+e^{\frac {84+32 x+4 x^2+\left (21 x+8 x^2+x^3\right ) \log (x)}{x}} \left (168-42 x-24 x^2-2 x^3+\left (-16 x^2-4 x^3\right ) \log (x)\right )}{2 x^2} \, dx=-\frac {1}{2 x}+2 x-e^{32+\frac {84}{x}+4 x} x^{21+x (8+x)} \]
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Time = 0.12 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.97
method | result | size |
risch | \(-{\mathrm e}^{\frac {\left (x^{2}+8 x +21\right ) \left (x \ln \left (x \right )+4\right )}{x}}+2 x -\frac {1}{2 x}\) | \(31\) |
default | \(-{\mathrm e}^{\frac {\left (x^{3}+8 x^{2}+21 x \right ) \ln \left (x \right )+4 x^{2}+32 x +84}{x}}+2 x -\frac {1}{2 x}\) | \(42\) |
parts | \(-{\mathrm e}^{\frac {\left (x^{3}+8 x^{2}+21 x \right ) \ln \left (x \right )+4 x^{2}+32 x +84}{x}}+2 x -\frac {1}{2 x}\) | \(42\) |
norman | \(\frac {-\frac {1}{2}+2 x^{2}-x \,{\mathrm e}^{\frac {\left (x^{3}+8 x^{2}+21 x \right ) \ln \left (x \right )+4 x^{2}+32 x +84}{x}}}{x}\) | \(45\) |
parallelrisch | \(-\frac {-4 x^{2}+2 x \,{\mathrm e}^{\frac {\left (x^{3}+8 x^{2}+21 x \right ) \ln \left (x \right )+4 x^{2}+32 x +84}{x}}+1}{2 x}\) | \(46\) |
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Time = 0.25 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.41 \[ \int \frac {1+4 x^2+e^{\frac {84+32 x+4 x^2+\left (21 x+8 x^2+x^3\right ) \log (x)}{x}} \left (168-42 x-24 x^2-2 x^3+\left (-16 x^2-4 x^3\right ) \log (x)\right )}{2 x^2} \, dx=\frac {4 \, x^{2} - 2 \, x e^{\left (\frac {4 \, x^{2} + {\left (x^{3} + 8 \, x^{2} + 21 \, x\right )} \log \left (x\right ) + 32 \, x + 84}{x}\right )} - 1}{2 \, x} \]
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Time = 0.17 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.12 \[ \int \frac {1+4 x^2+e^{\frac {84+32 x+4 x^2+\left (21 x+8 x^2+x^3\right ) \log (x)}{x}} \left (168-42 x-24 x^2-2 x^3+\left (-16 x^2-4 x^3\right ) \log (x)\right )}{2 x^2} \, dx=2 x - e^{\frac {4 x^{2} + 32 x + \left (x^{3} + 8 x^{2} + 21 x\right ) \log {\left (x \right )} + 84}{x}} - \frac {1}{2 x} \]
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Time = 0.29 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.12 \[ \int \frac {1+4 x^2+e^{\frac {84+32 x+4 x^2+\left (21 x+8 x^2+x^3\right ) \log (x)}{x}} \left (168-42 x-24 x^2-2 x^3+\left (-16 x^2-4 x^3\right ) \log (x)\right )}{2 x^2} \, dx=-x^{21} e^{\left (x^{2} \log \left (x\right ) + 8 \, x \log \left (x\right ) + 4 \, x + \frac {84}{x} + 32\right )} + 2 \, x - \frac {1}{2 \, x} \]
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Time = 0.30 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.16 \[ \int \frac {1+4 x^2+e^{\frac {84+32 x+4 x^2+\left (21 x+8 x^2+x^3\right ) \log (x)}{x}} \left (168-42 x-24 x^2-2 x^3+\left (-16 x^2-4 x^3\right ) \log (x)\right )}{2 x^2} \, dx=2 \, x - \frac {1}{2 \, x} - e^{\left (x^{2} \log \left (x\right ) + 8 \, x \log \left (x\right ) + 4 \, x + \frac {84}{x} + 21 \, \log \left (x\right ) + 32\right )} \]
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Time = 13.01 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.12 \[ \int \frac {1+4 x^2+e^{\frac {84+32 x+4 x^2+\left (21 x+8 x^2+x^3\right ) \log (x)}{x}} \left (168-42 x-24 x^2-2 x^3+\left (-16 x^2-4 x^3\right ) \log (x)\right )}{2 x^2} \, dx=2\,x-\frac {1}{2\,x}-x^{8\,x}\,x^{x^2}\,x^{21}\,{\mathrm {e}}^{4\,x}\,{\mathrm {e}}^{32}\,{\mathrm {e}}^{84/x} \]
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