\(\int \frac {-20-10 x-5 x^2+(8 x+8 x^2-2 x^3-2 x^4+e^{12 x} (-48-48 x+12 x^2+12 x^3)) \log ^2(\frac {-4+x^2}{1+x})}{(-20-20 x+5 x^2+5 x^3) \log (\frac {-4+x^2}{1+x})+(4 x^2+4 x^3-x^4-x^5+e^{12 x} (-4-4 x+x^2+x^3)) \log ^2(\frac {-4+x^2}{1+x})} \, dx\) [899]

Optimal result
Mathematica [A] (verified)
Rubi [F]
Maple [C] (warning: unable to verify)
Fricas [B] (verification not implemented)
Sympy [A] (verification not implemented)
Maxima [B] (verification not implemented)
Giac [A] (verification not implemented)
Mupad [F(-1)]
Reduce [B] (verification not implemented)

Optimal result

Integrand size = 150, antiderivative size = 32 \[ \int \frac {-20-10 x-5 x^2+\left (8 x+8 x^2-2 x^3-2 x^4+e^{12 x} \left (-48-48 x+12 x^2+12 x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )}{\left (-20-20 x+5 x^2+5 x^3\right ) \log \left (\frac {-4+x^2}{1+x}\right )+\left (4 x^2+4 x^3-x^4-x^5+e^{12 x} \left (-4-4 x+x^2+x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )} \, dx=\log \left (\log (4) \left (e^{12 x}-x^2+\frac {5}{\log \left (x-\frac {4+x}{1+x}\right )}\right )\right ) \] Output:

ln(2*ln(2)*(exp(12*x)+5/ln(x-(4+x)/(1+x))-x^2))
 

Mathematica [A] (verified)

Time = 0.70 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.69 \[ \int \frac {-20-10 x-5 x^2+\left (8 x+8 x^2-2 x^3-2 x^4+e^{12 x} \left (-48-48 x+12 x^2+12 x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )}{\left (-20-20 x+5 x^2+5 x^3\right ) \log \left (\frac {-4+x^2}{1+x}\right )+\left (4 x^2+4 x^3-x^4-x^5+e^{12 x} \left (-4-4 x+x^2+x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )} \, dx=-\log \left (\log \left (\frac {-4+x^2}{1+x}\right )\right )+\log \left (5+e^{12 x} \log \left (\frac {-4+x^2}{1+x}\right )-x^2 \log \left (\frac {-4+x^2}{1+x}\right )\right ) \] Input:

Integrate[(-20 - 10*x - 5*x^2 + (8*x + 8*x^2 - 2*x^3 - 2*x^4 + E^(12*x)*(- 
48 - 48*x + 12*x^2 + 12*x^3))*Log[(-4 + x^2)/(1 + x)]^2)/((-20 - 20*x + 5* 
x^2 + 5*x^3)*Log[(-4 + x^2)/(1 + x)] + (4*x^2 + 4*x^3 - x^4 - x^5 + E^(12* 
x)*(-4 - 4*x + x^2 + x^3))*Log[(-4 + x^2)/(1 + x)]^2),x]
 

Output:

-Log[Log[(-4 + x^2)/(1 + x)]] + Log[5 + E^(12*x)*Log[(-4 + x^2)/(1 + x)] - 
 x^2*Log[(-4 + x^2)/(1 + x)]]
 

Rubi [F]

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.

\(\displaystyle \int \frac {-5 x^2+\left (-2 x^4-2 x^3+8 x^2+e^{12 x} \left (12 x^3+12 x^2-48 x-48\right )+8 x\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )-10 x-20}{\left (5 x^3+5 x^2-20 x-20\right ) \log \left (\frac {x^2-4}{x+1}\right )+\left (-x^5-x^4+4 x^3+4 x^2+e^{12 x} \left (x^3+x^2-4 x-4\right )\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )} \, dx\)

\(\Big \downarrow \) 7292

\(\displaystyle \int \frac {5 x^2-\left (-2 x^4-2 x^3+8 x^2+e^{12 x} \left (12 x^3+12 x^2-48 x-48\right )+8 x\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x+20}{\left (-x^3-x^2+4 x+4\right ) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \left (-\log \left (\frac {x^2-4}{x+1}\right )\right )+e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )+5\right )}dx\)

\(\Big \downarrow \) 2463

\(\displaystyle \int \left (-\frac {5 x^2-\left (-2 x^4-2 x^3+8 x^2+e^{12 x} \left (12 x^3+12 x^2-48 x-48\right )+8 x\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x+20}{12 (x-2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \left (-\log \left (\frac {x^2-4}{x+1}\right )\right )+e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )+5\right )}+\frac {5 x^2-\left (-2 x^4-2 x^3+8 x^2+e^{12 x} \left (12 x^3+12 x^2-48 x-48\right )+8 x\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x+20}{3 (x+1) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \left (-\log \left (\frac {x^2-4}{x+1}\right )\right )+e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )+5\right )}-\frac {5 x^2-\left (-2 x^4-2 x^3+8 x^2+e^{12 x} \left (12 x^3+12 x^2-48 x-48\right )+8 x\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x+20}{4 (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \left (-\log \left (\frac {x^2-4}{x+1}\right )\right )+e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )+5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {5 \left (x^2+2 x+4\right )-2 \left (6 e^{12 x}-x\right ) \left (x^3+x^2-4 x-4\right ) \log ^2\left (\frac {x^2-4}{x+1}\right )}{(2-x) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (5-\left (x^2-e^{12 x}\right ) \log \left (\frac {x^2-4}{x+1}\right )\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (12-\frac {-5 x^2-40 x^2 \log ^2\left (\frac {x^2-4}{x+1}\right )+8 x \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^2 \log \left (\frac {x^2-4}{x+1}\right )+240 x \log \left (\frac {x^2-4}{x+1}\right )+240 \log \left (\frac {x^2-4}{x+1}\right )+12 x^5 \log ^2\left (\frac {x^2-4}{x+1}\right )+10 x^4 \log ^2\left (\frac {x^2-4}{x+1}\right )-50 x^3 \log ^2\left (\frac {x^2-4}{x+1}\right )-60 x^3 \log \left (\frac {x^2-4}{x+1}\right )-10 x-20}{(x-2) (x+1) (x+2) \log \left (\frac {x^2-4}{x+1}\right ) \left (x^2 \log \left (\frac {x^2-4}{x+1}\right )-e^{12 x} \log \left (\frac {x^2-4}{x+1}\right )-5\right )}\right )dx\)

Input:

Int[(-20 - 10*x - 5*x^2 + (8*x + 8*x^2 - 2*x^3 - 2*x^4 + E^(12*x)*(-48 - 4 
8*x + 12*x^2 + 12*x^3))*Log[(-4 + x^2)/(1 + x)]^2)/((-20 - 20*x + 5*x^2 + 
5*x^3)*Log[(-4 + x^2)/(1 + x)] + (4*x^2 + 4*x^3 - x^4 - x^5 + E^(12*x)*(-4 
 - 4*x + x^2 + x^3))*Log[(-4 + x^2)/(1 + x)]^2),x]
 

Output:

$Aborted
 
Maple [C] (warning: unable to verify)

Result contains higher order function than in optimal. Order 9 vs. order 3.

Time = 0.02 (sec) , antiderivative size = 433, normalized size of antiderivative = 13.53

\[\ln \left (-x^{2}+{\mathrm e}^{12 x}\right )+\ln \left (\ln \left (x^{2}-4\right )-\frac {i \left (\pi \,x^{2} \operatorname {csgn}\left (\frac {i}{1+x}\right ) \operatorname {csgn}\left (i \left (x^{2}-4\right )\right ) \operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )-\pi \,x^{2} \operatorname {csgn}\left (\frac {i}{1+x}\right ) {\operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )}^{2}-\pi \,x^{2} \operatorname {csgn}\left (i \left (x^{2}-4\right )\right ) {\operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )}^{2}+\pi \,x^{2} {\operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )}^{3}-\pi \,\operatorname {csgn}\left (\frac {i}{1+x}\right ) \operatorname {csgn}\left (i \left (x^{2}-4\right )\right ) \operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right ) {\mathrm e}^{12 x}+\pi \,\operatorname {csgn}\left (\frac {i}{1+x}\right ) {\operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )}^{2} {\mathrm e}^{12 x}+\pi \,\operatorname {csgn}\left (i \left (x^{2}-4\right )\right ) {\operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )}^{2} {\mathrm e}^{12 x}-\pi {\operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )}^{3} {\mathrm e}^{12 x}-2 i x^{2} \ln \left (1+x \right )+2 i {\mathrm e}^{12 x} \ln \left (1+x \right )-10 i\right )}{2 \left (x^{2}-{\mathrm e}^{12 x}\right )}\right )-\ln \left (\ln \left (x^{2}-4\right )-\frac {i \left (\pi \,\operatorname {csgn}\left (\frac {i}{1+x}\right ) \operatorname {csgn}\left (i \left (x^{2}-4\right )\right ) \operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )-\pi \,\operatorname {csgn}\left (\frac {i}{1+x}\right ) {\operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )}^{2}-\pi \,\operatorname {csgn}\left (i \left (x^{2}-4\right )\right ) {\operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )}^{2}+\pi {\operatorname {csgn}\left (\frac {i \left (x^{2}-4\right )}{1+x}\right )}^{3}-2 i \ln \left (1+x \right )\right )}{2}\right )\]

Input:

int((((12*x^3+12*x^2-48*x-48)*exp(12*x)-2*x^4-2*x^3+8*x^2+8*x)*ln((x^2-4)/ 
(1+x))^2-5*x^2-10*x-20)/(((x^3+x^2-4*x-4)*exp(12*x)-x^5-x^4+4*x^3+4*x^2)*l 
n((x^2-4)/(1+x))^2+(5*x^3+5*x^2-20*x-20)*ln((x^2-4)/(1+x))),x)
 

Output:

ln(-x^2+exp(12*x))+ln(ln(x^2-4)-1/2*I*(Pi*x^2*csgn(I/(1+x))*csgn(I*(x^2-4) 
)*csgn(I/(1+x)*(x^2-4))-Pi*x^2*csgn(I/(1+x))*csgn(I/(1+x)*(x^2-4))^2-Pi*x^ 
2*csgn(I*(x^2-4))*csgn(I/(1+x)*(x^2-4))^2+Pi*x^2*csgn(I/(1+x)*(x^2-4))^3-P 
i*csgn(I/(1+x))*csgn(I*(x^2-4))*csgn(I/(1+x)*(x^2-4))*exp(12*x)+Pi*csgn(I/ 
(1+x))*csgn(I/(1+x)*(x^2-4))^2*exp(12*x)+Pi*csgn(I*(x^2-4))*csgn(I/(1+x)*( 
x^2-4))^2*exp(12*x)-Pi*csgn(I/(1+x)*(x^2-4))^3*exp(12*x)-2*I*x^2*ln(1+x)+2 
*I*exp(12*x)*ln(1+x)-10*I)/(x^2-exp(12*x)))-ln(ln(x^2-4)-1/2*I*(Pi*csgn(I/ 
(1+x))*csgn(I*(x^2-4))*csgn(I/(1+x)*(x^2-4))-Pi*csgn(I/(1+x))*csgn(I/(1+x) 
*(x^2-4))^2-Pi*csgn(I*(x^2-4))*csgn(I/(1+x)*(x^2-4))^2+Pi*csgn(I/(1+x)*(x^ 
2-4))^3-2*I*ln(1+x)))
 

Fricas [B] (verification not implemented)

Leaf count of result is larger than twice the leaf count of optimal. 66 vs. \(2 (32) = 64\).

Time = 0.10 (sec) , antiderivative size = 66, normalized size of antiderivative = 2.06 \[ \int \frac {-20-10 x-5 x^2+\left (8 x+8 x^2-2 x^3-2 x^4+e^{12 x} \left (-48-48 x+12 x^2+12 x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )}{\left (-20-20 x+5 x^2+5 x^3\right ) \log \left (\frac {-4+x^2}{1+x}\right )+\left (4 x^2+4 x^3-x^4-x^5+e^{12 x} \left (-4-4 x+x^2+x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )} \, dx=\log \left (-x^{2} + e^{\left (12 \, x\right )}\right ) + \log \left (\frac {{\left (x^{2} - e^{\left (12 \, x\right )}\right )} \log \left (\frac {x^{2} - 4}{x + 1}\right ) - 5}{x^{2} - e^{\left (12 \, x\right )}}\right ) - \log \left (\log \left (\frac {x^{2} - 4}{x + 1}\right )\right ) \] Input:

integrate((((12*x^3+12*x^2-48*x-48)*exp(12*x)-2*x^4-2*x^3+8*x^2+8*x)*log(( 
x^2-4)/(1+x))^2-5*x^2-10*x-20)/(((x^3+x^2-4*x-4)*exp(12*x)-x^5-x^4+4*x^3+4 
*x^2)*log((x^2-4)/(1+x))^2+(5*x^3+5*x^2-20*x-20)*log((x^2-4)/(1+x))),x, al 
gorithm="fricas")
 

Output:

log(-x^2 + e^(12*x)) + log(((x^2 - e^(12*x))*log((x^2 - 4)/(x + 1)) - 5)/( 
x^2 - e^(12*x))) - log(log((x^2 - 4)/(x + 1)))
 

Sympy [A] (verification not implemented)

Time = 0.64 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.97 \[ \int \frac {-20-10 x-5 x^2+\left (8 x+8 x^2-2 x^3-2 x^4+e^{12 x} \left (-48-48 x+12 x^2+12 x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )}{\left (-20-20 x+5 x^2+5 x^3\right ) \log \left (\frac {-4+x^2}{1+x}\right )+\left (4 x^2+4 x^3-x^4-x^5+e^{12 x} \left (-4-4 x+x^2+x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )} \, dx=\log {\left (\frac {- x^{2} \log {\left (\frac {x^{2} - 4}{x + 1} \right )} + 5}{\log {\left (\frac {x^{2} - 4}{x + 1} \right )}} + e^{12 x} \right )} \] Input:

integrate((((12*x**3+12*x**2-48*x-48)*exp(12*x)-2*x**4-2*x**3+8*x**2+8*x)* 
ln((x**2-4)/(1+x))**2-5*x**2-10*x-20)/(((x**3+x**2-4*x-4)*exp(12*x)-x**5-x 
**4+4*x**3+4*x**2)*ln((x**2-4)/(1+x))**2+(5*x**3+5*x**2-20*x-20)*ln((x**2- 
4)/(1+x))),x)
 

Output:

log((-x**2*log((x**2 - 4)/(x + 1)) + 5)/log((x**2 - 4)/(x + 1)) + exp(12*x 
))
 

Maxima [B] (verification not implemented)

Leaf count of result is larger than twice the leaf count of optimal. 97 vs. \(2 (32) = 64\).

Time = 0.13 (sec) , antiderivative size = 97, normalized size of antiderivative = 3.03 \[ \int \frac {-20-10 x-5 x^2+\left (8 x+8 x^2-2 x^3-2 x^4+e^{12 x} \left (-48-48 x+12 x^2+12 x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )}{\left (-20-20 x+5 x^2+5 x^3\right ) \log \left (\frac {-4+x^2}{1+x}\right )+\left (4 x^2+4 x^3-x^4-x^5+e^{12 x} \left (-4-4 x+x^2+x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )} \, dx=\log \left (x + e^{\left (6 \, x\right )}\right ) + \log \left (-x + e^{\left (6 \, x\right )}\right ) + \log \left (\frac {{\left (x^{2} - e^{\left (12 \, x\right )}\right )} \log \left (x + 2\right ) - {\left (x^{2} - e^{\left (12 \, x\right )}\right )} \log \left (x + 1\right ) + {\left (x^{2} - e^{\left (12 \, x\right )}\right )} \log \left (x - 2\right ) - 5}{x^{2} - e^{\left (12 \, x\right )}}\right ) - \log \left (\log \left (x + 2\right ) - \log \left (x + 1\right ) + \log \left (x - 2\right )\right ) \] Input:

integrate((((12*x^3+12*x^2-48*x-48)*exp(12*x)-2*x^4-2*x^3+8*x^2+8*x)*log(( 
x^2-4)/(1+x))^2-5*x^2-10*x-20)/(((x^3+x^2-4*x-4)*exp(12*x)-x^5-x^4+4*x^3+4 
*x^2)*log((x^2-4)/(1+x))^2+(5*x^3+5*x^2-20*x-20)*log((x^2-4)/(1+x))),x, al 
gorithm="maxima")
 

Output:

log(x + e^(6*x)) + log(-x + e^(6*x)) + log(((x^2 - e^(12*x))*log(x + 2) - 
(x^2 - e^(12*x))*log(x + 1) + (x^2 - e^(12*x))*log(x - 2) - 5)/(x^2 - e^(1 
2*x))) - log(log(x + 2) - log(x + 1) + log(x - 2))
 

Giac [A] (verification not implemented)

Time = 0.58 (sec) , antiderivative size = 53, normalized size of antiderivative = 1.66 \[ \int \frac {-20-10 x-5 x^2+\left (8 x+8 x^2-2 x^3-2 x^4+e^{12 x} \left (-48-48 x+12 x^2+12 x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )}{\left (-20-20 x+5 x^2+5 x^3\right ) \log \left (\frac {-4+x^2}{1+x}\right )+\left (4 x^2+4 x^3-x^4-x^5+e^{12 x} \left (-4-4 x+x^2+x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )} \, dx=\log \left (-x^{2} \log \left (\frac {x^{2} - 4}{x + 1}\right ) + e^{\left (12 \, x\right )} \log \left (\frac {x^{2} - 4}{x + 1}\right ) + 5\right ) - \log \left (\log \left (\frac {x^{2} - 4}{x + 1}\right )\right ) \] Input:

integrate((((12*x^3+12*x^2-48*x-48)*exp(12*x)-2*x^4-2*x^3+8*x^2+8*x)*log(( 
x^2-4)/(1+x))^2-5*x^2-10*x-20)/(((x^3+x^2-4*x-4)*exp(12*x)-x^5-x^4+4*x^3+4 
*x^2)*log((x^2-4)/(1+x))^2+(5*x^3+5*x^2-20*x-20)*log((x^2-4)/(1+x))),x, al 
gorithm="giac")
 

Output:

log(-x^2*log((x^2 - 4)/(x + 1)) + e^(12*x)*log((x^2 - 4)/(x + 1)) + 5) - l 
og(log((x^2 - 4)/(x + 1)))
 

Mupad [F(-1)]

Timed out. \[ \int \frac {-20-10 x-5 x^2+\left (8 x+8 x^2-2 x^3-2 x^4+e^{12 x} \left (-48-48 x+12 x^2+12 x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )}{\left (-20-20 x+5 x^2+5 x^3\right ) \log \left (\frac {-4+x^2}{1+x}\right )+\left (4 x^2+4 x^3-x^4-x^5+e^{12 x} \left (-4-4 x+x^2+x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )} \, dx=\int \frac {10\,x+{\ln \left (\frac {x^2-4}{x+1}\right )}^2\,\left ({\mathrm {e}}^{12\,x}\,\left (-12\,x^3-12\,x^2+48\,x+48\right )-8\,x-8\,x^2+2\,x^3+2\,x^4\right )+5\,x^2+20}{\left ({\mathrm {e}}^{12\,x}\,\left (-x^3-x^2+4\,x+4\right )-4\,x^2-4\,x^3+x^4+x^5\right )\,{\ln \left (\frac {x^2-4}{x+1}\right )}^2+\left (-5\,x^3-5\,x^2+20\,x+20\right )\,\ln \left (\frac {x^2-4}{x+1}\right )} \,d x \] Input:

int((10*x + log((x^2 - 4)/(x + 1))^2*(exp(12*x)*(48*x - 12*x^2 - 12*x^3 + 
48) - 8*x - 8*x^2 + 2*x^3 + 2*x^4) + 5*x^2 + 20)/(log((x^2 - 4)/(x + 1))*( 
20*x - 5*x^2 - 5*x^3 + 20) + log((x^2 - 4)/(x + 1))^2*(exp(12*x)*(4*x - x^ 
2 - x^3 + 4) - 4*x^2 - 4*x^3 + x^4 + x^5)),x)
 

Output:

int((10*x + log((x^2 - 4)/(x + 1))^2*(exp(12*x)*(48*x - 12*x^2 - 12*x^3 + 
48) - 8*x - 8*x^2 + 2*x^3 + 2*x^4) + 5*x^2 + 20)/(log((x^2 - 4)/(x + 1))*( 
20*x - 5*x^2 - 5*x^3 + 20) + log((x^2 - 4)/(x + 1))^2*(exp(12*x)*(4*x - x^ 
2 - x^3 + 4) - 4*x^2 - 4*x^3 + x^4 + x^5)), x)
 

Reduce [B] (verification not implemented)

Time = 0.20 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.69 \[ \int \frac {-20-10 x-5 x^2+\left (8 x+8 x^2-2 x^3-2 x^4+e^{12 x} \left (-48-48 x+12 x^2+12 x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )}{\left (-20-20 x+5 x^2+5 x^3\right ) \log \left (\frac {-4+x^2}{1+x}\right )+\left (4 x^2+4 x^3-x^4-x^5+e^{12 x} \left (-4-4 x+x^2+x^3\right )\right ) \log ^2\left (\frac {-4+x^2}{1+x}\right )} \, dx=-\mathrm {log}\left (\mathrm {log}\left (\frac {x^{2}-4}{x +1}\right )\right )+\mathrm {log}\left (e^{12 x} \mathrm {log}\left (\frac {x^{2}-4}{x +1}\right )-\mathrm {log}\left (\frac {x^{2}-4}{x +1}\right ) x^{2}+5\right ) \] Input:

int((((12*x^3+12*x^2-48*x-48)*exp(12*x)-2*x^4-2*x^3+8*x^2+8*x)*log((x^2-4) 
/(1+x))^2-5*x^2-10*x-20)/(((x^3+x^2-4*x-4)*exp(12*x)-x^5-x^4+4*x^3+4*x^2)* 
log((x^2-4)/(1+x))^2+(5*x^3+5*x^2-20*x-20)*log((x^2-4)/(1+x))),x)
 

Output:

 - log(log((x**2 - 4)/(x + 1))) + log(e**(12*x)*log((x**2 - 4)/(x + 1)) - 
log((x**2 - 4)/(x + 1))*x**2 + 5)