3.2.21 \(\int \frac {3^{-1/x} \sqrt [x]{\log (x^4)} (-48+12 \log (x^4) \log (\frac {\log (x^4)}{3}))}{(625 x^2+50 x^2 \log (4)+x^2 \log ^2(4)) \log (x^4)+3^{-1/x} (-50 x^2-2 x^2 \log (4)) \log ^{1+\frac {1}{x}}(x^4)+3^{-2/x} x^2 \log ^{1+\frac {2}{x}}(x^4)} \, dx\) [121]

3.2.21.1 Optimal result
3.2.21.2 Mathematica [F]
3.2.21.3 Rubi [A] (verified)
3.2.21.4 Maple [A] (verified)
3.2.21.5 Fricas [A] (verification not implemented)
3.2.21.6 Sympy [A] (verification not implemented)
3.2.21.7 Maxima [A] (verification not implemented)
3.2.21.8 Giac [F]
3.2.21.9 Mupad [B] (verification not implemented)

3.2.21.1 Optimal result

Integrand size = 116, antiderivative size = 26 \[ \int \frac {3^{-1/x} \sqrt [x]{\log \left (x^4\right )} \left (-48+12 \log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )\right )}{\left (625 x^2+50 x^2 \log (4)+x^2 \log ^2(4)\right ) \log \left (x^4\right )+3^{-1/x} \left (-50 x^2-2 x^2 \log (4)\right ) \log ^{1+\frac {1}{x}}\left (x^4\right )+3^{-2/x} x^2 \log ^{1+\frac {2}{x}}\left (x^4\right )} \, dx=\frac {12}{-25-\log (4)+3^{-1/x} \sqrt [x]{\log \left (x^4\right )}} \]

output
12/(-25-2*ln(2)+exp(ln(1/3*ln(x^4))/x))
 
3.2.21.2 Mathematica [F]

\[ \int \frac {3^{-1/x} \sqrt [x]{\log \left (x^4\right )} \left (-48+12 \log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )\right )}{\left (625 x^2+50 x^2 \log (4)+x^2 \log ^2(4)\right ) \log \left (x^4\right )+3^{-1/x} \left (-50 x^2-2 x^2 \log (4)\right ) \log ^{1+\frac {1}{x}}\left (x^4\right )+3^{-2/x} x^2 \log ^{1+\frac {2}{x}}\left (x^4\right )} \, dx=\int \frac {3^{-1/x} \sqrt [x]{\log \left (x^4\right )} \left (-48+12 \log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )\right )}{\left (625 x^2+50 x^2 \log (4)+x^2 \log ^2(4)\right ) \log \left (x^4\right )+3^{-1/x} \left (-50 x^2-2 x^2 \log (4)\right ) \log ^{1+\frac {1}{x}}\left (x^4\right )+3^{-2/x} x^2 \log ^{1+\frac {2}{x}}\left (x^4\right )} \, dx \]

input
Integrate[(Log[x^4]^x^(-1)*(-48 + 12*Log[x^4]*Log[Log[x^4]/3]))/(3^x^(-1)* 
((625*x^2 + 50*x^2*Log[4] + x^2*Log[4]^2)*Log[x^4] + ((-50*x^2 - 2*x^2*Log 
[4])*Log[x^4]^(1 + x^(-1)))/3^x^(-1) + (x^2*Log[x^4]^(1 + 2/x))/3^(2/x))), 
x]
 
output
Integrate[(Log[x^4]^x^(-1)*(-48 + 12*Log[x^4]*Log[Log[x^4]/3]))/(3^x^(-1)* 
((625*x^2 + 50*x^2*Log[4] + x^2*Log[4]^2)*Log[x^4] + ((-50*x^2 - 2*x^2*Log 
[4])*Log[x^4]^(1 + x^(-1)))/3^x^(-1) + (x^2*Log[x^4]^(1 + 2/x))/3^(2/x))), 
 x]
 
3.2.21.3 Rubi [A] (verified)

Time = 1.58 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.27, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.043, Rules used = {7239, 27, 25, 7262, 17}

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.

\(\displaystyle \int \frac {3^{-1/x} \sqrt [x]{\log \left (x^4\right )} \left (12 \log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )-48\right )}{3^{-1/x} \left (-50 x^2-2 x^2 \log (4)\right ) \log ^{\frac {1}{x}+1}\left (x^4\right )+3^{-2/x} x^2 \log ^{\frac {2}{x}+1}\left (x^4\right )+\left (625 x^2+x^2 \log ^2(4)+50 x^2 \log (4)\right ) \log \left (x^4\right )} \, dx\)

\(\Big \downarrow \) 7239

\(\displaystyle \int \frac {4\ 3^{\frac {1}{x}+1} \log ^{\frac {1}{x}-1}\left (x^4\right ) \left (\log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )-4\right )}{x^2 \left (3^{\frac {1}{x}} (25+\log (4))-\sqrt [x]{\log \left (x^4\right )}\right )^2}dx\)

\(\Big \downarrow \) 27

\(\displaystyle 4 \int -\frac {3^{1+\frac {1}{x}} \log ^{\frac {1}{x}-1}\left (x^4\right ) \left (4-\log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )\right )}{x^2 \left (3^{\frac {1}{x}} (25+\log (4))-\sqrt [x]{\log \left (x^4\right )}\right )^2}dx\)

\(\Big \downarrow \) 25

\(\displaystyle -4 \int \frac {3^{1+\frac {1}{x}} \log ^{\frac {1}{x}-1}\left (x^4\right ) \left (4-\log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )\right )}{x^2 \left (3^{\frac {1}{x}} (25+\log (4))-\sqrt [x]{\log \left (x^4\right )}\right )^2}dx\)

\(\Big \downarrow \) 7262

\(\displaystyle 12 \int \frac {1}{\left (3^{\frac {1}{x}} (25+\log (4)) \log ^{-\frac {1}{x}}\left (x^4\right )-1\right )^2}d\left (3^{\frac {1}{x}} \log ^{-\frac {1}{x}}\left (x^4\right )\right )\)

\(\Big \downarrow \) 17

\(\displaystyle \frac {12}{(25+\log (4)) \left (1-3^{\frac {1}{x}} (25+\log (4)) \log ^{-\frac {1}{x}}\left (x^4\right )\right )}\)

input
Int[(Log[x^4]^x^(-1)*(-48 + 12*Log[x^4]*Log[Log[x^4]/3]))/(3^x^(-1)*((625* 
x^2 + 50*x^2*Log[4] + x^2*Log[4]^2)*Log[x^4] + ((-50*x^2 - 2*x^2*Log[4])*L 
og[x^4]^(1 + x^(-1)))/3^x^(-1) + (x^2*Log[x^4]^(1 + 2/x))/3^(2/x))),x]
 
output
12/((25 + Log[4])*(1 - (3^x^(-1)*(25 + Log[4]))/Log[x^4]^x^(-1)))
 

3.2.21.3.1 Defintions of rubi rules used

rule 17
Int[(c_.)*((a_.) + (b_.)*(x_))^(m_.), x_Symbol] :> Simp[c*((a + b*x)^(m + 1 
)/(b*(m + 1))), x] /; FreeQ[{a, b, c, m}, x] && NeQ[m, -1]
 

rule 25
Int[-(Fx_), x_Symbol] :> Simp[Identity[-1]   Int[Fx, x], x]
 

rule 27
Int[(a_)*(Fx_), x_Symbol] :> Simp[a   Int[Fx, x], x] /; FreeQ[a, x] &&  !Ma 
tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
 

rule 7239
Int[u_, x_Symbol] :> With[{v = SimplifyIntegrand[u, x]}, Int[v, x] /; Simpl 
erIntegrandQ[v, u, x]]
 

rule 7262
Int[(u_)*((a_.)*(v_)^(p_.) + (b_.)*(w_)^(q_.))^(m_.), x_Symbol] :> With[{c 
= Simplify[u/(p*w*D[v, x] - q*v*D[w, x])]}, Simp[c*p   Subst[Int[(b + a*x^p 
)^m, x], x, v*w^(m*q + 1)], x] /; FreeQ[c, x]] /; FreeQ[{a, b, m, p, q}, x] 
 && EqQ[p + q*(m*p + 1), 0] && IntegerQ[p] && IntegerQ[m]
 
3.2.21.4 Maple [A] (verified)

Time = 11.51 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.96

method result size
parallelrisch \(-\frac {12}{25+2 \ln \left (2\right )-{\mathrm e}^{\frac {\ln \left (\frac {\ln \left (x^{4}\right )}{3}\right )}{x}}}\) \(25\)

input
int((12*ln(x^4)*ln(1/3*ln(x^4))-48)*exp(ln(1/3*ln(x^4))/x)/(x^2*ln(x^4)*ex 
p(ln(1/3*ln(x^4))/x)^2+(-4*x^2*ln(2)-50*x^2)*ln(x^4)*exp(ln(1/3*ln(x^4))/x 
)+(4*x^2*ln(2)^2+100*x^2*ln(2)+625*x^2)*ln(x^4)),x,method=_RETURNVERBOSE)
 
output
-12/(25+2*ln(2)-exp(ln(1/3*ln(x^4))/x))
 
3.2.21.5 Fricas [A] (verification not implemented)

Time = 0.27 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.77 \[ \int \frac {3^{-1/x} \sqrt [x]{\log \left (x^4\right )} \left (-48+12 \log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )\right )}{\left (625 x^2+50 x^2 \log (4)+x^2 \log ^2(4)\right ) \log \left (x^4\right )+3^{-1/x} \left (-50 x^2-2 x^2 \log (4)\right ) \log ^{1+\frac {1}{x}}\left (x^4\right )+3^{-2/x} x^2 \log ^{1+\frac {2}{x}}\left (x^4\right )} \, dx=\frac {12}{\left (\frac {1}{3} \, \log \left (x^{4}\right )\right )^{\left (\frac {1}{x}\right )} - 2 \, \log \left (2\right ) - 25} \]

input
integrate((12*log(x^4)*log(1/3*log(x^4))-48)*exp(log(1/3*log(x^4))/x)/(x^2 
*log(x^4)*exp(log(1/3*log(x^4))/x)^2+(-4*x^2*log(2)-50*x^2)*log(x^4)*exp(l 
og(1/3*log(x^4))/x)+(4*x^2*log(2)^2+100*x^2*log(2)+625*x^2)*log(x^4)),x, a 
lgorithm=\
 
output
12/((1/3*log(x^4))^(1/x) - 2*log(2) - 25)
 
3.2.21.6 Sympy [A] (verification not implemented)

Time = 0.14 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.73 \[ \int \frac {3^{-1/x} \sqrt [x]{\log \left (x^4\right )} \left (-48+12 \log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )\right )}{\left (625 x^2+50 x^2 \log (4)+x^2 \log ^2(4)\right ) \log \left (x^4\right )+3^{-1/x} \left (-50 x^2-2 x^2 \log (4)\right ) \log ^{1+\frac {1}{x}}\left (x^4\right )+3^{-2/x} x^2 \log ^{1+\frac {2}{x}}\left (x^4\right )} \, dx=\frac {12}{e^{\frac {\log {\left (\frac {\log {\left (x^{4} \right )}}{3} \right )}}{x}} - 25 - 2 \log {\left (2 \right )}} \]

input
integrate((12*ln(x**4)*ln(1/3*ln(x**4))-48)*exp(ln(1/3*ln(x**4))/x)/(x**2* 
ln(x**4)*exp(ln(1/3*ln(x**4))/x)**2+(-4*x**2*ln(2)-50*x**2)*ln(x**4)*exp(l 
n(1/3*ln(x**4))/x)+(4*x**2*ln(2)**2+100*x**2*ln(2)+625*x**2)*ln(x**4)),x)
 
output
12/(exp(log(log(x**4)/3)/x) - 25 - 2*log(2))
 
3.2.21.7 Maxima [A] (verification not implemented)

Time = 0.35 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.54 \[ \int \frac {3^{-1/x} \sqrt [x]{\log \left (x^4\right )} \left (-48+12 \log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )\right )}{\left (625 x^2+50 x^2 \log (4)+x^2 \log ^2(4)\right ) \log \left (x^4\right )+3^{-1/x} \left (-50 x^2-2 x^2 \log (4)\right ) \log ^{1+\frac {1}{x}}\left (x^4\right )+3^{-2/x} x^2 \log ^{1+\frac {2}{x}}\left (x^4\right )} \, dx=-\frac {12 \cdot 3^{\left (\frac {1}{x}\right )}}{3^{\left (\frac {1}{x}\right )} {\left (2 \, \log \left (2\right ) + 25\right )} - e^{\left (\frac {2 \, \log \left (2\right )}{x} + \frac {\log \left (\log \left (x\right )\right )}{x}\right )}} \]

input
integrate((12*log(x^4)*log(1/3*log(x^4))-48)*exp(log(1/3*log(x^4))/x)/(x^2 
*log(x^4)*exp(log(1/3*log(x^4))/x)^2+(-4*x^2*log(2)-50*x^2)*log(x^4)*exp(l 
og(1/3*log(x^4))/x)+(4*x^2*log(2)^2+100*x^2*log(2)+625*x^2)*log(x^4)),x, a 
lgorithm=\
 
output
-12*3^(1/x)/(3^(1/x)*(2*log(2) + 25) - e^(2*log(2)/x + log(log(x))/x))
 
3.2.21.8 Giac [F]

\[ \int \frac {3^{-1/x} \sqrt [x]{\log \left (x^4\right )} \left (-48+12 \log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )\right )}{\left (625 x^2+50 x^2 \log (4)+x^2 \log ^2(4)\right ) \log \left (x^4\right )+3^{-1/x} \left (-50 x^2-2 x^2 \log (4)\right ) \log ^{1+\frac {1}{x}}\left (x^4\right )+3^{-2/x} x^2 \log ^{1+\frac {2}{x}}\left (x^4\right )} \, dx=\int { \frac {12 \, {\left (\log \left (x^{4}\right ) \log \left (\frac {1}{3} \, \log \left (x^{4}\right )\right ) - 4\right )} \left (\frac {1}{3} \, \log \left (x^{4}\right )\right )^{\left (\frac {1}{x}\right )}}{x^{2} \left (\frac {1}{3} \, \log \left (x^{4}\right )\right )^{\frac {2}{x}} \log \left (x^{4}\right ) - 2 \, {\left (2 \, x^{2} \log \left (2\right ) + 25 \, x^{2}\right )} \left (\frac {1}{3} \, \log \left (x^{4}\right )\right )^{\left (\frac {1}{x}\right )} \log \left (x^{4}\right ) + {\left (4 \, x^{2} \log \left (2\right )^{2} + 100 \, x^{2} \log \left (2\right ) + 625 \, x^{2}\right )} \log \left (x^{4}\right )} \,d x } \]

input
integrate((12*log(x^4)*log(1/3*log(x^4))-48)*exp(log(1/3*log(x^4))/x)/(x^2 
*log(x^4)*exp(log(1/3*log(x^4))/x)^2+(-4*x^2*log(2)-50*x^2)*log(x^4)*exp(l 
og(1/3*log(x^4))/x)+(4*x^2*log(2)^2+100*x^2*log(2)+625*x^2)*log(x^4)),x, a 
lgorithm=\
 
output
integrate(12*(log(x^4)*log(1/3*log(x^4)) - 4)*(1/3*log(x^4))^(1/x)/(x^2*(1 
/3*log(x^4))^(2/x)*log(x^4) - 2*(2*x^2*log(2) + 25*x^2)*(1/3*log(x^4))^(1/ 
x)*log(x^4) + (4*x^2*log(2)^2 + 100*x^2*log(2) + 625*x^2)*log(x^4)), x)
 
3.2.21.9 Mupad [B] (verification not implemented)

Time = 10.84 (sec) , antiderivative size = 63, normalized size of antiderivative = 2.42 \[ \int \frac {3^{-1/x} \sqrt [x]{\log \left (x^4\right )} \left (-48+12 \log \left (x^4\right ) \log \left (\frac {\log \left (x^4\right )}{3}\right )\right )}{\left (625 x^2+50 x^2 \log (4)+x^2 \log ^2(4)\right ) \log \left (x^4\right )+3^{-1/x} \left (-50 x^2-2 x^2 \log (4)\right ) \log ^{1+\frac {1}{x}}\left (x^4\right )+3^{-2/x} x^2 \log ^{1+\frac {2}{x}}\left (x^4\right )} \, dx=-\frac {24\,\mathrm {atanh}\left (\frac {\ln \left (16\right )-\frac {2\,{\ln \left (x^4\right )}^{1/x}}{3^{1/x}}+50}{\sqrt {\ln \left (16\right )-2\,\ln \left (4\right )}\,\sqrt {2\,\ln \left (4\right )+\ln \left (16\right )+100}}\right )}{\sqrt {\ln \left (16\right )-2\,\ln \left (4\right )}\,\sqrt {2\,\ln \left (4\right )+\ln \left (16\right )+100}} \]

input
int((exp(log(log(x^4)/3)/x)*(12*log(log(x^4)/3)*log(x^4) - 48))/(log(x^4)* 
(4*x^2*log(2)^2 + 100*x^2*log(2) + 625*x^2) + x^2*log(x^4)*exp((2*log(log( 
x^4)/3))/x) - log(x^4)*exp(log(log(x^4)/3)/x)*(4*x^2*log(2) + 50*x^2)),x)
 
output
-(24*atanh((log(16) - (2*log(x^4)^(1/x))/3^(1/x) + 50)/((log(16) - 2*log(4 
))^(1/2)*(2*log(4) + log(16) + 100)^(1/2))))/((log(16) - 2*log(4))^(1/2)*( 
2*log(4) + log(16) + 100)^(1/2))