Integrand size = 39, antiderivative size = 25 \[ \int e^{6-2 x+2 x^2-4 x \log (2)+2 \log ^2(2)-\log ^2(4)} (-8+16 x-16 \log (2)) \, dx=4 e^{6-2 x+2 (-x+\log (2))^2-\log ^2(4)} \]
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Time = 0.08 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.20, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.051, Rules used = {2276, 2268} \[ \int e^{6-2 x+2 x^2-4 x \log (2)+2 \log ^2(2)-\log ^2(4)} (-8+16 x-16 \log (2)) \, dx=4 \exp \left (2 x^2-2 x (1+\log (4))+6-\log ^2(4)+2 \log ^2(2)\right ) \]
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Rule 2268
Rule 2276
Rubi steps \begin{align*} \text {integral}& = \int \exp \left (6+2 x^2+2 \log ^2(2)-\log ^2(4)-2 x (1+\log (4))\right ) (16 x-8 (1+\log (4))) \, dx \\ & = 4 \exp \left (6+2 x^2+2 \log ^2(2)-\log ^2(4)-2 x (1+\log (4))\right ) \\ \end{align*}
Time = 0.56 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.92 \[ \int e^{6-2 x+2 x^2-4 x \log (2)+2 \log ^2(2)-\log ^2(4)} (-8+16 x-16 \log (2)) \, dx=e^{\frac {1}{2} \left (11-2 \log ^2(4)+(1-2 x+\log (4))^2\right )} \]
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Time = 0.12 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00
method | result | size |
gosper | \(4 \,{\mathrm e}^{-2 \ln \left (2\right )^{2}-4 x \ln \left (2\right )+2 x^{2}-2 x +6}\) | \(25\) |
default | \(4 \,{\mathrm e}^{-2 \ln \left (2\right )^{2}-4 x \ln \left (2\right )+2 x^{2}-2 x +6}\) | \(25\) |
norman | \(4 \,{\mathrm e}^{-2 \ln \left (2\right )^{2}-4 x \ln \left (2\right )+2 x^{2}-2 x +6}\) | \(25\) |
risch | \(4 \,4^{-2 x} {\mathrm e}^{-2 \ln \left (2\right )^{2}+6+2 x^{2}-2 x}\) | \(25\) |
parallelrisch | \(4 \,{\mathrm e}^{-2 \ln \left (2\right )^{2}-4 x \ln \left (2\right )+2 x^{2}-2 x +6}\) | \(25\) |
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Time = 0.25 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.96 \[ \int e^{6-2 x+2 x^2-4 x \log (2)+2 \log ^2(2)-\log ^2(4)} (-8+16 x-16 \log (2)) \, dx=4 \, e^{\left (2 \, x^{2} - 4 \, x \log \left (2\right ) - 2 \, \log \left (2\right )^{2} - 2 \, x + 6\right )} \]
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Time = 0.06 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.04 \[ \int e^{6-2 x+2 x^2-4 x \log (2)+2 \log ^2(2)-\log ^2(4)} (-8+16 x-16 \log (2)) \, dx=4 e^{2 x^{2} - 4 x \log {\left (2 \right )} - 2 x - 2 \log {\left (2 \right )}^{2} + 6} \]
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Time = 0.20 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.96 \[ \int e^{6-2 x+2 x^2-4 x \log (2)+2 \log ^2(2)-\log ^2(4)} (-8+16 x-16 \log (2)) \, dx=4 \, e^{\left (2 \, x^{2} - 4 \, x \log \left (2\right ) - 2 \, \log \left (2\right )^{2} - 2 \, x + 6\right )} \]
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Time = 0.27 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.96 \[ \int e^{6-2 x+2 x^2-4 x \log (2)+2 \log ^2(2)-\log ^2(4)} (-8+16 x-16 \log (2)) \, dx=4 \, e^{\left (2 \, x^{2} - 4 \, x \log \left (2\right ) - 2 \, \log \left (2\right )^{2} - 2 \, x + 6\right )} \]
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Time = 0.18 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.12 \[ \int e^{6-2 x+2 x^2-4 x \log (2)+2 \log ^2(2)-\log ^2(4)} (-8+16 x-16 \log (2)) \, dx=\frac {4\,{\mathrm {e}}^{-2\,x}\,{\mathrm {e}}^6\,{\mathrm {e}}^{-2\,{\ln \left (2\right )}^2}\,{\mathrm {e}}^{2\,x^2}}{2^{4\,x}} \]
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