Integrand size = 226, antiderivative size = 32 \begin {dmath*} \int \frac {14 x+36 x^2+28 x^3+6 x^4+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )}{64+28 x+68 x^2+28 x^3+4 x^4+\left (-64-28 x-68 x^2-28 x^3-4 x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log ^2\left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )} \, dx=\frac {x}{-2+\log \left (\frac {e^4}{x^2 \left (1+x^2\right ) \left (x-(4+x)^2\right )^2}\right )} \end {dmath*}
Time = 0.11 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.88 \begin {dmath*} \int \frac {14 x+36 x^2+28 x^3+6 x^4+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )}{64+28 x+68 x^2+28 x^3+4 x^4+\left (-64-28 x-68 x^2-28 x^3-4 x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log ^2\left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )} \, dx=\frac {x}{2+\log \left (\frac {1}{x^2 \left (1+x^2\right ) \left (16+7 x+x^2\right )^2}\right )} \end {dmath*}
Integrate[(14*x + 36*x^2 + 28*x^3 + 6*x^4 + (16 + 7*x + 17*x^2 + 7*x^3 + x ^4)*Log[E^4/(256*x^2 + 224*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8 )])/(64 + 28*x + 68*x^2 + 28*x^3 + 4*x^4 + (-64 - 28*x - 68*x^2 - 28*x^3 - 4*x^4)*Log[E^4/(256*x^2 + 224*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8)] + (16 + 7*x + 17*x^2 + 7*x^3 + x^4)*Log[E^4/(256*x^2 + 224*x^3 + 33 7*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8)]^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.
\(\displaystyle \int \frac {6 x^4+28 x^3+36 x^2+\left (x^4+7 x^3+17 x^2+7 x+16\right ) \log \left (\frac {e^4}{x^8+14 x^7+82 x^6+238 x^5+337 x^4+224 x^3+256 x^2}\right )+14 x}{4 x^4+28 x^3+68 x^2+\left (x^4+7 x^3+17 x^2+7 x+16\right ) \log ^2\left (\frac {e^4}{x^8+14 x^7+82 x^6+238 x^5+337 x^4+224 x^3+256 x^2}\right )+\left (-4 x^4-28 x^3-68 x^2-28 x-64\right ) \log \left (\frac {e^4}{x^8+14 x^7+82 x^6+238 x^5+337 x^4+224 x^3+256 x^2}\right )+28 x+64} \, dx\) |
\(\Big \downarrow \) 7239 |
\(\displaystyle \int \frac {2 \left (5 x^4+28 x^3+52 x^2+21 x+32\right )+\left (x^4+7 x^3+17 x^2+7 x+16\right ) \log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )}{\left (x^4+7 x^3+17 x^2+7 x+16\right ) \left (\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2\right )^2}dx\) |
\(\Big \downarrow \) 2463 |
\(\displaystyle \int \left (\frac {(15-7 x) \left (2 \left (5 x^4+28 x^3+52 x^2+21 x+32\right )+\left (x^4+7 x^3+17 x^2+7 x+16\right ) \log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )\right )}{274 \left (x^2+1\right ) \left (\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2\right )^2}+\frac {(7 x+34) \left (2 \left (5 x^4+28 x^3+52 x^2+21 x+32\right )+\left (x^4+7 x^3+17 x^2+7 x+16\right ) \log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )\right )}{274 \left (x^2+7 x+16\right ) \left (\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2\right )^2}\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle 8 \int \frac {1}{\left (\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2\right )^2}dx-\frac {128 i \int \frac {1}{\left (-2 x+i \sqrt {15}-7\right ) \left (\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2\right )^2}dx}{\sqrt {15}}-i \int \frac {1}{(i-x) \left (\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2\right )^2}dx-i \int \frac {1}{(x+i) \left (\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2\right )^2}dx-\frac {14}{15} \left (15+7 i \sqrt {15}\right ) \int \frac {1}{\left (2 x-i \sqrt {15}+7\right ) \left (\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2\right )^2}dx-\frac {14}{15} \left (15-7 i \sqrt {15}\right ) \int \frac {1}{\left (2 x+i \sqrt {15}+7\right ) \left (\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2\right )^2}dx-\frac {128 i \int \frac {1}{\left (2 x+i \sqrt {15}+7\right ) \left (\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2\right )^2}dx}{\sqrt {15}}+\int \frac {1}{\log \left (\frac {1}{x^2 \left (x^2+1\right ) \left (x^2+7 x+16\right )^2}\right )+2}dx\) |
Int[(14*x + 36*x^2 + 28*x^3 + 6*x^4 + (16 + 7*x + 17*x^2 + 7*x^3 + x^4)*Lo g[E^4/(256*x^2 + 224*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8)])/(6 4 + 28*x + 68*x^2 + 28*x^3 + 4*x^4 + (-64 - 28*x - 68*x^2 - 28*x^3 - 4*x^4 )*Log[E^4/(256*x^2 + 224*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8)] + (16 + 7*x + 17*x^2 + 7*x^3 + x^4)*Log[E^4/(256*x^2 + 224*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8)]^2),x]
3.5.71.3.1 Defintions of rubi rules used
Int[(u_.)*(Px_)^(p_), x_Symbol] :> With[{Qx = Factor[Px]}, Int[ExpandIntegr and[u, Qx^p, x], x] /; !SumQ[NonfreeFactors[Qx, x]]] /; PolyQ[Px, x] && Gt Q[Expon[Px, x], 2] && !BinomialQ[Px, x] && !TrinomialQ[Px, x] && ILtQ[p, 0]
Int[u_, x_Symbol] :> With[{v = SimplifyIntegrand[u, x]}, Int[v, x] /; Simpl erIntegrandQ[v, u, x]]
Time = 3.83 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.38
method | result | size |
parallelrisch | \(\frac {x}{\ln \left (\frac {{\mathrm e}^{4}}{x^{2} \left (x^{6}+14 x^{5}+82 x^{4}+238 x^{3}+337 x^{2}+224 x +256\right )}\right )-2}\) | \(44\) |
norman | \(\frac {x}{\ln \left (\frac {{\mathrm e}^{4}}{x^{8}+14 x^{7}+82 x^{6}+238 x^{5}+337 x^{4}+224 x^{3}+256 x^{2}}\right )-2}\) | \(47\) |
risch | \(\frac {x}{\ln \left (\frac {{\mathrm e}^{4}}{x^{8}+14 x^{7}+82 x^{6}+238 x^{5}+337 x^{4}+224 x^{3}+256 x^{2}}\right )-2}\) | \(47\) |
int(((x^4+7*x^3+17*x^2+7*x+16)*ln(exp(4)/(x^8+14*x^7+82*x^6+238*x^5+337*x^ 4+224*x^3+256*x^2))+6*x^4+28*x^3+36*x^2+14*x)/((x^4+7*x^3+17*x^2+7*x+16)*l n(exp(4)/(x^8+14*x^7+82*x^6+238*x^5+337*x^4+224*x^3+256*x^2))^2+(-4*x^4-28 *x^3-68*x^2-28*x-64)*ln(exp(4)/(x^8+14*x^7+82*x^6+238*x^5+337*x^4+224*x^3+ 256*x^2))+4*x^4+28*x^3+68*x^2+28*x+64),x,method=_RETURNVERBOSE)
Time = 0.27 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.44 \begin {dmath*} \int \frac {14 x+36 x^2+28 x^3+6 x^4+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )}{64+28 x+68 x^2+28 x^3+4 x^4+\left (-64-28 x-68 x^2-28 x^3-4 x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log ^2\left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )} \, dx=\frac {x}{\log \left (\frac {e^{4}}{x^{8} + 14 \, x^{7} + 82 \, x^{6} + 238 \, x^{5} + 337 \, x^{4} + 224 \, x^{3} + 256 \, x^{2}}\right ) - 2} \end {dmath*}
integrate(((x^4+7*x^3+17*x^2+7*x+16)*log(exp(4)/(x^8+14*x^7+82*x^6+238*x^5 +337*x^4+224*x^3+256*x^2))+6*x^4+28*x^3+36*x^2+14*x)/((x^4+7*x^3+17*x^2+7* x+16)*log(exp(4)/(x^8+14*x^7+82*x^6+238*x^5+337*x^4+224*x^3+256*x^2))^2+(- 4*x^4-28*x^3-68*x^2-28*x-64)*log(exp(4)/(x^8+14*x^7+82*x^6+238*x^5+337*x^4 +224*x^3+256*x^2))+4*x^4+28*x^3+68*x^2+28*x+64),x, algorithm=\
Time = 0.14 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.28 \begin {dmath*} \int \frac {14 x+36 x^2+28 x^3+6 x^4+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )}{64+28 x+68 x^2+28 x^3+4 x^4+\left (-64-28 x-68 x^2-28 x^3-4 x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log ^2\left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )} \, dx=\frac {x}{\log {\left (\frac {e^{4}}{x^{8} + 14 x^{7} + 82 x^{6} + 238 x^{5} + 337 x^{4} + 224 x^{3} + 256 x^{2}} \right )} - 2} \end {dmath*}
integrate(((x**4+7*x**3+17*x**2+7*x+16)*ln(exp(4)/(x**8+14*x**7+82*x**6+23 8*x**5+337*x**4+224*x**3+256*x**2))+6*x**4+28*x**3+36*x**2+14*x)/((x**4+7* x**3+17*x**2+7*x+16)*ln(exp(4)/(x**8+14*x**7+82*x**6+238*x**5+337*x**4+224 *x**3+256*x**2))**2+(-4*x**4-28*x**3-68*x**2-28*x-64)*ln(exp(4)/(x**8+14*x **7+82*x**6+238*x**5+337*x**4+224*x**3+256*x**2))+4*x**4+28*x**3+68*x**2+2 8*x+64),x)
Time = 0.34 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.88 \begin {dmath*} \int \frac {14 x+36 x^2+28 x^3+6 x^4+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )}{64+28 x+68 x^2+28 x^3+4 x^4+\left (-64-28 x-68 x^2-28 x^3-4 x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log ^2\left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )} \, dx=-\frac {x}{2 \, \log \left (x^{2} + 7 \, x + 16\right ) + \log \left (x^{2} + 1\right ) + 2 \, \log \left (x\right ) - 2} \end {dmath*}
integrate(((x^4+7*x^3+17*x^2+7*x+16)*log(exp(4)/(x^8+14*x^7+82*x^6+238*x^5 +337*x^4+224*x^3+256*x^2))+6*x^4+28*x^3+36*x^2+14*x)/((x^4+7*x^3+17*x^2+7* x+16)*log(exp(4)/(x^8+14*x^7+82*x^6+238*x^5+337*x^4+224*x^3+256*x^2))^2+(- 4*x^4-28*x^3-68*x^2-28*x-64)*log(exp(4)/(x^8+14*x^7+82*x^6+238*x^5+337*x^4 +224*x^3+256*x^2))+4*x^4+28*x^3+68*x^2+28*x+64),x, algorithm=\
Time = 0.41 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.31 \begin {dmath*} \int \frac {14 x+36 x^2+28 x^3+6 x^4+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )}{64+28 x+68 x^2+28 x^3+4 x^4+\left (-64-28 x-68 x^2-28 x^3-4 x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log ^2\left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )} \, dx=-\frac {x}{\log \left (x^{8} + 14 \, x^{7} + 82 \, x^{6} + 238 \, x^{5} + 337 \, x^{4} + 224 \, x^{3} + 256 \, x^{2}\right ) - 2} \end {dmath*}
integrate(((x^4+7*x^3+17*x^2+7*x+16)*log(exp(4)/(x^8+14*x^7+82*x^6+238*x^5 +337*x^4+224*x^3+256*x^2))+6*x^4+28*x^3+36*x^2+14*x)/((x^4+7*x^3+17*x^2+7* x+16)*log(exp(4)/(x^8+14*x^7+82*x^6+238*x^5+337*x^4+224*x^3+256*x^2))^2+(- 4*x^4-28*x^3-68*x^2-28*x-64)*log(exp(4)/(x^8+14*x^7+82*x^6+238*x^5+337*x^4 +224*x^3+256*x^2))+4*x^4+28*x^3+68*x^2+28*x+64),x, algorithm=\
Time = 16.21 (sec) , antiderivative size = 164, normalized size of antiderivative = 5.12 \begin {dmath*} \int \frac {14 x+36 x^2+28 x^3+6 x^4+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )}{64+28 x+68 x^2+28 x^3+4 x^4+\left (-64-28 x-68 x^2-28 x^3-4 x^4\right ) \log \left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )+\left (16+7 x+17 x^2+7 x^3+x^4\right ) \log ^2\left (\frac {e^4}{256 x^2+224 x^3+337 x^4+238 x^5+82 x^6+14 x^7+x^8}\right )} \, dx=\frac {7\,\ln \left (x^8+14\,x^7+82\,x^6+238\,x^5+337\,x^4+224\,x^3+256\,x^2\right )}{32\,\left (\ln \left (x^8+14\,x^7+82\,x^6+238\,x^5+337\,x^4+224\,x^3+256\,x^2\right )-2\right )}-\frac {7}{16\,\left (\ln \left (x^8+14\,x^7+82\,x^6+238\,x^5+337\,x^4+224\,x^3+256\,x^2\right )-2\right )}-\frac {x}{\ln \left (x^8+14\,x^7+82\,x^6+238\,x^5+337\,x^4+224\,x^3+256\,x^2\right )-2} \end {dmath*}
int((14*x + 36*x^2 + 28*x^3 + 6*x^4 + log(exp(4)/(256*x^2 + 224*x^3 + 337* x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8))*(7*x + 17*x^2 + 7*x^3 + x^4 + 16)) /(28*x - log(exp(4)/(256*x^2 + 224*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x ^7 + x^8))*(28*x + 68*x^2 + 28*x^3 + 4*x^4 + 64) + log(exp(4)/(256*x^2 + 2 24*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8))^2*(7*x + 17*x^2 + 7*x ^3 + x^4 + 16) + 68*x^2 + 28*x^3 + 4*x^4 + 64),x)
(7*log(256*x^2 + 224*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8))/(32 *(log(256*x^2 + 224*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8) - 2)) - 7/(16*(log(256*x^2 + 224*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^ 8) - 2)) - x/(log(256*x^2 + 224*x^3 + 337*x^4 + 238*x^5 + 82*x^6 + 14*x^7 + x^8) - 2)