Integrand size = 85, antiderivative size = 18 \[ \int \frac {4^{-x} \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{x^2}\right )^x \left (1-2 \log (x)+\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )\right )}{4 x^2+x^2 \log (7)+\log (x)} \, dx=4^{-x} \left (4+\log (7)+\frac {\log (x)}{x^2}\right )^x \]
\[ \int \frac {4^{-x} \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{x^2}\right )^x \left (1-2 \log (x)+\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )\right )}{4 x^2+x^2 \log (7)+\log (x)} \, dx=\int \frac {4^{-x} \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{x^2}\right )^x \left (1-2 \log (x)+\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )\right )}{4 x^2+x^2 \log (7)+\log (x)} \, dx \]
Integrate[(((4*x^2 + x^2*Log[7] + Log[x])/x^2)^x*(1 - 2*Log[x] + (4*x^2 + x^2*Log[7] + Log[x])*Log[(4*x^2 + x^2*Log[7] + Log[x])/(4*x^2)]))/(4^x*(4* x^2 + x^2*Log[7] + Log[x])),x]
Integrate[(((4*x^2 + x^2*Log[7] + Log[x])/x^2)^x*(1 - 2*Log[x] + (4*x^2 + x^2*Log[7] + Log[x])*Log[(4*x^2 + x^2*Log[7] + Log[x])/(4*x^2)]))/(4^x*(4* x^2 + x^2*Log[7] + Log[x])), 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.
\(\displaystyle \int \frac {4^{-x} \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{x^2}\right )^x \left (\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )-2 \log (x)+1\right )}{4 x^2+x^2 \log (7)+\log (x)} \, dx\) |
\(\Big \downarrow \) 6 |
\(\displaystyle \int \frac {4^{-x} \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{x^2}\right )^x \left (\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )-2 \log (x)+1\right )}{x^2 (4+\log (7))+\log (x)}dx\) |
\(\Big \downarrow \) 7292 |
\(\displaystyle \int \frac {4^{-x} \left (\frac {\log (x)}{x^2}+4 \left (1+\frac {\log (7)}{4}\right )\right )^x \left (\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )-2 \log (x)+1\right )}{x^2 (4+\log (7))+\log (x)}dx\) |
\(\Big \downarrow \) 7293 |
\(\displaystyle \int \left (4^{-x} \log \left (\frac {1}{4} \left (\frac {\log (x)}{x^2}+4 \left (1+\frac {\log (7)}{4}\right )\right )\right ) \left (\frac {\log (x)}{x^2}+4 \left (1+\frac {\log (7)}{4}\right )\right )^x+\frac {4^{-x} (1-2 \log (x)) \left (\frac {\log (x)}{x^2}+4 \left (1+\frac {\log (7)}{4}\right )\right )^x}{4 x^2 \left (1+\frac {\log (7)}{4}\right )+\log (x)}\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle -\int 2^{1-2 x} \left (\frac {\log (x)}{x^2}+4 \left (1+\frac {\log (7)}{4}\right )\right )^xdx+\int \frac {4^{-x} \left (\frac {\log (x)}{x^2}+4 \left (1+\frac {\log (7)}{4}\right )\right )^x}{4 \left (1+\frac {\log (7)}{4}\right ) x^2+\log (x)}dx+(4+\log (7)) \int \frac {2^{1-2 x} x^2 \left (\frac {\log (x)}{x^2}+4 \left (1+\frac {\log (7)}{4}\right )\right )^x}{4 \left (1+\frac {\log (7)}{4}\right ) x^2+\log (x)}dx+\int 4^{-x} \left (\frac {\log (x)}{x^2}+4 \left (1+\frac {\log (7)}{4}\right )\right )^x \log \left (\frac {1}{4} \left (\frac {\log (x)}{x^2}+4 \left (1+\frac {\log (7)}{4}\right )\right )\right )dx\) |
Int[(((4*x^2 + x^2*Log[7] + Log[x])/x^2)^x*(1 - 2*Log[x] + (4*x^2 + x^2*Lo g[7] + Log[x])*Log[(4*x^2 + x^2*Log[7] + Log[x])/(4*x^2)]))/(4^x*(4*x^2 + x^2*Log[7] + Log[x])),x]
3.14.59.3.1 Defintions of rubi rules used
Int[(u_.)*((v_.) + (a_.)*(Fx_) + (b_.)*(Fx_))^(p_.), x_Symbol] :> Int[u*(v + (a + b)*Fx)^p, x] /; FreeQ[{a, b}, x] && !FreeQ[Fx, x]
Time = 3.98 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.33
method | result | size |
parallelrisch | \({\mathrm e}^{x \ln \left (\frac {\ln \left (x \right )+x^{2} \ln \left (7\right )+4 x^{2}}{4 x^{2}}\right )}\) | \(24\) |
risch | \(x^{-2 x} \left (\frac {1}{4}\right )^{x} \left (\ln \left (x \right )+x^{2} \ln \left (7\right )+4 x^{2}\right )^{x} {\mathrm e}^{\frac {i \pi x \left (\operatorname {csgn}\left (i x^{2}\right )^{3}-2 \,\operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i x^{2}\right )^{2}+\operatorname {csgn}\left (i x \right )^{2} \operatorname {csgn}\left (i x^{2}\right )-{\operatorname {csgn}\left (\frac {i \left (\ln \left (x \right )+x^{2} \ln \left (7\right )+4 x^{2}\right )}{x^{2}}\right )}^{3}+{\operatorname {csgn}\left (\frac {i \left (\ln \left (x \right )+x^{2} \ln \left (7\right )+4 x^{2}\right )}{x^{2}}\right )}^{2} \operatorname {csgn}\left (\frac {i}{x^{2}}\right )+{\operatorname {csgn}\left (\frac {i \left (\ln \left (x \right )+x^{2} \ln \left (7\right )+4 x^{2}\right )}{x^{2}}\right )}^{2} \operatorname {csgn}\left (i \left (\ln \left (x \right )+x^{2} \ln \left (7\right )+4 x^{2}\right )\right )-\operatorname {csgn}\left (\frac {i \left (\ln \left (x \right )+x^{2} \ln \left (7\right )+4 x^{2}\right )}{x^{2}}\right ) \operatorname {csgn}\left (\frac {i}{x^{2}}\right ) \operatorname {csgn}\left (i \left (\ln \left (x \right )+x^{2} \ln \left (7\right )+4 x^{2}\right )\right )\right )}{2}}\) | \(219\) |
int(((ln(x)+x^2*ln(7)+4*x^2)*ln(1/4*(ln(x)+x^2*ln(7)+4*x^2)/x^2)-2*ln(x)+1 )*exp(x*ln(1/4*(ln(x)+x^2*ln(7)+4*x^2)/x^2))/(ln(x)+x^2*ln(7)+4*x^2),x,met hod=_RETURNVERBOSE)
Time = 0.26 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.17 \[ \int \frac {4^{-x} \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{x^2}\right )^x \left (1-2 \log (x)+\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )\right )}{4 x^2+x^2 \log (7)+\log (x)} \, dx=\left (\frac {x^{2} \log \left (7\right ) + 4 \, x^{2} + \log \left (x\right )}{4 \, x^{2}}\right )^{x} \]
integrate(((log(x)+x^2*log(7)+4*x^2)*log(1/4*(log(x)+x^2*log(7)+4*x^2)/x^2 )-2*log(x)+1)*exp(x*log(1/4*(log(x)+x^2*log(7)+4*x^2)/x^2))/(log(x)+x^2*lo g(7)+4*x^2),x, algorithm=\
Time = 0.67 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.33 \[ \int \frac {4^{-x} \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{x^2}\right )^x \left (1-2 \log (x)+\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )\right )}{4 x^2+x^2 \log (7)+\log (x)} \, dx=e^{x \log {\left (\frac {\frac {x^{2} \log {\left (7 \right )}}{4} + x^{2} + \frac {\log {\left (x \right )}}{4}}{x^{2}} \right )}} \]
integrate(((ln(x)+x**2*ln(7)+4*x**2)*ln(1/4*(ln(x)+x**2*ln(7)+4*x**2)/x**2 )-2*ln(x)+1)*exp(x*ln(1/4*(ln(x)+x**2*ln(7)+4*x**2)/x**2))/(ln(x)+x**2*ln( 7)+4*x**2),x)
Time = 0.31 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.44 \[ \int \frac {4^{-x} \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{x^2}\right )^x \left (1-2 \log (x)+\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )\right )}{4 x^2+x^2 \log (7)+\log (x)} \, dx=e^{\left (-2 \, x \log \left (2\right ) + x \log \left (x^{2} {\left (\log \left (7\right ) + 4\right )} + \log \left (x\right )\right ) - 2 \, x \log \left (x\right )\right )} \]
integrate(((log(x)+x^2*log(7)+4*x^2)*log(1/4*(log(x)+x^2*log(7)+4*x^2)/x^2 )-2*log(x)+1)*exp(x*log(1/4*(log(x)+x^2*log(7)+4*x^2)/x^2))/(log(x)+x^2*lo g(7)+4*x^2),x, algorithm=\
\[ \int \frac {4^{-x} \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{x^2}\right )^x \left (1-2 \log (x)+\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )\right )}{4 x^2+x^2 \log (7)+\log (x)} \, dx=\int { \frac {{\left ({\left (x^{2} \log \left (7\right ) + 4 \, x^{2} + \log \left (x\right )\right )} \log \left (\frac {x^{2} \log \left (7\right ) + 4 \, x^{2} + \log \left (x\right )}{4 \, x^{2}}\right ) - 2 \, \log \left (x\right ) + 1\right )} \left (\frac {x^{2} \log \left (7\right ) + 4 \, x^{2} + \log \left (x\right )}{4 \, x^{2}}\right )^{x}}{x^{2} \log \left (7\right ) + 4 \, x^{2} + \log \left (x\right )} \,d x } \]
integrate(((log(x)+x^2*log(7)+4*x^2)*log(1/4*(log(x)+x^2*log(7)+4*x^2)/x^2 )-2*log(x)+1)*exp(x*log(1/4*(log(x)+x^2*log(7)+4*x^2)/x^2))/(log(x)+x^2*lo g(7)+4*x^2),x, algorithm=\
integrate(((x^2*log(7) + 4*x^2 + log(x))*log(1/4*(x^2*log(7) + 4*x^2 + log (x))/x^2) - 2*log(x) + 1)*(1/4*(x^2*log(7) + 4*x^2 + log(x))/x^2)^x/(x^2*l og(7) + 4*x^2 + log(x)), x)
Time = 10.13 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.61 \[ \int \frac {4^{-x} \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{x^2}\right )^x \left (1-2 \log (x)+\left (4 x^2+x^2 \log (7)+\log (x)\right ) \log \left (\frac {4 x^2+x^2 \log (7)+\log (x)}{4 x^2}\right )\right )}{4 x^2+x^2 \log (7)+\log (x)} \, dx=\frac {{\left (\frac {1}{x^2}\right )}^x\,{\left (\ln \left (x\right )+x^2\,\ln \left (7\right )+4\,x^2\right )}^x}{2^{2\,x}} \]