Integrand size = 72, antiderivative size = 26 \[ \int \frac {-3 x-7 x^2-4 x^3+\left (6 x+3 x^2-4 x^4\right ) \log (x)+\left (x^3-6 x^4\right ) \log ^2(x)+4 x^3 \log ^3(x)}{4 x^2-4 x \log (x)+\log ^2(x)} \, dx=\frac {x \left (3 x+x \left (x+x^2 \log ^2(x)\right )\right )}{-2 x+\log (x)} \]
[Out]
\[ \int \frac {-3 x-7 x^2-4 x^3+\left (6 x+3 x^2-4 x^4\right ) \log (x)+\left (x^3-6 x^4\right ) \log ^2(x)+4 x^3 \log ^3(x)}{4 x^2-4 x \log (x)+\log ^2(x)} \, dx=\int \frac {-3 x-7 x^2-4 x^3+\left (6 x+3 x^2-4 x^4\right ) \log (x)+\left (x^3-6 x^4\right ) \log ^2(x)+4 x^3 \log ^3(x)}{4 x^2-4 x \log (x)+\log ^2(x)} \, dx \]
[In]
[Out]
Rubi steps \begin{align*} \text {integral}& = \int \frac {-3 x-7 x^2-4 x^3+\left (6 x+3 x^2-4 x^4\right ) \log (x)+\left (x^3-6 x^4\right ) \log ^2(x)+4 x^3 \log ^3(x)}{(2 x-\log (x))^2} \, dx \\ & = \int \left (x^3 (1+10 x)+\frac {x \left (-3+5 x+2 x^2-4 x^4+8 x^5\right )}{(2 x-\log (x))^2}-\frac {3 x \left (2+x+8 x^4\right )}{2 x-\log (x)}+4 x^3 \log (x)\right ) \, dx \\ & = -\left (3 \int \frac {x \left (2+x+8 x^4\right )}{2 x-\log (x)} \, dx\right )+4 \int x^3 \log (x) \, dx+\int x^3 (1+10 x) \, dx+\int \frac {x \left (-3+5 x+2 x^2-4 x^4+8 x^5\right )}{(2 x-\log (x))^2} \, dx \\ & = -\frac {x^4}{4}+x^4 \log (x)-3 \int \left (\frac {2 x}{2 x-\log (x)}+\frac {x^2}{2 x-\log (x)}+\frac {8 x^5}{2 x-\log (x)}\right ) \, dx+\int \left (x^3+10 x^4\right ) \, dx+\int \left (-\frac {3 x}{(2 x-\log (x))^2}+\frac {5 x^2}{(2 x-\log (x))^2}+\frac {2 x^3}{(2 x-\log (x))^2}-\frac {4 x^5}{(2 x-\log (x))^2}+\frac {8 x^6}{(2 x-\log (x))^2}\right ) \, dx \\ & = 2 x^5+x^4 \log (x)+2 \int \frac {x^3}{(2 x-\log (x))^2} \, dx-3 \int \frac {x}{(2 x-\log (x))^2} \, dx-3 \int \frac {x^2}{2 x-\log (x)} \, dx-4 \int \frac {x^5}{(2 x-\log (x))^2} \, dx+5 \int \frac {x^2}{(2 x-\log (x))^2} \, dx-6 \int \frac {x}{2 x-\log (x)} \, dx+8 \int \frac {x^6}{(2 x-\log (x))^2} \, dx-24 \int \frac {x^5}{2 x-\log (x)} \, dx \\ \end{align*}
Time = 0.43 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \frac {-3 x-7 x^2-4 x^3+\left (6 x+3 x^2-4 x^4\right ) \log (x)+\left (x^3-6 x^4\right ) \log ^2(x)+4 x^3 \log ^3(x)}{4 x^2-4 x \log (x)+\log ^2(x)} \, dx=-\frac {x^2 \left (3+x+x^2 \log ^2(x)\right )}{2 x-\log (x)} \]
[In]
[Out]
Time = 0.56 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.04
method | result | size |
default | \(\frac {x^{3}+x^{4} \ln \left (x \right )^{2}+3 x^{2}}{\ln \left (x \right )-2 x}\) | \(27\) |
norman | \(\frac {-3 x^{2}-x^{3}-x^{4} \ln \left (x \right )^{2}}{2 x -\ln \left (x \right )}\) | \(32\) |
parallelrisch | \(\frac {-3 x^{2}-x^{3}-x^{4} \ln \left (x \right )^{2}}{2 x -\ln \left (x \right )}\) | \(32\) |
risch | \(2 x^{5}+x^{4} \ln \left (x \right )-\frac {\left (4 x^{4}+x +3\right ) x^{2}}{2 x -\ln \left (x \right )}\) | \(36\) |
[In]
[Out]
none
Time = 0.25 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.12 \[ \int \frac {-3 x-7 x^2-4 x^3+\left (6 x+3 x^2-4 x^4\right ) \log (x)+\left (x^3-6 x^4\right ) \log ^2(x)+4 x^3 \log ^3(x)}{4 x^2-4 x \log (x)+\log ^2(x)} \, dx=-\frac {x^{4} \log \left (x\right )^{2} + x^{3} + 3 \, x^{2}}{2 \, x - \log \left (x\right )} \]
[In]
[Out]
Time = 0.07 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.19 \[ \int \frac {-3 x-7 x^2-4 x^3+\left (6 x+3 x^2-4 x^4\right ) \log (x)+\left (x^3-6 x^4\right ) \log ^2(x)+4 x^3 \log ^3(x)}{4 x^2-4 x \log (x)+\log ^2(x)} \, dx=2 x^{5} + x^{4} \log {\left (x \right )} + \frac {4 x^{6} + x^{3} + 3 x^{2}}{- 2 x + \log {\left (x \right )}} \]
[In]
[Out]
none
Time = 0.22 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.12 \[ \int \frac {-3 x-7 x^2-4 x^3+\left (6 x+3 x^2-4 x^4\right ) \log (x)+\left (x^3-6 x^4\right ) \log ^2(x)+4 x^3 \log ^3(x)}{4 x^2-4 x \log (x)+\log ^2(x)} \, dx=-\frac {x^{4} \log \left (x\right )^{2} + x^{3} + 3 \, x^{2}}{2 \, x - \log \left (x\right )} \]
[In]
[Out]
none
Time = 0.31 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.46 \[ \int \frac {-3 x-7 x^2-4 x^3+\left (6 x+3 x^2-4 x^4\right ) \log (x)+\left (x^3-6 x^4\right ) \log ^2(x)+4 x^3 \log ^3(x)}{4 x^2-4 x \log (x)+\log ^2(x)} \, dx=2 \, x^{5} + x^{4} \log \left (x\right ) - \frac {4 \, x^{6} + x^{3} + 3 \, x^{2}}{2 \, x - \log \left (x\right )} \]
[In]
[Out]
Time = 11.88 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.12 \[ \int \frac {-3 x-7 x^2-4 x^3+\left (6 x+3 x^2-4 x^4\right ) \log (x)+\left (x^3-6 x^4\right ) \log ^2(x)+4 x^3 \log ^3(x)}{4 x^2-4 x \log (x)+\log ^2(x)} \, dx=-\frac {x^4\,{\ln \left (x\right )}^2+x^3+3\,x^2}{2\,x-\ln \left (x\right )} \]
[In]
[Out]