Integrand size = 79, antiderivative size = 31 \[ \int \frac {16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \left (e^x+x+\left (-5+e^x (-5+x)+x\right ) \log \left (\frac {5-x}{16}\right )\right )}{-5+x} \, dx=e^{4^{-e^x-x} \left (1+\frac {1-x}{4}\right )^{e^x+x}} \]
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\[ \int \frac {16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \left (e^x+x+\left (-5+e^x (-5+x)+x\right ) \log \left (\frac {5-x}{16}\right )\right )}{-5+x} \, dx=\int \frac {16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \left (e^x+x+\left (-5+e^x (-5+x)+x\right ) \log \left (\frac {5-x}{16}\right )\right )}{-5+x} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (-16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}+x} (5-x)^{-1+e^x+x} \left (1-5 \log \left (\frac {5-x}{16}\right )+x \log \left (\frac {5-x}{16}\right )\right )-16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{-1+e^x+x} \left (x-5 \log \left (\frac {5-x}{16}\right )+x \log \left (\frac {5-x}{16}\right )\right )\right ) \, dx \\ & = -\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}+x} (5-x)^{-1+e^x+x} \left (1-5 \log \left (\frac {5-x}{16}\right )+x \log \left (\frac {5-x}{16}\right )\right ) \, dx-\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{-1+e^x+x} \left (x-5 \log \left (\frac {5-x}{16}\right )+x \log \left (\frac {5-x}{16}\right )\right ) \, dx \\ & = -\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}+x} (5-x)^{-1+e^x+x} \left (1+(-5+x) \log \left (\frac {5-x}{16}\right )\right ) \, dx-\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{-1+e^x+x} \left (x+(-5+x) \log \left (\frac {5-x}{16}\right )\right ) \, dx \\ & = -\int \left (16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{-1+e^x+x} x-16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \log \left (\frac {5}{16}-\frac {x}{16}\right )\right ) \, dx-\int \left (16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}+x} (5-x)^{-1+e^x+x}-16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}+x} (5-x)^{e^x+x} \log \left (\frac {5}{16}-\frac {x}{16}\right )\right ) \, dx \\ & = -\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}+x} (5-x)^{-1+e^x+x} \, dx-\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{-1+e^x+x} x \, dx+\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \log \left (\frac {5}{16}-\frac {x}{16}\right ) \, dx+\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}+x} (5-x)^{e^x+x} \log \left (\frac {5}{16}-\frac {x}{16}\right ) \, dx \\ & = \log \left (\frac {5}{16}-\frac {x}{16}\right ) \int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \, dx+\log \left (\frac {5}{16}-\frac {x}{16}\right ) \int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}+x} (5-x)^{e^x+x} \, dx-\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}+x} (5-x)^{-1+e^x+x} \, dx-\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{-1+e^x+x} x \, dx-\int \frac {\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \, dx}{-5+x} \, dx-\int \frac {\int 16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}+x} (5-x)^{e^x+x} \, dx}{-5+x} \, dx \\ \end{align*}
Time = 10.26 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.81 \[ \int \frac {16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \left (e^x+x+\left (-5+e^x (-5+x)+x\right ) \log \left (\frac {5-x}{16}\right )\right )}{-5+x} \, dx=e^{16^{-e^x-x} (5-x)^{e^x+x}} \]
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Time = 0.73 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.39
method | result | size |
risch | \({\mathrm e}^{\left (\frac {5}{16}-\frac {x}{16}\right )^{{\mathrm e}^{x}+x}}\) | \(12\) |
parallelrisch | \({\mathrm e}^{{\mathrm e}^{\left ({\mathrm e}^{x}+x \right ) \ln \left (\frac {5}{16}-\frac {x}{16}\right )}}\) | \(14\) |
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Time = 0.27 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.35 \[ \int \frac {16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \left (e^x+x+\left (-5+e^x (-5+x)+x\right ) \log \left (\frac {5-x}{16}\right )\right )}{-5+x} \, dx=e^{\left ({\left (-\frac {1}{16} \, x + \frac {5}{16}\right )}^{x + e^{x}}\right )} \]
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Time = 13.47 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.48 \[ \int \frac {16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \left (e^x+x+\left (-5+e^x (-5+x)+x\right ) \log \left (\frac {5-x}{16}\right )\right )}{-5+x} \, dx=e^{e^{\left (x + e^{x}\right ) \log {\left (\frac {5}{16} - \frac {x}{16} \right )}}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 31 vs. \(2 (11) = 22\).
Time = 0.44 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.00 \[ \int \frac {16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \left (e^x+x+\left (-5+e^x (-5+x)+x\right ) \log \left (\frac {5-x}{16}\right )\right )}{-5+x} \, dx=e^{\left (e^{\left (-4 \, x \log \left (2\right ) - 4 \, e^{x} \log \left (2\right ) + x \log \left (-x + 5\right ) + e^{x} \log \left (-x + 5\right )\right )}\right )} \]
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\[ \int \frac {16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \left (e^x+x+\left (-5+e^x (-5+x)+x\right ) \log \left (\frac {5-x}{16}\right )\right )}{-5+x} \, dx=\int { \frac {{\left ({\left ({\left (x - 5\right )} e^{x} + x - 5\right )} \log \left (-\frac {1}{16} \, x + \frac {5}{16}\right ) + x + e^{x}\right )} {\left (-\frac {1}{16} \, x + \frac {5}{16}\right )}^{x + e^{x}} e^{\left ({\left (-\frac {1}{16} \, x + \frac {5}{16}\right )}^{x + e^{x}}\right )}}{x - 5} \,d x } \]
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Time = 11.00 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.35 \[ \int \frac {16^{-e^x-x} e^{16^{-e^x-x} (5-x)^{e^x+x}} (5-x)^{e^x+x} \left (e^x+x+\left (-5+e^x (-5+x)+x\right ) \log \left (\frac {5-x}{16}\right )\right )}{-5+x} \, dx={\mathrm {e}}^{{\left (\frac {5}{16}-\frac {x}{16}\right )}^{x+{\mathrm {e}}^x}} \]
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