Integrand size = 28, antiderivative size = 17 \[ \int 25 e^{6+e^8+e^{1-x}} \left (1-e^{1-x} x\right ) \, dx=25 e^{6+e^8+e^{1-x}} x \]
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Time = 0.02 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {12, 2326} \[ \int 25 e^{6+e^8+e^{1-x}} \left (1-e^{1-x} x\right ) \, dx=25 e^{e^{1-x}+6+e^8} x \]
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Rule 12
Rule 2326
Rubi steps \begin{align*} \text {integral}& = 25 \int e^{6+e^8+e^{1-x}} \left (1-e^{1-x} x\right ) \, dx \\ & = 25 e^{6+e^8+e^{1-x}} x \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int 25 e^{6+e^8+e^{1-x}} \left (1-e^{1-x} x\right ) \, dx=25 e^{6+e^8+e^{1-x}} x \]
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Time = 0.13 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88
method | result | size |
risch | \(25 x \,{\mathrm e}^{{\mathrm e}^{1-x}+{\mathrm e}^{8}+6}\) | \(15\) |
norman | \(x \,{\mathrm e}^{{\mathrm e}^{1-x}+2 \ln \left (5\right )+{\mathrm e}^{8}+6}\) | \(20\) |
parallelrisch | \(x \,{\mathrm e}^{{\mathrm e}^{1-x}+2 \ln \left (5\right )+{\mathrm e}^{8}+6}\) | \(20\) |
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Time = 0.25 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int 25 e^{6+e^8+e^{1-x}} \left (1-e^{1-x} x\right ) \, dx=x e^{\left (e^{8} + e^{\left (-x + 1\right )} + 2 \, \log \left (5\right ) + 6\right )} \]
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Time = 0.07 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.82 \[ \int 25 e^{6+e^8+e^{1-x}} \left (1-e^{1-x} x\right ) \, dx=25 x e^{e^{1 - x} + 6 + e^{8}} \]
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\[ \int 25 e^{6+e^8+e^{1-x}} \left (1-e^{1-x} x\right ) \, dx=\int { -{\left (x e^{\left (-x + 1\right )} - 1\right )} e^{\left (e^{8} + e^{\left (-x + 1\right )} + 2 \, \log \left (5\right ) + 6\right )} \,d x } \]
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none
Time = 0.26 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.82 \[ \int 25 e^{6+e^8+e^{1-x}} \left (1-e^{1-x} x\right ) \, dx=25 \, x e^{\left (e^{8} + e^{\left (-x + 1\right )} + 6\right )} \]
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Time = 0.07 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.94 \[ \int 25 e^{6+e^8+e^{1-x}} \left (1-e^{1-x} x\right ) \, dx=25\,x\,{\mathrm {e}}^6\,{\mathrm {e}}^{{\mathrm {e}}^{-x}\,\mathrm {e}}\,{\mathrm {e}}^{{\mathrm {e}}^8} \]
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