Integrand size = 45, antiderivative size = 21 \[ \int e^{-40+e^{-40+8 x} \left (16 e^5+4 e^{45-8 x}\right )+8 x} \left (e^{40-8 x}+128 e^5 x\right ) \, dx=e^{e^5 \left (4+16 e^{-8 (5-x)}\right )} x \]
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Time = 0.14 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {6873, 6820, 2326} \[ \int e^{-40+e^{-40+8 x} \left (16 e^5+4 e^{45-8 x}\right )+8 x} \left (e^{40-8 x}+128 e^5 x\right ) \, dx=e^{16 e^{8 x-35}+4 e^5} x \]
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Rule 2326
Rule 6820
Rule 6873
Rubi steps \begin{align*} \text {integral}& = \int \exp \left (\frac {4 \left (4 e^{8 x}-10 e^{35} \left (1-\frac {e^5}{10}\right )+2 e^{35} x\right )}{e^{35}}\right ) \left (e^{40-8 x}+128 e^5 x\right ) \, dx \\ & = \int e^{16 e^{-35+8 x}-35 \left (1-\frac {4 e^5}{35}\right )} \left (e^{35}+128 e^{8 x} x\right ) \, dx \\ & = e^{4 e^5+16 e^{-35+8 x}} x \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int e^{-40+e^{-40+8 x} \left (16 e^5+4 e^{45-8 x}\right )+8 x} \left (e^{40-8 x}+128 e^5 x\right ) \, dx=e^{4 e^5+16 e^{-35+8 x}} x \]
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Time = 0.98 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.10
method | result | size |
risch | \(x \,{\mathrm e}^{4 \left ({\mathrm e}^{45-8 x}+4 \,{\mathrm e}^{5}\right ) {\mathrm e}^{8 x -40}}\) | \(23\) |
parallelrisch | \(x \,{\mathrm e}^{4 \,{\mathrm e}^{5} \left ({\mathrm e}^{-8 x +40}+4\right ) {\mathrm e}^{8 x -40}}\) | \(26\) |
norman | \(x \,{\mathrm e}^{\left (4 \,{\mathrm e}^{5} {\mathrm e}^{-8 x +40}+16 \,{\mathrm e}^{5}\right ) {\mathrm e}^{8 x -40}}\) | \(30\) |
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Time = 0.26 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int e^{-40+e^{-40+8 x} \left (16 e^5+4 e^{45-8 x}\right )+8 x} \left (e^{40-8 x}+128 e^5 x\right ) \, dx=x e^{\left (4 \, e^{5} + 16 \, e^{\left (8 \, x - 35\right )}\right )} \]
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Time = 0.10 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.24 \[ \int e^{-40+e^{-40+8 x} \left (16 e^5+4 e^{45-8 x}\right )+8 x} \left (e^{40-8 x}+128 e^5 x\right ) \, dx=x e^{\left (4 e^{5} e^{40 - 8 x} + 16 e^{5}\right ) e^{8 x - 40}} \]
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\[ \int e^{-40+e^{-40+8 x} \left (16 e^5+4 e^{45-8 x}\right )+8 x} \left (e^{40-8 x}+128 e^5 x\right ) \, dx=\int { {\left (128 \, x e^{5} + e^{\left (-8 \, x + 40\right )}\right )} e^{\left (4 \, {\left (4 \, e^{5} + e^{\left (-8 \, x + 45\right )}\right )} e^{\left (8 \, x - 40\right )} + 8 \, x - 40\right )} \,d x } \]
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\[ \int e^{-40+e^{-40+8 x} \left (16 e^5+4 e^{45-8 x}\right )+8 x} \left (e^{40-8 x}+128 e^5 x\right ) \, dx=\int { {\left (128 \, x e^{5} + e^{\left (-8 \, x + 40\right )}\right )} e^{\left (4 \, {\left (4 \, e^{5} + e^{\left (-8 \, x + 45\right )}\right )} e^{\left (8 \, x - 40\right )} + 8 \, x - 40\right )} \,d x } \]
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Time = 0.17 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int e^{-40+e^{-40+8 x} \left (16 e^5+4 e^{45-8 x}\right )+8 x} \left (e^{40-8 x}+128 e^5 x\right ) \, dx=x\,{\mathrm {e}}^{4\,{\mathrm {e}}^5}\,{\mathrm {e}}^{16\,{\mathrm {e}}^{8\,x}\,{\mathrm {e}}^{-35}} \]
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