Integrand size = 98, antiderivative size = 20 \[ \int \frac {-4 x+8 e^{8-2 x} x+\left (-8+e^{8-2 x}+x\right ) \log \left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )}{\left (-8+e^{8-2 x}+x\right ) \log ^3\left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )} \, dx=\frac {\log \left (e^x\right )}{\log ^2\left (\left (-8+e^{8-2 x}+x\right )^2\right )} \]
[Out]
\[ \int \frac {-4 x+8 e^{8-2 x} x+\left (-8+e^{8-2 x}+x\right ) \log \left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )}{\left (-8+e^{8-2 x}+x\right ) \log ^3\left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )} \, dx=\int \frac {-4 x+8 e^{8-2 x} x+\left (-8+e^{8-2 x}+x\right ) \log \left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )}{\left (-8+e^{8-2 x}+x\right ) \log ^3\left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )} \, dx \]
[In]
[Out]
Rubi steps \begin{align*} \text {integral}& = \int \frac {4 x-8 e^{8-2 x} x-\left (-8+e^{8-2 x}+x\right ) \log \left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )}{\left (8-e^{8-2 x}-x\right ) \log ^3\left (e^{-4 x} \left (e^8-8 e^{2 x}+e^{2 x} x\right )^2\right )} \, dx \\ & = \int \left (\frac {4 e^8 x (-15+2 x)}{(-8+x) \left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}+\frac {-4 x-8 \log \left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )+x \log \left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}{(-8+x) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}\right ) \, dx \\ & = \left (4 e^8\right ) \int \frac {x (-15+2 x)}{(-8+x) \left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\int \frac {-4 x-8 \log \left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )+x \log \left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}{(-8+x) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx \\ & = \left (4 e^8\right ) \int \left (\frac {1}{\left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}+\frac {8}{(-8+x) \left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}+\frac {2 x}{\left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}\right ) \, dx+\int \frac {-\frac {4 x}{-8+x}+\log \left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}{\log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx \\ & = \left (4 e^8\right ) \int \frac {1}{\left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\left (8 e^8\right ) \int \frac {x}{\left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\left (32 e^8\right ) \int \frac {1}{(-8+x) \left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\int \left (-\frac {4 x}{(-8+x) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}+\frac {1}{\log ^2\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}\right ) \, dx \\ & = -\left (4 \int \frac {x}{(-8+x) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx\right )+\left (4 e^8\right ) \int \frac {1}{\left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\left (8 e^8\right ) \int \frac {x}{\left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\left (32 e^8\right ) \int \frac {1}{(-8+x) \left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\int \frac {1}{\log ^2\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx \\ & = -\left (4 \int \left (\frac {1}{\log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}+\frac {8}{(-8+x) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )}\right ) \, dx\right )+\left (4 e^8\right ) \int \frac {1}{\left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\left (8 e^8\right ) \int \frac {x}{\left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\left (32 e^8\right ) \int \frac {1}{(-8+x) \left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\int \frac {1}{\log ^2\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx \\ & = -\left (4 \int \frac {1}{\log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx\right )-32 \int \frac {1}{(-8+x) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\left (4 e^8\right ) \int \frac {1}{\left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\left (8 e^8\right ) \int \frac {x}{\left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\left (32 e^8\right ) \int \frac {1}{(-8+x) \left (e^8-8 e^{2 x}+e^{2 x} x\right ) \log ^3\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx+\int \frac {1}{\log ^2\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \, dx \\ \end{align*}
Time = 0.45 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.30 \[ \int \frac {-4 x+8 e^{8-2 x} x+\left (-8+e^{8-2 x}+x\right ) \log \left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )}{\left (-8+e^{8-2 x}+x\right ) \log ^3\left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )} \, dx=\frac {x}{\log ^2\left (e^{-4 x} \left (e^8+e^{2 x} (-8+x)\right )^2\right )} \]
[In]
[Out]
Time = 0.18 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.80
method | result | size |
parallelrisch | \(\frac {x}{\ln \left ({\mathrm e}^{-4 x +16}+\left (2 x -16\right ) {\mathrm e}^{-2 x +8}+x^{2}-16 x +64\right )^{2}}\) | \(36\) |
risch | \(-\frac {4 x}{{\left (\pi {\operatorname {csgn}\left (i \left ({\mathrm e}^{-2 x +8}-8+x \right )\right )}^{2} \operatorname {csgn}\left (i \left ({\mathrm e}^{-2 x +8}-8+x \right )^{2}\right )-2 \pi \,\operatorname {csgn}\left (i \left ({\mathrm e}^{-2 x +8}-8+x \right )\right ) {\operatorname {csgn}\left (i \left ({\mathrm e}^{-2 x +8}-8+x \right )^{2}\right )}^{2}+\pi {\operatorname {csgn}\left (i \left ({\mathrm e}^{-2 x +8}-8+x \right )^{2}\right )}^{3}+4 i \ln \left ({\mathrm e}^{-2 x +8}-8+x \right )\right )}^{2}}\) | \(104\) |
[In]
[Out]
none
Time = 0.23 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.50 \[ \int \frac {-4 x+8 e^{8-2 x} x+\left (-8+e^{8-2 x}+x\right ) \log \left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )}{\left (-8+e^{8-2 x}+x\right ) \log ^3\left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )} \, dx=\frac {x}{\log \left (x^{2} + 2 \, {\left (x - 8\right )} e^{\left (-2 \, x + 8\right )} - 16 \, x + e^{\left (-4 \, x + 16\right )} + 64\right )^{2}} \]
[In]
[Out]
Time = 0.12 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.55 \[ \int \frac {-4 x+8 e^{8-2 x} x+\left (-8+e^{8-2 x}+x\right ) \log \left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )}{\left (-8+e^{8-2 x}+x\right ) \log ^3\left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )} \, dx=\frac {x}{\log {\left (x^{2} - 16 x + \left (2 x - 16\right ) e^{8 - 2 x} + e^{16 - 4 x} + 64 \right )}^{2}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 40 vs. \(2 (18) = 36\).
Time = 0.30 (sec) , antiderivative size = 40, normalized size of antiderivative = 2.00 \[ \int \frac {-4 x+8 e^{8-2 x} x+\left (-8+e^{8-2 x}+x\right ) \log \left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )}{\left (-8+e^{8-2 x}+x\right ) \log ^3\left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )} \, dx=\frac {x}{4 \, {\left (4 \, x^{2} - 4 \, x \log \left ({\left (x - 8\right )} e^{\left (2 \, x\right )} + e^{8}\right ) + \log \left ({\left (x - 8\right )} e^{\left (2 \, x\right )} + e^{8}\right )^{2}\right )}} \]
[In]
[Out]
none
Time = 0.92 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.80 \[ \int \frac {-4 x+8 e^{8-2 x} x+\left (-8+e^{8-2 x}+x\right ) \log \left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )}{\left (-8+e^{8-2 x}+x\right ) \log ^3\left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )} \, dx=\frac {x}{\log \left (x^{2} + 2 \, x e^{\left (-2 \, x + 8\right )} - 16 \, x - 16 \, e^{\left (-2 \, x + 8\right )} + e^{\left (-4 \, x + 16\right )} + 64\right )^{2}} \]
[In]
[Out]
Time = 0.50 (sec) , antiderivative size = 297, normalized size of antiderivative = 14.85 \[ \int \frac {-4 x+8 e^{8-2 x} x+\left (-8+e^{8-2 x}+x\right ) \log \left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )}{\left (-8+e^{8-2 x}+x\right ) \log ^3\left (64+e^{16-4 x}-16 x+x^2+e^{8-2 x} (-16+2 x)\right )} \, dx=\frac {\frac {x}{8}-\frac {7}{8}}{2\,{\mathrm {e}}^{8-2\,x}-1}-\frac {\frac {x+{\mathrm {e}}^{8-2\,x}-8}{4\,\left (2\,{\mathrm {e}}^{8-2\,x}-1\right )}-\frac {\ln \left ({\mathrm {e}}^{-4\,x}\,{\mathrm {e}}^{16}-16\,x+x^2+{\mathrm {e}}^{-2\,x}\,{\mathrm {e}}^8\,\left (2\,x-16\right )+64\right )\,\left (x+{\mathrm {e}}^{8-2\,x}-8\right )\,\left (28\,{\mathrm {e}}^{8-2\,x}-4\,x\,{\mathrm {e}}^{8-2\,x}+1\right )}{8\,{\left (2\,{\mathrm {e}}^{8-2\,x}-1\right )}^3}}{\ln \left ({\mathrm {e}}^{-4\,x}\,{\mathrm {e}}^{16}-16\,x+x^2+{\mathrm {e}}^{-2\,x}\,{\mathrm {e}}^8\,\left (2\,x-16\right )+64\right )}+\frac {\frac {x^2}{4}-\frac {15\,x}{4}+\frac {225}{16}}{6\,{\mathrm {e}}^{8-2\,x}-12\,{\mathrm {e}}^{16-4\,x}+8\,{\mathrm {e}}^{24-6\,x}-1}+\frac {\frac {x^2}{4}-\frac {7\,x}{2}+\frac {195}{16}}{4\,{\mathrm {e}}^{16-4\,x}-4\,{\mathrm {e}}^{8-2\,x}+1}+\frac {x+\frac {\ln \left ({\mathrm {e}}^{-4\,x}\,{\mathrm {e}}^{16}-16\,x+x^2+{\mathrm {e}}^{-2\,x}\,{\mathrm {e}}^8\,\left (2\,x-16\right )+64\right )\,\left (x+{\mathrm {e}}^{8-2\,x}-8\right )}{4\,\left (2\,{\mathrm {e}}^{8-2\,x}-1\right )}}{{\ln \left ({\mathrm {e}}^{-4\,x}\,{\mathrm {e}}^{16}-16\,x+x^2+{\mathrm {e}}^{-2\,x}\,{\mathrm {e}}^8\,\left (2\,x-16\right )+64\right )}^2} \]
[In]
[Out]