\(\int \frac {-4+4 \log (x)+(-e^x+e^x \log (x)) \log (3 x)+(-6 e^x x+e^x \log (x)+(-6 e^x x^2+e^x x \log (x)) \log (3 x)) \log (\frac {-6 x+\log (x)}{x})}{-96 x^2+16 x \log (x)+(-48 e^x x^2+8 e^x x \log (x)) \log (3 x)+(-6 e^{2 x} x^2+e^{2 x} x \log (x)) \log ^2(3 x)} \, dx\) [6592]

   Optimal result
   Rubi [F]
   Mathematica [A] (verified)
   Maple [A] (verified)
   Fricas [A] (verification not implemented)
   Sympy [A] (verification not implemented)
   Maxima [A] (verification not implemented)
   Giac [A] (verification not implemented)
   Mupad [B] (verification not implemented)

Optimal result

Integrand size = 132, antiderivative size = 25 \[ \int \frac {-4+4 \log (x)+\left (-e^x+e^x \log (x)\right ) \log (3 x)+\left (-6 e^x x+e^x \log (x)+\left (-6 e^x x^2+e^x x \log (x)\right ) \log (3 x)\right ) \log \left (\frac {-6 x+\log (x)}{x}\right )}{-96 x^2+16 x \log (x)+\left (-48 e^x x^2+8 e^x x \log (x)\right ) \log (3 x)+\left (-6 e^{2 x} x^2+e^{2 x} x \log (x)\right ) \log ^2(3 x)} \, dx=-20+\frac {\log \left (-6+\frac {\log (x)}{x}\right )}{-4-e^x \log (3 x)} \]

[Out]

ln(ln(x)/x-6)/(-4-ln(3*x)*exp(x))-20

Rubi [F]

\[ \int \frac {-4+4 \log (x)+\left (-e^x+e^x \log (x)\right ) \log (3 x)+\left (-6 e^x x+e^x \log (x)+\left (-6 e^x x^2+e^x x \log (x)\right ) \log (3 x)\right ) \log \left (\frac {-6 x+\log (x)}{x}\right )}{-96 x^2+16 x \log (x)+\left (-48 e^x x^2+8 e^x x \log (x)\right ) \log (3 x)+\left (-6 e^{2 x} x^2+e^{2 x} x \log (x)\right ) \log ^2(3 x)} \, dx=\int \frac {-4+4 \log (x)+\left (-e^x+e^x \log (x)\right ) \log (3 x)+\left (-6 e^x x+e^x \log (x)+\left (-6 e^x x^2+e^x x \log (x)\right ) \log (3 x)\right ) \log \left (\frac {-6 x+\log (x)}{x}\right )}{-96 x^2+16 x \log (x)+\left (-48 e^x x^2+8 e^x x \log (x)\right ) \log (3 x)+\left (-6 e^{2 x} x^2+e^{2 x} x \log (x)\right ) \log ^2(3 x)} \, dx \]

[In]

Int[(-4 + 4*Log[x] + (-E^x + E^x*Log[x])*Log[3*x] + (-6*E^x*x + E^x*Log[x] + (-6*E^x*x^2 + E^x*x*Log[x])*Log[3
*x])*Log[(-6*x + Log[x])/x])/(-96*x^2 + 16*x*Log[x] + (-48*E^x*x^2 + 8*E^x*x*Log[x])*Log[3*x] + (-6*E^(2*x)*x^
2 + E^(2*x)*x*Log[x])*Log[3*x]^2),x]

[Out]

Defer[Int][1/(x*(6*x - Log[x])*(4 + E^x*Log[3*x])), x] - Defer[Int][Log[x]/(x*(6*x - Log[x])*(4 + E^x*Log[3*x]
)), x] - 4*Defer[Int][Log[-6 + Log[x]/x]/(4 + E^x*Log[3*x])^2, x] - 4*Defer[Int][Log[-6 + Log[x]/x]/(x*Log[3*x
]*(4 + E^x*Log[3*x])^2), x] + 6*Defer[Int][(x*Log[-6 + Log[x]/x])/((6*x - Log[x])*(4 + E^x*Log[3*x])), x] - De
fer[Int][(Log[x]*Log[-6 + Log[x]/x])/((6*x - Log[x])*(4 + E^x*Log[3*x])), x] + 6*Defer[Int][Log[-6 + Log[x]/x]
/((6*x - Log[x])*Log[3*x]*(4 + E^x*Log[3*x])), x] - Defer[Int][(Log[x]*Log[-6 + Log[x]/x])/(x*(6*x - Log[x])*L
og[3*x]*(4 + E^x*Log[3*x])), x]

Rubi steps \begin{align*} \text {integral}& = \int \frac {4-4 \log (x)-\left (-e^x+e^x \log (x)\right ) \log (3 x)-\left (-6 e^x x+e^x \log (x)+\left (-6 e^x x^2+e^x x \log (x)\right ) \log (3 x)\right ) \log \left (\frac {-6 x+\log (x)}{x}\right )}{x (6 x-\log (x)) \left (4+e^x \log (3 x)\right )^2} \, dx \\ & = \int \frac {4-4 \log (x)-e^x (-1+\log (x)) \log (3 x)+e^x (6 x-\log (x)) (1+x \log (3 x)) \log \left (-6+\frac {\log (x)}{x}\right )}{x (6 x-\log (x)) \left (4+e^x \log (3 x)\right )^2} \, dx \\ & = \int \left (-\frac {4 (1+x \log (3 x)) \log \left (-6+\frac {\log (x)}{x}\right )}{x \log (3 x) \left (4+e^x \log (3 x)\right )^2}+\frac {\log (3 x)-\log (x) \log (3 x)+6 x \log \left (-6+\frac {\log (x)}{x}\right )-\log (x) \log \left (-6+\frac {\log (x)}{x}\right )+6 x^2 \log (3 x) \log \left (-6+\frac {\log (x)}{x}\right )-x \log (x) \log (3 x) \log \left (-6+\frac {\log (x)}{x}\right )}{x (6 x-\log (x)) \log (3 x) \left (4+e^x \log (3 x)\right )}\right ) \, dx \\ & = -\left (4 \int \frac {(1+x \log (3 x)) \log \left (-6+\frac {\log (x)}{x}\right )}{x \log (3 x) \left (4+e^x \log (3 x)\right )^2} \, dx\right )+\int \frac {\log (3 x)-\log (x) \log (3 x)+6 x \log \left (-6+\frac {\log (x)}{x}\right )-\log (x) \log \left (-6+\frac {\log (x)}{x}\right )+6 x^2 \log (3 x) \log \left (-6+\frac {\log (x)}{x}\right )-x \log (x) \log (3 x) \log \left (-6+\frac {\log (x)}{x}\right )}{x (6 x-\log (x)) \log (3 x) \left (4+e^x \log (3 x)\right )} \, dx \\ & = -\left (4 \int \left (\frac {\log \left (-6+\frac {\log (x)}{x}\right )}{\left (4+e^x \log (3 x)\right )^2}+\frac {\log \left (-6+\frac {\log (x)}{x}\right )}{x \log (3 x) \left (4+e^x \log (3 x)\right )^2}\right ) \, dx\right )+\int \left (\frac {1}{x (6 x-\log (x)) \left (4+e^x \log (3 x)\right )}-\frac {\log (x)}{x (6 x-\log (x)) \left (4+e^x \log (3 x)\right )}+\frac {6 x \log \left (-6+\frac {\log (x)}{x}\right )}{(6 x-\log (x)) \left (4+e^x \log (3 x)\right )}-\frac {\log (x) \log \left (-6+\frac {\log (x)}{x}\right )}{(6 x-\log (x)) \left (4+e^x \log (3 x)\right )}+\frac {6 \log \left (-6+\frac {\log (x)}{x}\right )}{(6 x-\log (x)) \log (3 x) \left (4+e^x \log (3 x)\right )}-\frac {\log (x) \log \left (-6+\frac {\log (x)}{x}\right )}{x (6 x-\log (x)) \log (3 x) \left (4+e^x \log (3 x)\right )}\right ) \, dx \\ & = -\left (4 \int \frac {\log \left (-6+\frac {\log (x)}{x}\right )}{\left (4+e^x \log (3 x)\right )^2} \, dx\right )-4 \int \frac {\log \left (-6+\frac {\log (x)}{x}\right )}{x \log (3 x) \left (4+e^x \log (3 x)\right )^2} \, dx+6 \int \frac {x \log \left (-6+\frac {\log (x)}{x}\right )}{(6 x-\log (x)) \left (4+e^x \log (3 x)\right )} \, dx+6 \int \frac {\log \left (-6+\frac {\log (x)}{x}\right )}{(6 x-\log (x)) \log (3 x) \left (4+e^x \log (3 x)\right )} \, dx+\int \frac {1}{x (6 x-\log (x)) \left (4+e^x \log (3 x)\right )} \, dx-\int \frac {\log (x)}{x (6 x-\log (x)) \left (4+e^x \log (3 x)\right )} \, dx-\int \frac {\log (x) \log \left (-6+\frac {\log (x)}{x}\right )}{(6 x-\log (x)) \left (4+e^x \log (3 x)\right )} \, dx-\int \frac {\log (x) \log \left (-6+\frac {\log (x)}{x}\right )}{x (6 x-\log (x)) \log (3 x) \left (4+e^x \log (3 x)\right )} \, dx \\ \end{align*}

Mathematica [A] (verified)

Time = 0.16 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.92 \[ \int \frac {-4+4 \log (x)+\left (-e^x+e^x \log (x)\right ) \log (3 x)+\left (-6 e^x x+e^x \log (x)+\left (-6 e^x x^2+e^x x \log (x)\right ) \log (3 x)\right ) \log \left (\frac {-6 x+\log (x)}{x}\right )}{-96 x^2+16 x \log (x)+\left (-48 e^x x^2+8 e^x x \log (x)\right ) \log (3 x)+\left (-6 e^{2 x} x^2+e^{2 x} x \log (x)\right ) \log ^2(3 x)} \, dx=-\frac {\log \left (-6+\frac {\log (x)}{x}\right )}{4+e^x \log (3 x)} \]

[In]

Integrate[(-4 + 4*Log[x] + (-E^x + E^x*Log[x])*Log[3*x] + (-6*E^x*x + E^x*Log[x] + (-6*E^x*x^2 + E^x*x*Log[x])
*Log[3*x])*Log[(-6*x + Log[x])/x])/(-96*x^2 + 16*x*Log[x] + (-48*E^x*x^2 + 8*E^x*x*Log[x])*Log[3*x] + (-6*E^(2
*x)*x^2 + E^(2*x)*x*Log[x])*Log[3*x]^2),x]

[Out]

-(Log[-6 + Log[x]/x]/(4 + E^x*Log[3*x]))

Maple [A] (verified)

Time = 32.52 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00

method result size
parallelrisch \(-\frac {\ln \left (\frac {\ln \left (x \right )-6 x}{x}\right )}{\ln \left (3 x \right ) {\mathrm e}^{x}+4}\) \(25\)
risch \(-\frac {2 \ln \left (-\frac {\ln \left (x \right )}{6}+x \right )}{8+2 \ln \left (3\right ) {\mathrm e}^{x}+2 \,{\mathrm e}^{x} \ln \left (x \right )}-\frac {-2 i \pi \operatorname {csgn}\left (\frac {i \left (\frac {\ln \left (x \right )}{6}-x \right )}{x}\right )^{2}-i \pi \,\operatorname {csgn}\left (i \left (\frac {\ln \left (x \right )}{6}-x \right )\right ) \operatorname {csgn}\left (\frac {i \left (\frac {\ln \left (x \right )}{6}-x \right )}{x}\right )^{2}-i \pi \,\operatorname {csgn}\left (i \left (\frac {\ln \left (x \right )}{6}-x \right )\right ) \operatorname {csgn}\left (\frac {i \left (\frac {\ln \left (x \right )}{6}-x \right )}{x}\right ) \operatorname {csgn}\left (\frac {i}{x}\right )-i \pi \operatorname {csgn}\left (\frac {i \left (\frac {\ln \left (x \right )}{6}-x \right )}{x}\right )^{3}+i \pi \operatorname {csgn}\left (\frac {i \left (\frac {\ln \left (x \right )}{6}-x \right )}{x}\right )^{2} \operatorname {csgn}\left (\frac {i}{x}\right )+2 i \pi +2 \ln \left (3\right )+2 \ln \left (2\right )-2 \ln \left (x \right )}{8+2 \ln \left (3\right ) {\mathrm e}^{x}+2 \,{\mathrm e}^{x} \ln \left (x \right )}\) \(203\)

[In]

int((((x*exp(x)*ln(x)-6*exp(x)*x^2)*ln(3*x)+exp(x)*ln(x)-6*exp(x)*x)*ln((ln(x)-6*x)/x)+(exp(x)*ln(x)-exp(x))*l
n(3*x)+4*ln(x)-4)/((x*exp(x)^2*ln(x)-6*exp(x)^2*x^2)*ln(3*x)^2+(8*x*exp(x)*ln(x)-48*exp(x)*x^2)*ln(3*x)+16*x*l
n(x)-96*x^2),x,method=_RETURNVERBOSE)

[Out]

-ln((ln(x)-6*x)/x)/(ln(3*x)*exp(x)+4)

Fricas [A] (verification not implemented)

none

Time = 0.28 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.20 \[ \int \frac {-4+4 \log (x)+\left (-e^x+e^x \log (x)\right ) \log (3 x)+\left (-6 e^x x+e^x \log (x)+\left (-6 e^x x^2+e^x x \log (x)\right ) \log (3 x)\right ) \log \left (\frac {-6 x+\log (x)}{x}\right )}{-96 x^2+16 x \log (x)+\left (-48 e^x x^2+8 e^x x \log (x)\right ) \log (3 x)+\left (-6 e^{2 x} x^2+e^{2 x} x \log (x)\right ) \log ^2(3 x)} \, dx=-\frac {\log \left (-\frac {6 \, x - \log \left (x\right )}{x}\right )}{e^{x} \log \left (3\right ) + e^{x} \log \left (x\right ) + 4} \]

[In]

integrate((((x*exp(x)*log(x)-6*exp(x)*x^2)*log(3*x)+exp(x)*log(x)-6*exp(x)*x)*log((log(x)-6*x)/x)+(exp(x)*log(
x)-exp(x))*log(3*x)+4*log(x)-4)/((x*exp(x)^2*log(x)-6*exp(x)^2*x^2)*log(3*x)^2+(8*x*exp(x)*log(x)-48*exp(x)*x^
2)*log(3*x)+16*x*log(x)-96*x^2),x, algorithm="fricas")

[Out]

-log(-(6*x - log(x))/x)/(e^x*log(3) + e^x*log(x) + 4)

Sympy [A] (verification not implemented)

Time = 0.27 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.88 \[ \int \frac {-4+4 \log (x)+\left (-e^x+e^x \log (x)\right ) \log (3 x)+\left (-6 e^x x+e^x \log (x)+\left (-6 e^x x^2+e^x x \log (x)\right ) \log (3 x)\right ) \log \left (\frac {-6 x+\log (x)}{x}\right )}{-96 x^2+16 x \log (x)+\left (-48 e^x x^2+8 e^x x \log (x)\right ) \log (3 x)+\left (-6 e^{2 x} x^2+e^{2 x} x \log (x)\right ) \log ^2(3 x)} \, dx=- \frac {\log {\left (\frac {- 6 x + \log {\left (x \right )}}{x} \right )}}{\left (\log {\left (x \right )} + \log {\left (3 \right )}\right ) e^{x} + 4} \]

[In]

integrate((((x*exp(x)*ln(x)-6*exp(x)*x**2)*ln(3*x)+exp(x)*ln(x)-6*exp(x)*x)*ln((ln(x)-6*x)/x)+(exp(x)*ln(x)-ex
p(x))*ln(3*x)+4*ln(x)-4)/((x*exp(x)**2*ln(x)-6*exp(x)**2*x**2)*ln(3*x)**2+(8*x*exp(x)*ln(x)-48*exp(x)*x**2)*ln
(3*x)+16*x*ln(x)-96*x**2),x)

[Out]

-log((-6*x + log(x))/x)/((log(x) + log(3))*exp(x) + 4)

Maxima [A] (verification not implemented)

none

Time = 0.36 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00 \[ \int \frac {-4+4 \log (x)+\left (-e^x+e^x \log (x)\right ) \log (3 x)+\left (-6 e^x x+e^x \log (x)+\left (-6 e^x x^2+e^x x \log (x)\right ) \log (3 x)\right ) \log \left (\frac {-6 x+\log (x)}{x}\right )}{-96 x^2+16 x \log (x)+\left (-48 e^x x^2+8 e^x x \log (x)\right ) \log (3 x)+\left (-6 e^{2 x} x^2+e^{2 x} x \log (x)\right ) \log ^2(3 x)} \, dx=\frac {\log \left (x\right ) - \log \left (-6 \, x + \log \left (x\right )\right )}{{\left (\log \left (3\right ) + \log \left (x\right )\right )} e^{x} + 4} \]

[In]

integrate((((x*exp(x)*log(x)-6*exp(x)*x^2)*log(3*x)+exp(x)*log(x)-6*exp(x)*x)*log((log(x)-6*x)/x)+(exp(x)*log(
x)-exp(x))*log(3*x)+4*log(x)-4)/((x*exp(x)^2*log(x)-6*exp(x)^2*x^2)*log(3*x)^2+(8*x*exp(x)*log(x)-48*exp(x)*x^
2)*log(3*x)+16*x*log(x)-96*x^2),x, algorithm="maxima")

[Out]

(log(x) - log(-6*x + log(x)))/((log(3) + log(x))*e^x + 4)

Giac [A] (verification not implemented)

none

Time = 0.58 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {-4+4 \log (x)+\left (-e^x+e^x \log (x)\right ) \log (3 x)+\left (-6 e^x x+e^x \log (x)+\left (-6 e^x x^2+e^x x \log (x)\right ) \log (3 x)\right ) \log \left (\frac {-6 x+\log (x)}{x}\right )}{-96 x^2+16 x \log (x)+\left (-48 e^x x^2+8 e^x x \log (x)\right ) \log (3 x)+\left (-6 e^{2 x} x^2+e^{2 x} x \log (x)\right ) \log ^2(3 x)} \, dx=\frac {\log \left (x\right ) - \log \left (-6 \, x + \log \left (x\right )\right )}{e^{x} \log \left (3\right ) + e^{x} \log \left (x\right ) + 4} \]

[In]

integrate((((x*exp(x)*log(x)-6*exp(x)*x^2)*log(3*x)+exp(x)*log(x)-6*exp(x)*x)*log((log(x)-6*x)/x)+(exp(x)*log(
x)-exp(x))*log(3*x)+4*log(x)-4)/((x*exp(x)^2*log(x)-6*exp(x)^2*x^2)*log(3*x)^2+(8*x*exp(x)*log(x)-48*exp(x)*x^
2)*log(3*x)+16*x*log(x)-96*x^2),x, algorithm="giac")

[Out]

(log(x) - log(-6*x + log(x)))/(e^x*log(3) + e^x*log(x) + 4)

Mupad [B] (verification not implemented)

Time = 12.32 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {-4+4 \log (x)+\left (-e^x+e^x \log (x)\right ) \log (3 x)+\left (-6 e^x x+e^x \log (x)+\left (-6 e^x x^2+e^x x \log (x)\right ) \log (3 x)\right ) \log \left (\frac {-6 x+\log (x)}{x}\right )}{-96 x^2+16 x \log (x)+\left (-48 e^x x^2+8 e^x x \log (x)\right ) \log (3 x)+\left (-6 e^{2 x} x^2+e^{2 x} x \log (x)\right ) \log ^2(3 x)} \, dx=-\frac {\ln \left (-\frac {6\,x-\ln \left (x\right )}{x}\right )}{\ln \left (3\,x\right )\,{\mathrm {e}}^x+4} \]

[In]

int((log(3*x)*(exp(x) - exp(x)*log(x)) - 4*log(x) + log(-(6*x - log(x))/x)*(log(3*x)*(6*x^2*exp(x) - x*exp(x)*
log(x)) - exp(x)*log(x) + 6*x*exp(x)) + 4)/(log(3*x)*(48*x^2*exp(x) - 8*x*exp(x)*log(x)) - 16*x*log(x) + log(3
*x)^2*(6*x^2*exp(2*x) - x*exp(2*x)*log(x)) + 96*x^2),x)

[Out]

-log(-(6*x - log(x))/x)/(log(3*x)*exp(x) + 4)