Integrand size = 108, antiderivative size = 23 \begin {dmath*} \int \frac {e^x \left (1-2 x-4 x^2\right )+e^x (-4-5 x) \log (x)+\left (e^x \left (x^2+x^3\right )+e^x \left (x+x^2\right ) \log (x)\right ) \log \left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )}{\left (x^2+x^3+\left (x+x^2\right ) \log (x)\right ) \log ^2\left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )} \, dx=\frac {e^x}{\log \left (\frac {10 x^3 \left (x+x^2\right )}{x+\log (x)}\right )} \end {dmath*}
Time = 0.11 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \begin {dmath*} \int \frac {e^x \left (1-2 x-4 x^2\right )+e^x (-4-5 x) \log (x)+\left (e^x \left (x^2+x^3\right )+e^x \left (x+x^2\right ) \log (x)\right ) \log \left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )}{\left (x^2+x^3+\left (x+x^2\right ) \log (x)\right ) \log ^2\left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )} \, dx=\frac {e^x}{\log \left (\frac {10 x^4 (1+x)}{x+\log (x)}\right )} \end {dmath*}
Integrate[(E^x*(1 - 2*x - 4*x^2) + E^x*(-4 - 5*x)*Log[x] + (E^x*(x^2 + x^3 ) + E^x*(x + x^2)*Log[x])*Log[(10*x^4 + 10*x^5)/(x + Log[x])])/((x^2 + x^3 + (x + x^2)*Log[x])*Log[(10*x^4 + 10*x^5)/(x + Log[x])]^2),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.
\(\displaystyle \int \frac {e^x \left (-4 x^2-2 x+1\right )+\left (e^x \left (x^2+x\right ) \log (x)+e^x \left (x^3+x^2\right )\right ) \log \left (\frac {10 x^5+10 x^4}{x+\log (x)}\right )+e^x (-5 x-4) \log (x)}{\left (x^3+x^2+\left (x^2+x\right ) \log (x)\right ) \log ^2\left (\frac {10 x^5+10 x^4}{x+\log (x)}\right )} \, dx\) |
\(\Big \downarrow \) 7292 |
\(\displaystyle \int \frac {e^x \left (-4 x^2-2 x+1\right )+\left (e^x \left (x^2+x\right ) \log (x)+e^x \left (x^3+x^2\right )\right ) \log \left (\frac {10 x^5+10 x^4}{x+\log (x)}\right )+e^x (-5 x-4) \log (x)}{x (x+1) (x+\log (x)) \log ^2\left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}dx\) |
\(\Big \downarrow \) 7293 |
\(\displaystyle \int \left (\frac {e^x \left (x \log (x) \log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )-4 x^2+x^3 \log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )+x^2 \log (x) \log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )+x^2 \log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )-2 x-5 x \log (x)-4 \log (x)+1\right )}{x (x+\log (x)) \log ^2\left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}-\frac {e^x \left (x \log (x) \log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )-4 x^2+x^3 \log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )+x^2 \log (x) \log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )+x^2 \log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )-2 x-5 x \log (x)-4 \log (x)+1\right )}{(x+1) (x+\log (x)) \log ^2\left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}\right )dx\) |
\(\Big \downarrow \) 7239 |
\(\displaystyle \int \frac {e^x \left (\log (x) \left ((x+1) x \log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )-5 x-4\right )-4 x^2+(x+1) x^2 \log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )-2 x+1\right )}{x (x+1) (x+\log (x)) \log ^2\left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}dx\) |
\(\Big \downarrow \) 7293 |
\(\displaystyle \int \left (\frac {e^x}{\log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}+\frac {e^x \left (-4 x^2-2 x-5 x \log (x)-4 \log (x)+1\right )}{x (x+1) (x+\log (x)) \log ^2\left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle -4 \int \frac {e^x}{(x+\log (x)) \log ^2\left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}dx+\int \frac {e^x}{x (x+\log (x)) \log ^2\left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}dx+\int \frac {e^x}{(x+1) (x+\log (x)) \log ^2\left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}dx-4 \int \frac {e^x \log (x)}{x (x+\log (x)) \log ^2\left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}dx-\int \frac {e^x \log (x)}{(x+1) (x+\log (x)) \log ^2\left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}dx+\int \frac {e^x}{\log \left (\frac {10 x^4 (x+1)}{x+\log (x)}\right )}dx\) |
Int[(E^x*(1 - 2*x - 4*x^2) + E^x*(-4 - 5*x)*Log[x] + (E^x*(x^2 + x^3) + E^ x*(x + x^2)*Log[x])*Log[(10*x^4 + 10*x^5)/(x + Log[x])])/((x^2 + x^3 + (x + x^2)*Log[x])*Log[(10*x^4 + 10*x^5)/(x + Log[x])]^2),x]
3.11.81.3.1 Defintions of rubi rules used
Int[u_, x_Symbol] :> With[{v = SimplifyIntegrand[u, x]}, Int[v, x] /; Simpl erIntegrandQ[v, u, x]]
Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 51.94 (sec) , antiderivative size = 441, normalized size of antiderivative = 19.17
method | result | size |
risch | \(\frac {2 i {\mathrm e}^{x}}{\pi \,\operatorname {csgn}\left (i x^{3}\right ) \operatorname {csgn}\left (i x^{4}\right ) \operatorname {csgn}\left (i x \right )+2 i \ln \left (1+x \right )+2 i \ln \left (2\right )+2 i \ln \left (5\right )+\pi \operatorname {csgn}\left (i x^{2}\right )^{3}+\pi \,\operatorname {csgn}\left (i x^{4}\right ) \operatorname {csgn}\left (\frac {i \left (1+x \right )}{x +\ln \left (x \right )}\right ) \operatorname {csgn}\left (\frac {i x^{4} \left (1+x \right )}{x +\ln \left (x \right )}\right )+\pi \,\operatorname {csgn}\left (\frac {i}{x +\ln \left (x \right )}\right ) \operatorname {csgn}\left (\frac {i \left (1+x \right )}{x +\ln \left (x \right )}\right ) \operatorname {csgn}\left (i \left (1+x \right )\right )-\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 )+8 i \ln \left (x \right )+\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^{4}\right )^{3}+\pi \operatorname {csgn}\left (\frac {i x^{4} \left (1+x \right )}{x +\ln \left (x \right )}\right )^{3}-\pi \,\operatorname {csgn}\left (\frac {i}{x +\ln \left (x \right )}\right ) \operatorname {csgn}\left (\frac {i \left (1+x \right )}{x +\ln \left (x \right )}\right )^{2}-\pi \operatorname {csgn}\left (\frac {i \left (1+x \right )}{x +\ln \left (x \right )}\right )^{2} \operatorname {csgn}\left (i \left (1+x \right )\right )-\pi \,\operatorname {csgn}\left (i x^{4}\right ) \operatorname {csgn}\left (\frac {i x^{4} \left (1+x \right )}{x +\ln \left (x \right )}\right )^{2}-\pi \,\operatorname {csgn}\left (\frac {i \left (1+x \right )}{x +\ln \left (x \right )}\right ) \operatorname {csgn}\left (\frac {i x^{4} \left (1+x \right )}{x +\ln \left (x \right )}\right )^{2}-\pi \,\operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i x^{3}\right )^{2}-\pi \,\operatorname {csgn}\left (i x^{2}\right ) \operatorname {csgn}\left (i x^{3}\right )^{2}+\pi \operatorname {csgn}\left (\frac {i \left (1+x \right )}{x +\ln \left (x \right )}\right )^{3}+\pi \,\operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i x^{2}\right ) \operatorname {csgn}\left (i x^{3}\right )-2 i \ln \left (x +\ln \left (x \right )\right )+\pi \operatorname {csgn}\left (i x^{3}\right )^{3}}\) | \(441\) |
int((((x^2+x)*exp(x)*ln(x)+(x^3+x^2)*exp(x))*ln((10*x^5+10*x^4)/(x+ln(x))) +(-5*x-4)*exp(x)*ln(x)+(-4*x^2-2*x+1)*exp(x))/((x^2+x)*ln(x)+x^3+x^2)/ln(( 10*x^5+10*x^4)/(x+ln(x)))^2,x,method=_RETURNVERBOSE)
2*I*exp(x)/(Pi*csgn(I*x^3)*csgn(I*x^4)*csgn(I*x)+2*I*ln(1+x)+2*I*ln(2)+2*I *ln(5)+Pi*csgn(I*x^2)^3+Pi*csgn(I*x^4)*csgn(I*(1+x)/(x+ln(x)))*csgn(I*x^4/ (x+ln(x))*(1+x))+Pi*csgn(I/(x+ln(x)))*csgn(I*(1+x)/(x+ln(x)))*csgn(I*(1+x) )-Pi*csgn(I*x^3)*csgn(I*x^4)^2-Pi*csgn(I*x^4)^2*csgn(I*x)+8*I*ln(x)+Pi*csg n(I*x)^2*csgn(I*x^2)-2*Pi*csgn(I*x)*csgn(I*x^2)^2+Pi*csgn(I*x^4)^3+Pi*csgn (I*x^4/(x+ln(x))*(1+x))^3-Pi*csgn(I/(x+ln(x)))*csgn(I*(1+x)/(x+ln(x)))^2-P i*csgn(I*(1+x)/(x+ln(x)))^2*csgn(I*(1+x))-Pi*csgn(I*x^4)*csgn(I*x^4/(x+ln( x))*(1+x))^2-Pi*csgn(I*(1+x)/(x+ln(x)))*csgn(I*x^4/(x+ln(x))*(1+x))^2-Pi*c sgn(I*x)*csgn(I*x^3)^2-Pi*csgn(I*x^2)*csgn(I*x^3)^2+Pi*csgn(I*(1+x)/(x+ln( x)))^3+Pi*csgn(I*x)*csgn(I*x^2)*csgn(I*x^3)-2*I*ln(x+ln(x))+Pi*csgn(I*x^3) ^3)
Time = 0.26 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \begin {dmath*} \int \frac {e^x \left (1-2 x-4 x^2\right )+e^x (-4-5 x) \log (x)+\left (e^x \left (x^2+x^3\right )+e^x \left (x+x^2\right ) \log (x)\right ) \log \left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )}{\left (x^2+x^3+\left (x+x^2\right ) \log (x)\right ) \log ^2\left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )} \, dx=\frac {e^{x}}{\log \left (\frac {10 \, {\left (x^{5} + x^{4}\right )}}{x + \log \left (x\right )}\right )} \end {dmath*}
integrate((((x^2+x)*exp(x)*log(x)+(x^3+x^2)*exp(x))*log((10*x^5+10*x^4)/(x +log(x)))+(-5*x-4)*exp(x)*log(x)+(-4*x^2-2*x+1)*exp(x))/((x^2+x)*log(x)+x^ 3+x^2)/log((10*x^5+10*x^4)/(x+log(x)))^2,x, algorithm=\
Time = 0.37 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \begin {dmath*} \int \frac {e^x \left (1-2 x-4 x^2\right )+e^x (-4-5 x) \log (x)+\left (e^x \left (x^2+x^3\right )+e^x \left (x+x^2\right ) \log (x)\right ) \log \left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )}{\left (x^2+x^3+\left (x+x^2\right ) \log (x)\right ) \log ^2\left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )} \, dx=\frac {e^{x}}{\log {\left (\frac {10 x^{5} + 10 x^{4}}{x + \log {\left (x \right )}} \right )}} \end {dmath*}
integrate((((x**2+x)*exp(x)*ln(x)+(x**3+x**2)*exp(x))*ln((10*x**5+10*x**4) /(x+ln(x)))+(-5*x-4)*exp(x)*ln(x)+(-4*x**2-2*x+1)*exp(x))/((x**2+x)*ln(x)+ x**3+x**2)/ln((10*x**5+10*x**4)/(x+ln(x)))**2,x)
Time = 0.35 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.09 \begin {dmath*} \int \frac {e^x \left (1-2 x-4 x^2\right )+e^x (-4-5 x) \log (x)+\left (e^x \left (x^2+x^3\right )+e^x \left (x+x^2\right ) \log (x)\right ) \log \left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )}{\left (x^2+x^3+\left (x+x^2\right ) \log (x)\right ) \log ^2\left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )} \, dx=\frac {e^{x}}{\log \left (5\right ) + \log \left (2\right ) - \log \left (x + \log \left (x\right )\right ) + \log \left (x + 1\right ) + 4 \, \log \left (x\right )} \end {dmath*}
integrate((((x^2+x)*exp(x)*log(x)+(x^3+x^2)*exp(x))*log((10*x^5+10*x^4)/(x +log(x)))+(-5*x-4)*exp(x)*log(x)+(-4*x^2-2*x+1)*exp(x))/((x^2+x)*log(x)+x^ 3+x^2)/log((10*x^5+10*x^4)/(x+log(x)))^2,x, algorithm=\
Time = 0.42 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \begin {dmath*} \int \frac {e^x \left (1-2 x-4 x^2\right )+e^x (-4-5 x) \log (x)+\left (e^x \left (x^2+x^3\right )+e^x \left (x+x^2\right ) \log (x)\right ) \log \left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )}{\left (x^2+x^3+\left (x+x^2\right ) \log (x)\right ) \log ^2\left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )} \, dx=\frac {e^{x}}{\log \left (10 \, x + 10\right ) - \log \left (x + \log \left (x\right )\right ) + 4 \, \log \left (x\right )} \end {dmath*}
integrate((((x^2+x)*exp(x)*log(x)+(x^3+x^2)*exp(x))*log((10*x^5+10*x^4)/(x +log(x)))+(-5*x-4)*exp(x)*log(x)+(-4*x^2-2*x+1)*exp(x))/((x^2+x)*log(x)+x^ 3+x^2)/log((10*x^5+10*x^4)/(x+log(x)))^2,x, algorithm=\
Time = 17.33 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \begin {dmath*} \int \frac {e^x \left (1-2 x-4 x^2\right )+e^x (-4-5 x) \log (x)+\left (e^x \left (x^2+x^3\right )+e^x \left (x+x^2\right ) \log (x)\right ) \log \left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )}{\left (x^2+x^3+\left (x+x^2\right ) \log (x)\right ) \log ^2\left (\frac {10 x^4+10 x^5}{x+\log (x)}\right )} \, dx=\frac {{\mathrm {e}}^x}{\ln \left (\frac {10\,x^5+10\,x^4}{x+\ln \left (x\right )}\right )} \end {dmath*}