Integrand size = 116, antiderivative size = 26 \[ \int \frac {16+8 x+e^{5 x^2} \left (4+4 x-40 x^2-40 x^3\right )+(4+4 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )}{e^{10 x^2} (1+x)+e^{5 x^2} (2+2 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )+(1+x) \log ^2\left (\frac {1+2 x+x^2}{9 x^4}\right )} \, dx=\frac {4 x}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \]
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\[ \int \frac {16+8 x+e^{5 x^2} \left (4+4 x-40 x^2-40 x^3\right )+(4+4 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )}{e^{10 x^2} (1+x)+e^{5 x^2} (2+2 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )+(1+x) \log ^2\left (\frac {1+2 x+x^2}{9 x^4}\right )} \, dx=\int \frac {16+8 x+e^{5 x^2} \left (4+4 x-40 x^2-40 x^3\right )+(4+4 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )}{e^{10 x^2} (1+x)+e^{5 x^2} (2+2 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )+(1+x) \log ^2\left (\frac {1+2 x+x^2}{9 x^4}\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {4 \left (2 (2+x)+e^{5 x^2} \left (1+x-10 x^2-10 x^3\right )+(1+x) \log \left (\frac {(1+x)^2}{9 x^4}\right )\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx \\ & = 4 \int \frac {2 (2+x)+e^{5 x^2} \left (1+x-10 x^2-10 x^3\right )+(1+x) \log \left (\frac {(1+x)^2}{9 x^4}\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx \\ & = 4 \int \left (-\frac {-1+10 x^2}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )}+\frac {2 \left (2+x+5 x^2 \log \left (\frac {(1+x)^2}{9 x^4}\right )+5 x^3 \log \left (\frac {(1+x)^2}{9 x^4}\right )\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}\right ) \, dx \\ & = -\left (4 \int \frac {-1+10 x^2}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \, dx\right )+8 \int \frac {2+x+5 x^2 \log \left (\frac {(1+x)^2}{9 x^4}\right )+5 x^3 \log \left (\frac {(1+x)^2}{9 x^4}\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx \\ & = -\left (4 \int \left (-\frac {1}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )}+\frac {10 x^2}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )}\right ) \, dx\right )+8 \int \frac {2+x+5 x^2 (1+x) \log \left (\frac {(1+x)^2}{9 x^4}\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx \\ & = 4 \int \frac {1}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \, dx+8 \int \left (\frac {2}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}+\frac {x}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}+\frac {5 x^2 \log \left (\frac {(1+x)^2}{9 x^4}\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}+\frac {5 x^3 \log \left (\frac {(1+x)^2}{9 x^4}\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}\right ) \, dx-40 \int \frac {x^2}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \, dx \\ & = 4 \int \frac {1}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \, dx+8 \int \frac {x}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx+16 \int \frac {1}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx+40 \int \frac {x^2 \log \left (\frac {(1+x)^2}{9 x^4}\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx+40 \int \frac {x^3 \log \left (\frac {(1+x)^2}{9 x^4}\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx-40 \int \frac {x^2}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \, dx \\ & = 4 \int \frac {1}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \, dx+8 \int \left (\frac {1}{\left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}-\frac {1}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}\right ) \, dx+16 \int \frac {1}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx-40 \int \frac {x^2}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \, dx+40 \int \left (\frac {\log \left (\frac {(1+x)^2}{9 x^4}\right )}{\left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}-\frac {x \log \left (\frac {(1+x)^2}{9 x^4}\right )}{\left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}+\frac {x^2 \log \left (\frac {(1+x)^2}{9 x^4}\right )}{\left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}-\frac {\log \left (\frac {(1+x)^2}{9 x^4}\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}\right ) \, dx+40 \int \left (-\frac {\log \left (\frac {(1+x)^2}{9 x^4}\right )}{\left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}+\frac {x \log \left (\frac {(1+x)^2}{9 x^4}\right )}{\left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}+\frac {\log \left (\frac {(1+x)^2}{9 x^4}\right )}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2}\right ) \, dx \\ & = 4 \int \frac {1}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \, dx+8 \int \frac {1}{\left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx-8 \int \frac {1}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx+16 \int \frac {1}{(1+x) \left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx+40 \int \frac {x^2 \log \left (\frac {(1+x)^2}{9 x^4}\right )}{\left (e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )\right )^2} \, dx-40 \int \frac {x^2}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \, dx \\ \end{align*}
Time = 0.51 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \frac {16+8 x+e^{5 x^2} \left (4+4 x-40 x^2-40 x^3\right )+(4+4 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )}{e^{10 x^2} (1+x)+e^{5 x^2} (2+2 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )+(1+x) \log ^2\left (\frac {1+2 x+x^2}{9 x^4}\right )} \, dx=\frac {4 x}{e^{5 x^2}+\log \left (\frac {(1+x)^2}{9 x^4}\right )} \]
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Time = 2.06 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.04
method | result | size |
parallelrisch | \(\frac {4 x}{{\mathrm e}^{5 x^{2}}+\ln \left (\frac {x^{2}+2 x +1}{9 x^{4}}\right )}\) | \(27\) |
risch | \(-\frac {8 i x}{8 i \ln \left (x \right )+4 i \ln \left (3\right )-4 i \ln \left (1+x \right )-2 i {\mathrm e}^{5 x^{2}}+\pi \,\operatorname {csgn}\left (\frac {i}{x^{4}}\right ) \operatorname {csgn}\left (\frac {i \left (1+x \right )^{2}}{x^{4}}\right )^{2}+\pi \,\operatorname {csgn}\left (i \left (1+x \right )^{2}\right ) \operatorname {csgn}\left (\frac {i \left (1+x \right )^{2}}{x^{4}}\right )^{2}-\pi \operatorname {csgn}\left (\frac {i \left (1+x \right )^{2}}{x^{4}}\right )^{3}-\pi \,\operatorname {csgn}\left (i x^{3}\right ) \operatorname {csgn}\left (i x^{4}\right )^{2}-\pi \operatorname {csgn}\left (i x^{4}\right )^{2} \operatorname {csgn}\left (i x \right )-\pi \operatorname {csgn}\left (i \left (1+x \right )\right )^{2} \operatorname {csgn}\left (i \left (1+x \right )^{2}\right )+2 \pi \,\operatorname {csgn}\left (i \left (1+x \right )\right ) \operatorname {csgn}\left (i \left (1+x \right )^{2}\right )^{2}+\pi \,\operatorname {csgn}\left (i x^{3}\right ) \operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i x^{2}\right )-\pi \operatorname {csgn}\left (i \left (1+x \right )^{2}\right )^{3}+\pi \operatorname {csgn}\left (i x^{4}\right )^{3}+\pi \operatorname {csgn}\left (i x \right )^{2} \operatorname {csgn}\left (i x^{2}\right )-2 \pi \,\operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i x^{2}\right )^{2}+\pi \operatorname {csgn}\left (i x^{2}\right )^{3}+\pi \operatorname {csgn}\left (i x^{3}\right )^{3}-\pi \operatorname {csgn}\left (i x^{3}\right )^{2} \operatorname {csgn}\left (i x \right )-\pi \operatorname {csgn}\left (i x^{3}\right )^{2} \operatorname {csgn}\left (i x^{2}\right )-\pi \,\operatorname {csgn}\left (\frac {i}{x^{4}}\right ) \operatorname {csgn}\left (i \left (1+x \right )^{2}\right ) \operatorname {csgn}\left (\frac {i \left (1+x \right )^{2}}{x^{4}}\right )+\pi \,\operatorname {csgn}\left (i x^{3}\right ) \operatorname {csgn}\left (i x^{4}\right ) \operatorname {csgn}\left (i x \right )}\) | \(366\) |
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Time = 0.24 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \frac {16+8 x+e^{5 x^2} \left (4+4 x-40 x^2-40 x^3\right )+(4+4 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )}{e^{10 x^2} (1+x)+e^{5 x^2} (2+2 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )+(1+x) \log ^2\left (\frac {1+2 x+x^2}{9 x^4}\right )} \, dx=\frac {4 \, x}{e^{\left (5 \, x^{2}\right )} + \log \left (\frac {x^{2} + 2 \, x + 1}{9 \, x^{4}}\right )} \]
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Time = 0.13 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.04 \[ \int \frac {16+8 x+e^{5 x^2} \left (4+4 x-40 x^2-40 x^3\right )+(4+4 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )}{e^{10 x^2} (1+x)+e^{5 x^2} (2+2 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )+(1+x) \log ^2\left (\frac {1+2 x+x^2}{9 x^4}\right )} \, dx=\frac {4 x}{e^{5 x^{2}} + \log {\left (\frac {\frac {x^{2}}{9} + \frac {2 x}{9} + \frac {1}{9}}{x^{4}} \right )}} \]
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Time = 0.31 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \frac {16+8 x+e^{5 x^2} \left (4+4 x-40 x^2-40 x^3\right )+(4+4 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )}{e^{10 x^2} (1+x)+e^{5 x^2} (2+2 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )+(1+x) \log ^2\left (\frac {1+2 x+x^2}{9 x^4}\right )} \, dx=\frac {4 \, x}{e^{\left (5 \, x^{2}\right )} - 2 \, \log \left (3\right ) + 2 \, \log \left (x + 1\right ) - 4 \, \log \left (x\right )} \]
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Time = 0.46 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \frac {16+8 x+e^{5 x^2} \left (4+4 x-40 x^2-40 x^3\right )+(4+4 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )}{e^{10 x^2} (1+x)+e^{5 x^2} (2+2 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )+(1+x) \log ^2\left (\frac {1+2 x+x^2}{9 x^4}\right )} \, dx=\frac {4 \, x}{e^{\left (5 \, x^{2}\right )} + \log \left (\frac {x^{2} + 2 \, x + 1}{9 \, x^{4}}\right )} \]
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Timed out. \[ \int \frac {16+8 x+e^{5 x^2} \left (4+4 x-40 x^2-40 x^3\right )+(4+4 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )}{e^{10 x^2} (1+x)+e^{5 x^2} (2+2 x) \log \left (\frac {1+2 x+x^2}{9 x^4}\right )+(1+x) \log ^2\left (\frac {1+2 x+x^2}{9 x^4}\right )} \, dx=\int \frac {8\,x+{\mathrm {e}}^{5\,x^2}\,\left (-40\,x^3-40\,x^2+4\,x+4\right )+\ln \left (\frac {\frac {x^2}{9}+\frac {2\,x}{9}+\frac {1}{9}}{x^4}\right )\,\left (4\,x+4\right )+16}{\left (x+1\right )\,{\ln \left (\frac {\frac {x^2}{9}+\frac {2\,x}{9}+\frac {1}{9}}{x^4}\right )}^2+{\mathrm {e}}^{5\,x^2}\,\left (2\,x+2\right )\,\ln \left (\frac {\frac {x^2}{9}+\frac {2\,x}{9}+\frac {1}{9}}{x^4}\right )+{\mathrm {e}}^{10\,x^2}\,\left (x+1\right )} \,d x \]
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