Integrand size = 113, antiderivative size = 20 \[ \int \frac {-4 x-4 x^2+8 x^3 \log (x)+\left (8 x^2-4 x^3\right ) \log ^2(x)-4 x^2 \log ^3(x)+\left (8 x^2+8 x \log (x)\right ) \log (x+\log (x))}{x^3 \log ^4(x)+x^2 \log ^5(x)+\left (-2 x^2 \log ^2(x)-2 x \log ^3(x)\right ) \log (x+\log (x))+(x+\log (x)) \log ^2(x+\log (x))} \, dx=\frac {4 x^2}{-x \log ^2(x)+\log (x+\log (x))} \] Output:
4*x^2/(ln(x+ln(x))-x*ln(x)^2)
Time = 0.26 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int \frac {-4 x-4 x^2+8 x^3 \log (x)+\left (8 x^2-4 x^3\right ) \log ^2(x)-4 x^2 \log ^3(x)+\left (8 x^2+8 x \log (x)\right ) \log (x+\log (x))}{x^3 \log ^4(x)+x^2 \log ^5(x)+\left (-2 x^2 \log ^2(x)-2 x \log ^3(x)\right ) \log (x+\log (x))+(x+\log (x)) \log ^2(x+\log (x))} \, dx=\frac {4 x^2}{-x \log ^2(x)+\log (x+\log (x))} \] Input:
Integrate[(-4*x - 4*x^2 + 8*x^3*Log[x] + (8*x^2 - 4*x^3)*Log[x]^2 - 4*x^2* Log[x]^3 + (8*x^2 + 8*x*Log[x])*Log[x + Log[x]])/(x^3*Log[x]^4 + x^2*Log[x ]^5 + (-2*x^2*Log[x]^2 - 2*x*Log[x]^3)*Log[x + Log[x]] + (x + Log[x])*Log[ x + Log[x]]^2),x]
Output:
(4*x^2)/(-(x*Log[x]^2) + Log[x + Log[x]])
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int \frac {8 x^3 \log (x)-4 x^2-4 x^2 \log ^3(x)+\left (8 x^2+8 x \log (x)\right ) \log (x+\log (x))+\left (8 x^2-4 x^3\right ) \log ^2(x)-4 x}{x^3 \log ^4(x)+x^2 \log ^5(x)+\left (-2 x^2 \log ^2(x)-2 x \log ^3(x)\right ) \log (x+\log (x))+(x+\log (x)) \log ^2(x+\log (x))} \, dx\) |
\(\Big \downarrow \) 7292 |
\(\displaystyle \int \frac {4 x \left (-x^2 \log ^2(x)+2 x^2 \log (x)-x-x \log ^3(x)+2 x \log ^2(x)+2 \log (x+\log (x)) \log (x)+2 x \log (x+\log (x))-1\right )}{(x+\log (x)) \left (x \log ^2(x)-\log (x+\log (x))\right )^2}dx\) |
\(\Big \downarrow \) 27 |
\(\displaystyle 4 \int -\frac {x \left (x \log ^3(x)+x^2 \log ^2(x)-2 x \log ^2(x)-2 x^2 \log (x)-2 \log (x+\log (x)) \log (x)+x-2 x \log (x+\log (x))+1\right )}{(x+\log (x)) \left (x \log ^2(x)-\log (x+\log (x))\right )^2}dx\) |
\(\Big \downarrow \) 25 |
\(\displaystyle -4 \int \frac {x \left (x \log ^3(x)+x^2 \log ^2(x)-2 x \log ^2(x)-2 x^2 \log (x)-2 \log (x+\log (x)) \log (x)+x-2 x \log (x+\log (x))+1\right )}{(x+\log (x)) \left (x \log ^2(x)-\log (x+\log (x))\right )^2}dx\) |
\(\Big \downarrow \) 7293 |
\(\displaystyle -4 \int \left (\frac {2 x}{x \log ^2(x)-\log (x+\log (x))}-\frac {x \left (x \log ^3(x)+x^2 \log ^2(x)+2 x \log ^2(x)+2 x^2 \log (x)-x-1\right )}{(x+\log (x)) \left (x \log ^2(x)-\log (x+\log (x))\right )^2}\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle -4 \left (-2 \int \frac {x^3 \log (x)}{(x+\log (x)) \left (x \log ^2(x)-\log (x+\log (x))\right )^2}dx-\int \frac {x^3 \log ^2(x)}{(x+\log (x)) \left (x \log ^2(x)-\log (x+\log (x))\right )^2}dx+\int \frac {x^2}{(x+\log (x)) \left (x \log ^2(x)-\log (x+\log (x))\right )^2}dx-2 \int \frac {x^2 \log ^2(x)}{(x+\log (x)) \left (x \log ^2(x)-\log (x+\log (x))\right )^2}dx-\int \frac {x^2 \log ^3(x)}{(x+\log (x)) \left (x \log ^2(x)-\log (x+\log (x))\right )^2}dx+\int \frac {x}{(x+\log (x)) \left (x \log ^2(x)-\log (x+\log (x))\right )^2}dx+2 \int \frac {x}{x \log ^2(x)-\log (x+\log (x))}dx\right )\) |
Input:
Int[(-4*x - 4*x^2 + 8*x^3*Log[x] + (8*x^2 - 4*x^3)*Log[x]^2 - 4*x^2*Log[x] ^3 + (8*x^2 + 8*x*Log[x])*Log[x + Log[x]])/(x^3*Log[x]^4 + x^2*Log[x]^5 + (-2*x^2*Log[x]^2 - 2*x*Log[x]^3)*Log[x + Log[x]] + (x + Log[x])*Log[x + Lo g[x]]^2),x]
Output:
$Aborted
Time = 1.53 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10
method | result | size |
default | \(-\frac {4 x^{2}}{x \ln \left (x \right )^{2}-\ln \left (x +\ln \left (x \right )\right )}\) | \(22\) |
risch | \(-\frac {4 x^{2}}{x \ln \left (x \right )^{2}-\ln \left (x +\ln \left (x \right )\right )}\) | \(22\) |
parallelrisch | \(-\frac {4 x^{2}}{x \ln \left (x \right )^{2}-\ln \left (x +\ln \left (x \right )\right )}\) | \(22\) |
Input:
int(((8*x*ln(x)+8*x^2)*ln(x+ln(x))-4*x^2*ln(x)^3+(-4*x^3+8*x^2)*ln(x)^2+8* x^3*ln(x)-4*x^2-4*x)/((x+ln(x))*ln(x+ln(x))^2+(-2*x*ln(x)^3-2*x^2*ln(x)^2) *ln(x+ln(x))+x^2*ln(x)^5+x^3*ln(x)^4),x,method=_RETURNVERBOSE)
Output:
-4*x^2/(x*ln(x)^2-ln(x+ln(x)))
Time = 0.08 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.05 \[ \int \frac {-4 x-4 x^2+8 x^3 \log (x)+\left (8 x^2-4 x^3\right ) \log ^2(x)-4 x^2 \log ^3(x)+\left (8 x^2+8 x \log (x)\right ) \log (x+\log (x))}{x^3 \log ^4(x)+x^2 \log ^5(x)+\left (-2 x^2 \log ^2(x)-2 x \log ^3(x)\right ) \log (x+\log (x))+(x+\log (x)) \log ^2(x+\log (x))} \, dx=-\frac {4 \, x^{2}}{x \log \left (x\right )^{2} - \log \left (x + \log \left (x\right )\right )} \] Input:
integrate(((8*x*log(x)+8*x^2)*log(x+log(x))-4*x^2*log(x)^3+(-4*x^3+8*x^2)* log(x)^2+8*x^3*log(x)-4*x^2-4*x)/((x+log(x))*log(x+log(x))^2+(-2*x*log(x)^ 3-2*x^2*log(x)^2)*log(x+log(x))+x^2*log(x)^5+x^3*log(x)^4),x, algorithm="f ricas")
Output:
-4*x^2/(x*log(x)^2 - log(x + log(x)))
Time = 0.10 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.85 \[ \int \frac {-4 x-4 x^2+8 x^3 \log (x)+\left (8 x^2-4 x^3\right ) \log ^2(x)-4 x^2 \log ^3(x)+\left (8 x^2+8 x \log (x)\right ) \log (x+\log (x))}{x^3 \log ^4(x)+x^2 \log ^5(x)+\left (-2 x^2 \log ^2(x)-2 x \log ^3(x)\right ) \log (x+\log (x))+(x+\log (x)) \log ^2(x+\log (x))} \, dx=\frac {4 x^{2}}{- x \log {\left (x \right )}^{2} + \log {\left (x + \log {\left (x \right )} \right )}} \] Input:
integrate(((8*x*ln(x)+8*x**2)*ln(x+ln(x))-4*x**2*ln(x)**3+(-4*x**3+8*x**2) *ln(x)**2+8*x**3*ln(x)-4*x**2-4*x)/((x+ln(x))*ln(x+ln(x))**2+(-2*x*ln(x)** 3-2*x**2*ln(x)**2)*ln(x+ln(x))+x**2*ln(x)**5+x**3*ln(x)**4),x)
Output:
4*x**2/(-x*log(x)**2 + log(x + log(x)))
Time = 0.07 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.05 \[ \int \frac {-4 x-4 x^2+8 x^3 \log (x)+\left (8 x^2-4 x^3\right ) \log ^2(x)-4 x^2 \log ^3(x)+\left (8 x^2+8 x \log (x)\right ) \log (x+\log (x))}{x^3 \log ^4(x)+x^2 \log ^5(x)+\left (-2 x^2 \log ^2(x)-2 x \log ^3(x)\right ) \log (x+\log (x))+(x+\log (x)) \log ^2(x+\log (x))} \, dx=-\frac {4 \, x^{2}}{x \log \left (x\right )^{2} - \log \left (x + \log \left (x\right )\right )} \] Input:
integrate(((8*x*log(x)+8*x^2)*log(x+log(x))-4*x^2*log(x)^3+(-4*x^3+8*x^2)* log(x)^2+8*x^3*log(x)-4*x^2-4*x)/((x+log(x))*log(x+log(x))^2+(-2*x*log(x)^ 3-2*x^2*log(x)^2)*log(x+log(x))+x^2*log(x)^5+x^3*log(x)^4),x, algorithm="m axima")
Output:
-4*x^2/(x*log(x)^2 - log(x + log(x)))
Time = 0.14 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.05 \[ \int \frac {-4 x-4 x^2+8 x^3 \log (x)+\left (8 x^2-4 x^3\right ) \log ^2(x)-4 x^2 \log ^3(x)+\left (8 x^2+8 x \log (x)\right ) \log (x+\log (x))}{x^3 \log ^4(x)+x^2 \log ^5(x)+\left (-2 x^2 \log ^2(x)-2 x \log ^3(x)\right ) \log (x+\log (x))+(x+\log (x)) \log ^2(x+\log (x))} \, dx=-\frac {4 \, x^{2}}{x \log \left (x\right )^{2} - \log \left (x + \log \left (x\right )\right )} \] Input:
integrate(((8*x*log(x)+8*x^2)*log(x+log(x))-4*x^2*log(x)^3+(-4*x^3+8*x^2)* log(x)^2+8*x^3*log(x)-4*x^2-4*x)/((x+log(x))*log(x+log(x))^2+(-2*x*log(x)^ 3-2*x^2*log(x)^2)*log(x+log(x))+x^2*log(x)^5+x^3*log(x)^4),x, algorithm="g iac")
Output:
-4*x^2/(x*log(x)^2 - log(x + log(x)))
Timed out. \[ \int \frac {-4 x-4 x^2+8 x^3 \log (x)+\left (8 x^2-4 x^3\right ) \log ^2(x)-4 x^2 \log ^3(x)+\left (8 x^2+8 x \log (x)\right ) \log (x+\log (x))}{x^3 \log ^4(x)+x^2 \log ^5(x)+\left (-2 x^2 \log ^2(x)-2 x \log ^3(x)\right ) \log (x+\log (x))+(x+\log (x)) \log ^2(x+\log (x))} \, dx=\int -\frac {4\,x-8\,x^3\,\ln \left (x\right )-{\ln \left (x\right )}^2\,\left (8\,x^2-4\,x^3\right )+4\,x^2\,{\ln \left (x\right )}^3+4\,x^2-\ln \left (x+\ln \left (x\right )\right )\,\left (8\,x\,\ln \left (x\right )+8\,x^2\right )}{x^2\,{\ln \left (x\right )}^5+x^3\,{\ln \left (x\right )}^4-\ln \left (x+\ln \left (x\right )\right )\,\left (2\,x^2\,{\ln \left (x\right )}^2+2\,x\,{\ln \left (x\right )}^3\right )+{\ln \left (x+\ln \left (x\right )\right )}^2\,\left (x+\ln \left (x\right )\right )} \,d x \] Input:
int(-(4*x - 8*x^3*log(x) - log(x)^2*(8*x^2 - 4*x^3) + 4*x^2*log(x)^3 + 4*x ^2 - log(x + log(x))*(8*x*log(x) + 8*x^2))/(x^2*log(x)^5 + x^3*log(x)^4 - log(x + log(x))*(2*x*log(x)^3 + 2*x^2*log(x)^2) + log(x + log(x))^2*(x + l og(x))),x)
Output:
int(-(4*x - 8*x^3*log(x) - log(x)^2*(8*x^2 - 4*x^3) + 4*x^2*log(x)^3 + 4*x ^2 - log(x + log(x))*(8*x*log(x) + 8*x^2))/(x^2*log(x)^5 + x^3*log(x)^4 - log(x + log(x))*(2*x*log(x)^3 + 2*x^2*log(x)^2) + log(x + log(x))^2*(x + l og(x))), x)
Time = 0.17 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int \frac {-4 x-4 x^2+8 x^3 \log (x)+\left (8 x^2-4 x^3\right ) \log ^2(x)-4 x^2 \log ^3(x)+\left (8 x^2+8 x \log (x)\right ) \log (x+\log (x))}{x^3 \log ^4(x)+x^2 \log ^5(x)+\left (-2 x^2 \log ^2(x)-2 x \log ^3(x)\right ) \log (x+\log (x))+(x+\log (x)) \log ^2(x+\log (x))} \, dx=\frac {4 x^{2}}{\mathrm {log}\left (\mathrm {log}\left (x \right )+x \right )-\mathrm {log}\left (x \right )^{2} x} \] Input:
int(((8*x*log(x)+8*x^2)*log(x+log(x))-4*x^2*log(x)^3+(-4*x^3+8*x^2)*log(x) ^2+8*x^3*log(x)-4*x^2-4*x)/((x+log(x))*log(x+log(x))^2+(-2*x*log(x)^3-2*x^ 2*log(x)^2)*log(x+log(x))+x^2*log(x)^5+x^3*log(x)^4),x)
Output:
(4*x**2)/(log(log(x) + x) - log(x)**2*x)