Integrand size = 94, antiderivative size = 26 \[ \int \frac {-1800 x+1800 \log (4)+e^{x/5} \left (-360 x+72 x^2+(360-72 x) \log (4)\right )+\left (1800 x+360 e^{x/5} x-360 x^2\right ) \log \left (\frac {-75-15 e^{x/5}+15 x}{x}\right )}{25 x+5 e^{x/5} x-5 x^2} \, dx=72 (x-\log (4)) \log \left (\frac {15 \left (-5-e^{x/5}+x\right )}{x}\right ) \]
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\[ \int \frac {-1800 x+1800 \log (4)+e^{x/5} \left (-360 x+72 x^2+(360-72 x) \log (4)\right )+\left (1800 x+360 e^{x/5} x-360 x^2\right ) \log \left (\frac {-75-15 e^{x/5}+15 x}{x}\right )}{25 x+5 e^{x/5} x-5 x^2} \, dx=\int \frac {-1800 x+1800 \log (4)+e^{x/5} \left (-360 x+72 x^2+(360-72 x) \log (4)\right )+\left (1800 x+360 e^{x/5} x-360 x^2\right ) \log \left (\frac {-75-15 e^{x/5}+15 x}{x}\right )}{25 x+5 e^{x/5} x-5 x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {72 \left (-25+e^{x/5} (-5+x)\right ) (x-\log (4))}{5 \left (5+e^{x/5}-x\right ) x}+72 \log \left (\frac {15 \left (-5-e^{x/5}+x\right )}{x}\right )\right ) \, dx \\ & = \frac {72}{5} \int \frac {\left (-25+e^{x/5} (-5+x)\right ) (x-\log (4))}{\left (5+e^{x/5}-x\right ) x} \, dx+72 \int \log \left (\frac {15 \left (-5-e^{x/5}+x\right )}{x}\right ) \, dx \\ & = 72 x \log \left (-\frac {15 \left (5+e^{x/5}-x\right )}{x}\right )+\frac {72}{5} \int \left (\frac {(-10+x) (x-\log (4))}{5+e^{x/5}-x}+\frac {(-5+x) (x-\log (4))}{x}\right ) \, dx-72 \int \frac {-25+e^{x/5} (-5+x)}{5 \left (5+e^{x/5}-x\right )} \, dx \\ & = 72 x \log \left (-\frac {15 \left (5+e^{x/5}-x\right )}{x}\right )-\frac {72}{5} \int \frac {-25+e^{x/5} (-5+x)}{5+e^{x/5}-x} \, dx+\frac {72}{5} \int \frac {(-10+x) (x-\log (4))}{5+e^{x/5}-x} \, dx+\frac {72}{5} \int \frac {(-5+x) (x-\log (4))}{x} \, dx \\ & = 72 x \log \left (-\frac {15 \left (5+e^{x/5}-x\right )}{x}\right )+\frac {72}{5} \int \left (-5+x-\log (4)+\frac {5 \log (4)}{x}\right ) \, dx+\frac {72}{5} \int \left (\frac {x^2}{5+e^{x/5}-x}+\frac {10 \log (4)}{5+e^{x/5}-x}-\frac {x (10+\log (4))}{5+e^{x/5}-x}\right ) \, dx-72 \text {Subst}\left (\int \frac {-25+e^x (-5+5 x)}{5+e^x-5 x} \, dx,x,\frac {x}{5}\right ) \\ & = \frac {36 x^2}{5}-\frac {72}{5} x (5+\log (4))+72 x \log \left (-\frac {15 \left (5+e^{x/5}-x\right )}{x}\right )+72 \log (4) \log (x)+\frac {72}{5} \int \frac {x^2}{5+e^{x/5}-x} \, dx-72 \text {Subst}\left (\int \left (5 (-1+x)+\frac {25 (-2+x) x}{5+e^x-5 x}\right ) \, dx,x,\frac {x}{5}\right )+(144 \log (4)) \int \frac {1}{5+e^{x/5}-x} \, dx-\frac {1}{5} (72 (10+\log (4))) \int \frac {x}{5+e^{x/5}-x} \, dx \\ & = -\frac {36}{5} (5-x)^2+\frac {36 x^2}{5}-\frac {72}{5} x (5+\log (4))+72 x \log \left (-\frac {15 \left (5+e^{x/5}-x\right )}{x}\right )+72 \log (4) \log (x)+\frac {72}{5} \int \frac {x^2}{5+e^{x/5}-x} \, dx-1800 \text {Subst}\left (\int \frac {(-2+x) x}{5+e^x-5 x} \, dx,x,\frac {x}{5}\right )+(720 \log (4)) \text {Subst}\left (\int \frac {1}{5+e^x-5 x} \, dx,x,\frac {x}{5}\right )-\frac {1}{5} (72 (10+\log (4))) \int \frac {x}{5+e^{x/5}-x} \, dx \\ & = -\frac {36}{5} (5-x)^2+\frac {36 x^2}{5}-\frac {72}{5} x (5+\log (4))+72 x \log \left (-\frac {15 \left (5+e^{x/5}-x\right )}{x}\right )+72 \log (4) \log (x)+\frac {72}{5} \int \frac {x^2}{5+e^{x/5}-x} \, dx-1800 \text {Subst}\left (\int \left (-\frac {2 x}{5+e^x-5 x}+\frac {x^2}{5+e^x-5 x}\right ) \, dx,x,\frac {x}{5}\right )+(720 \log (4)) \text {Subst}\left (\int \frac {1}{5+e^x-5 x} \, dx,x,\frac {x}{5}\right )-\frac {1}{5} (72 (10+\log (4))) \int \frac {x}{5+e^{x/5}-x} \, dx \\ & = -\frac {36}{5} (5-x)^2+\frac {36 x^2}{5}-\frac {72}{5} x (5+\log (4))+72 x \log \left (-\frac {15 \left (5+e^{x/5}-x\right )}{x}\right )+72 \log (4) \log (x)+\frac {72}{5} \int \frac {x^2}{5+e^{x/5}-x} \, dx-1800 \text {Subst}\left (\int \frac {x^2}{5+e^x-5 x} \, dx,x,\frac {x}{5}\right )+3600 \text {Subst}\left (\int \frac {x}{5+e^x-5 x} \, dx,x,\frac {x}{5}\right )+(720 \log (4)) \text {Subst}\left (\int \frac {1}{5+e^x-5 x} \, dx,x,\frac {x}{5}\right )-\frac {1}{5} (72 (10+\log (4))) \int \frac {x}{5+e^{x/5}-x} \, dx \\ \end{align*}
\[ \int \frac {-1800 x+1800 \log (4)+e^{x/5} \left (-360 x+72 x^2+(360-72 x) \log (4)\right )+\left (1800 x+360 e^{x/5} x-360 x^2\right ) \log \left (\frac {-75-15 e^{x/5}+15 x}{x}\right )}{25 x+5 e^{x/5} x-5 x^2} \, dx=\int \frac {-1800 x+1800 \log (4)+e^{x/5} \left (-360 x+72 x^2+(360-72 x) \log (4)\right )+\left (1800 x+360 e^{x/5} x-360 x^2\right ) \log \left (\frac {-75-15 e^{x/5}+15 x}{x}\right )}{25 x+5 e^{x/5} x-5 x^2} \, dx \]
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Time = 0.21 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.50
method | result | size |
parallelrisch | \(-144 \ln \left (-\frac {15 \left ({\mathrm e}^{\frac {x}{5}}-x +5\right )}{x}\right ) \ln \left (2\right )+72 \ln \left (-\frac {15 \left ({\mathrm e}^{\frac {x}{5}}-x +5\right )}{x}\right ) x\) | \(39\) |
norman | \(-144 \ln \left (2\right ) \ln \left (\frac {-15 \,{\mathrm e}^{\frac {x}{5}}+15 x -75}{x}\right )+72 x \ln \left (\frac {-15 \,{\mathrm e}^{\frac {x}{5}}+15 x -75}{x}\right )\) | \(41\) |
risch | \(72 x \ln \left (x -{\mathrm e}^{\frac {x}{5}}-5\right )-72 x \ln \left (x \right )-36 i \pi x \,\operatorname {csgn}\left (\frac {i}{x}\right ) \operatorname {csgn}\left (i \left (x -{\mathrm e}^{\frac {x}{5}}-5\right )\right ) \operatorname {csgn}\left (\frac {i \left (x -{\mathrm e}^{\frac {x}{5}}-5\right )}{x}\right )+36 i \pi x \,\operatorname {csgn}\left (\frac {i}{x}\right ) {\operatorname {csgn}\left (\frac {i \left (x -{\mathrm e}^{\frac {x}{5}}-5\right )}{x}\right )}^{2}+36 i \pi x \,\operatorname {csgn}\left (i \left (x -{\mathrm e}^{\frac {x}{5}}-5\right )\right ) {\operatorname {csgn}\left (\frac {i \left (x -{\mathrm e}^{\frac {x}{5}}-5\right )}{x}\right )}^{2}-36 i \pi x {\operatorname {csgn}\left (\frac {i \left (x -{\mathrm e}^{\frac {x}{5}}-5\right )}{x}\right )}^{3}+72 x \ln \left (5\right )+72 x \ln \left (3\right )+144 \ln \left (2\right ) \ln \left (x \right )-144 \ln \left (2\right ) \ln \left ({\mathrm e}^{\frac {x}{5}}-x +5\right )\) | \(180\) |
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Time = 0.24 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.88 \[ \int \frac {-1800 x+1800 \log (4)+e^{x/5} \left (-360 x+72 x^2+(360-72 x) \log (4)\right )+\left (1800 x+360 e^{x/5} x-360 x^2\right ) \log \left (\frac {-75-15 e^{x/5}+15 x}{x}\right )}{25 x+5 e^{x/5} x-5 x^2} \, dx=72 \, {\left (x - 2 \, \log \left (2\right )\right )} \log \left (\frac {15 \, {\left (x - e^{\left (\frac {1}{5} \, x\right )} - 5\right )}}{x}\right ) \]
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Time = 0.22 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.58 \[ \int \frac {-1800 x+1800 \log (4)+e^{x/5} \left (-360 x+72 x^2+(360-72 x) \log (4)\right )+\left (1800 x+360 e^{x/5} x-360 x^2\right ) \log \left (\frac {-75-15 e^{x/5}+15 x}{x}\right )}{25 x+5 e^{x/5} x-5 x^2} \, dx=72 x \log {\left (\frac {15 x - 15 e^{\frac {x}{5}} - 75}{x} \right )} + 144 \log {\left (2 \right )} \log {\left (x \right )} - 144 \log {\left (2 \right )} \log {\left (- x + e^{\frac {x}{5}} + 5 \right )} \]
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Result contains complex when optimal does not.
Time = 0.31 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.54 \[ \int \frac {-1800 x+1800 \log (4)+e^{x/5} \left (-360 x+72 x^2+(360-72 x) \log (4)\right )+\left (1800 x+360 e^{x/5} x-360 x^2\right ) \log \left (\frac {-75-15 e^{x/5}+15 x}{x}\right )}{25 x+5 e^{x/5} x-5 x^2} \, dx=72 \, {\left (i \, \pi + \log \left (5\right ) + \log \left (3\right )\right )} x - 72 \, {\left (x - 2 \, \log \left (2\right )\right )} \log \left (x\right ) + 72 \, {\left (x - 2 \, \log \left (2\right )\right )} \log \left (-x + e^{\left (\frac {1}{5} \, x\right )} + 5\right ) \]
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Time = 0.29 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.58 \[ \int \frac {-1800 x+1800 \log (4)+e^{x/5} \left (-360 x+72 x^2+(360-72 x) \log (4)\right )+\left (1800 x+360 e^{x/5} x-360 x^2\right ) \log \left (\frac {-75-15 e^{x/5}+15 x}{x}\right )}{25 x+5 e^{x/5} x-5 x^2} \, dx=72 \, x \log \left (15 \, x - 15 \, e^{\left (\frac {1}{5} \, x\right )} - 75\right ) - 72 \, x \log \left (x\right ) + 144 \, \log \left (2\right ) \log \left (x\right ) - 144 \, \log \left (2\right ) \log \left (-x + e^{\left (\frac {1}{5} \, x\right )} + 5\right ) \]
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Time = 10.84 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.58 \[ \int \frac {-1800 x+1800 \log (4)+e^{x/5} \left (-360 x+72 x^2+(360-72 x) \log (4)\right )+\left (1800 x+360 e^{x/5} x-360 x^2\right ) \log \left (\frac {-75-15 e^{x/5}+15 x}{x}\right )}{25 x+5 e^{x/5} x-5 x^2} \, dx=72\,x\,\ln \left (-\frac {15\,{\left ({\mathrm {e}}^x\right )}^{1/5}-15\,x+75}{x}\right )-72\,\ln \left (4\right )\,\ln \left ({\left ({\mathrm {e}}^x\right )}^{1/5}-x+5\right )+72\,\ln \left (4\right )\,\ln \left (x\right ) \]
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