Integrand size = 59, antiderivative size = 24 \[ \int \frac {-19 x-35 x^2-2 x^3+3 x^4+\left (-32-32 x-6 x^2+4 x^3\right ) \log (x)+\left (-4 x+x^2\right ) \log ^2(x)}{-4 x+x^2} \, dx=3-x+\log (-4+x)-(4+x) \left (2-(x+\log (x))^2\right ) \]
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Time = 0.15 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.75, number of steps used = 12, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {1607, 6820, 1864, 2404, 2332, 2338, 2341, 2333} \[ \int \frac {-19 x-35 x^2-2 x^3+3 x^4+\left (-32-32 x-6 x^2+4 x^3\right ) \log (x)+\left (-4 x+x^2\right ) \log ^2(x)}{-4 x+x^2} \, dx=x^3+4 x^2+2 x^2 \log (x)-3 x+x \log ^2(x)+4 \log ^2(x)+8 x \log (x)+\log (4-x) \]
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Rule 1607
Rule 1864
Rule 2332
Rule 2333
Rule 2338
Rule 2341
Rule 2404
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \int \frac {-19 x-35 x^2-2 x^3+3 x^4+\left (-32-32 x-6 x^2+4 x^3\right ) \log (x)+\left (-4 x+x^2\right ) \log ^2(x)}{(-4+x) x} \, dx \\ & = \int \left (\frac {19+35 x+2 x^2-3 x^3}{4-x}+\left (10+\frac {8}{x}+4 x\right ) \log (x)+\log ^2(x)\right ) \, dx \\ & = \int \frac {19+35 x+2 x^2-3 x^3}{4-x} \, dx+\int \left (10+\frac {8}{x}+4 x\right ) \log (x) \, dx+\int \log ^2(x) \, dx \\ & = x \log ^2(x)-2 \int \log (x) \, dx+\int \left (5+\frac {1}{-4+x}+10 x+3 x^2\right ) \, dx+\int \left (10 \log (x)+\frac {8 \log (x)}{x}+4 x \log (x)\right ) \, dx \\ & = 7 x+5 x^2+x^3+\log (4-x)-2 x \log (x)+x \log ^2(x)+4 \int x \log (x) \, dx+8 \int \frac {\log (x)}{x} \, dx+10 \int \log (x) \, dx \\ & = -3 x+4 x^2+x^3+\log (4-x)+8 x \log (x)+2 x^2 \log (x)+4 \log ^2(x)+x \log ^2(x) \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.46 \[ \int \frac {-19 x-35 x^2-2 x^3+3 x^4+\left (-32-32 x-6 x^2+4 x^3\right ) \log (x)+\left (-4 x+x^2\right ) \log ^2(x)}{-4 x+x^2} \, dx=-164-3 x+4 x^2+x^3+\log (4-x)+2 x (4+x) \log (x)+(4+x) \log ^2(x) \]
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Time = 0.32 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.54
method | result | size |
risch | \(\left (4+x \right ) \ln \left (x \right )^{2}+\left (2 x^{2}+8 x \right ) \ln \left (x \right )+x^{3}+4 x^{2}-3 x +\ln \left (x -4\right )\) | \(37\) |
default | \(x \ln \left (x \right )^{2}+8 x \ln \left (x \right )-3 x +x^{3}+4 x^{2}+\ln \left (x -4\right )+2 x^{2} \ln \left (x \right )+4 \ln \left (x \right )^{2}\) | \(41\) |
norman | \(x \ln \left (x \right )^{2}+8 x \ln \left (x \right )-3 x +x^{3}+4 x^{2}+\ln \left (x -4\right )+2 x^{2} \ln \left (x \right )+4 \ln \left (x \right )^{2}\) | \(41\) |
parallelrisch | \(x \ln \left (x \right )^{2}+8 x \ln \left (x \right )-3 x +x^{3}+4 x^{2}+\ln \left (x -4\right )+2 x^{2} \ln \left (x \right )+4 \ln \left (x \right )^{2}\) | \(41\) |
parts | \(x \ln \left (x \right )^{2}+8 x \ln \left (x \right )-3 x +x^{3}+4 x^{2}+\ln \left (x -4\right )+2 x^{2} \ln \left (x \right )+4 \ln \left (x \right )^{2}\) | \(41\) |
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Time = 0.26 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.46 \[ \int \frac {-19 x-35 x^2-2 x^3+3 x^4+\left (-32-32 x-6 x^2+4 x^3\right ) \log (x)+\left (-4 x+x^2\right ) \log ^2(x)}{-4 x+x^2} \, dx=x^{3} + {\left (x + 4\right )} \log \left (x\right )^{2} + 4 \, x^{2} + 2 \, {\left (x^{2} + 4 \, x\right )} \log \left (x\right ) - 3 \, x + \log \left (x - 4\right ) \]
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Time = 0.09 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.50 \[ \int \frac {-19 x-35 x^2-2 x^3+3 x^4+\left (-32-32 x-6 x^2+4 x^3\right ) \log (x)+\left (-4 x+x^2\right ) \log ^2(x)}{-4 x+x^2} \, dx=x^{3} + 4 x^{2} - 3 x + \left (x + 4\right ) \log {\left (x \right )}^{2} + \left (2 x^{2} + 8 x\right ) \log {\left (x \right )} + \log {\left (x - 4 \right )} \]
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Time = 0.22 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.46 \[ \int \frac {-19 x-35 x^2-2 x^3+3 x^4+\left (-32-32 x-6 x^2+4 x^3\right ) \log (x)+\left (-4 x+x^2\right ) \log ^2(x)}{-4 x+x^2} \, dx=x^{3} + {\left (x + 4\right )} \log \left (x\right )^{2} + 4 \, x^{2} + 2 \, {\left (x^{2} + 4 \, x\right )} \log \left (x\right ) - 3 \, x + \log \left (x - 4\right ) \]
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Time = 0.26 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.46 \[ \int \frac {-19 x-35 x^2-2 x^3+3 x^4+\left (-32-32 x-6 x^2+4 x^3\right ) \log (x)+\left (-4 x+x^2\right ) \log ^2(x)}{-4 x+x^2} \, dx=x^{3} + {\left (x + 4\right )} \log \left (x\right )^{2} + 4 \, x^{2} + 2 \, {\left (x^{2} + 4 \, x\right )} \log \left (x\right ) - 3 \, x + \log \left (x - 4\right ) \]
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Time = 13.91 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.67 \[ \int \frac {-19 x-35 x^2-2 x^3+3 x^4+\left (-32-32 x-6 x^2+4 x^3\right ) \log (x)+\left (-4 x+x^2\right ) \log ^2(x)}{-4 x+x^2} \, dx=\ln \left (x-4\right )-3\,x+x\,{\ln \left (x\right )}^2+2\,x^2\,\ln \left (x\right )+4\,{\ln \left (x\right )}^2+8\,x\,\ln \left (x\right )+4\,x^2+x^3 \]
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