Integrand size = 125, antiderivative size = 26 \[ \int e^{-e^{x^3}} \left (e^{20 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )+e^{40 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )\right ) \, dx=\left (1+e^{20 e^{-e^{x^3}+(20-x)^2+x}}\right )^2 \]
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Time = 0.86 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.96, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.024, Rules used = {6820, 12, 6818} \[ \int e^{-e^{x^3}} \left (e^{20 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )+e^{40 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )\right ) \, dx=\left (e^{20 e^{-e^{x^3}+x^2-39 x+400}}+1\right )^2 \]
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Rule 12
Rule 6818
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \int 40 e^{400-e^{x^3}+20 e^{400-e^{x^3}-39 x+x^2}-39 x+x^2} \left (1+e^{20 e^{400-e^{x^3}-39 x+x^2}}\right ) \left (-39+2 x-3 e^{x^3} x^2\right ) \, dx \\ & = 40 \int e^{400-e^{x^3}+20 e^{400-e^{x^3}-39 x+x^2}-39 x+x^2} \left (1+e^{20 e^{400-e^{x^3}-39 x+x^2}}\right ) \left (-39+2 x-3 e^{x^3} x^2\right ) \, dx \\ & = \left (1+e^{20 e^{400-e^{x^3}-39 x+x^2}}\right )^2 \\ \end{align*}
Time = 1.08 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.96 \[ \int e^{-e^{x^3}} \left (e^{20 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )+e^{40 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )\right ) \, dx=\left (1+e^{20 e^{400-e^{x^3}-39 x+x^2}}\right )^2 \]
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Time = 0.83 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.54
method | result | size |
risch | \({\mathrm e}^{40 \,{\mathrm e}^{x^{2}-39 x +400-{\mathrm e}^{x^{3}}}}+2 \,{\mathrm e}^{20 \,{\mathrm e}^{x^{2}-39 x +400-{\mathrm e}^{x^{3}}}}\) | \(40\) |
parallelrisch | \({\mathrm e}^{40 \,{\mathrm e}^{x^{2}-39 x +400-{\mathrm e}^{x^{3}}}}+2 \,{\mathrm e}^{20 \,{\mathrm e}^{x^{2}-39 x +400} {\mathrm e}^{-{\mathrm e}^{x^{3}}}}\) | \(44\) |
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Time = 0.37 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.50 \[ \int e^{-e^{x^3}} \left (e^{20 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )+e^{40 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )\right ) \, dx=e^{\left (40 \, e^{\left (x^{2} - 39 \, x - e^{\left (x^{3}\right )} + 400\right )}\right )} + 2 \, e^{\left (20 \, e^{\left (x^{2} - 39 \, x - e^{\left (x^{3}\right )} + 400\right )}\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 41 vs. \(2 (20) = 40\).
Time = 3.37 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.58 \[ \int e^{-e^{x^3}} \left (e^{20 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )+e^{40 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )\right ) \, dx=e^{40 e^{x^{2} - 39 x + 400} e^{- e^{x^{3}}}} + 2 e^{20 e^{x^{2} - 39 x + 400} e^{- e^{x^{3}}}} \]
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Time = 0.55 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.50 \[ \int e^{-e^{x^3}} \left (e^{20 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )+e^{40 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )\right ) \, dx=e^{\left (40 \, e^{\left (x^{2} - 39 \, x - e^{\left (x^{3}\right )} + 400\right )}\right )} + 2 \, e^{\left (20 \, e^{\left (x^{2} - 39 \, x - e^{\left (x^{3}\right )} + 400\right )}\right )} \]
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\[ \int e^{-e^{x^3}} \left (e^{20 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )+e^{40 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )\right ) \, dx=\int { -40 \, {\left ({\left (3 \, x^{2} e^{\left (x^{3} + x^{2} - 39 \, x + 400\right )} - {\left (2 \, x - 39\right )} e^{\left (x^{2} - 39 \, x + 400\right )}\right )} e^{\left (40 \, e^{\left (x^{2} - 39 \, x - e^{\left (x^{3}\right )} + 400\right )}\right )} + {\left (3 \, x^{2} e^{\left (x^{3} + x^{2} - 39 \, x + 400\right )} - {\left (2 \, x - 39\right )} e^{\left (x^{2} - 39 \, x + 400\right )}\right )} e^{\left (20 \, e^{\left (x^{2} - 39 \, x - e^{\left (x^{3}\right )} + 400\right )}\right )}\right )} e^{\left (-e^{\left (x^{3}\right )}\right )} \,d x } \]
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Time = 17.49 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.65 \[ \int e^{-e^{x^3}} \left (e^{20 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )+e^{40 e^{400-e^{x^3}-39 x+x^2}} \left (-120 e^{400-39 x+x^2+x^3} x^2+e^{400-39 x+x^2} (-1560+80 x)\right )\right ) \, dx={\mathrm {e}}^{20\,{\mathrm {e}}^{-{\mathrm {e}}^{x^3}}\,{\mathrm {e}}^{-39\,x}\,{\mathrm {e}}^{x^2}\,{\mathrm {e}}^{400}}\,\left ({\mathrm {e}}^{20\,{\mathrm {e}}^{-{\mathrm {e}}^{x^3}}\,{\mathrm {e}}^{-39\,x}\,{\mathrm {e}}^{x^2}\,{\mathrm {e}}^{400}}+2\right ) \]
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