Integrand size = 38, antiderivative size = 23 \[ \int 3 e^{5 x-125 x^2-50 x^3-5 x^4} \left (15-750 x-450 x^2-60 x^3\right ) \, dx=3 \left (-4+3 e^{5 \left (x-(x+x (4+x))^2\right )}\right ) \]
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Time = 0.05 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.053, Rules used = {12, 6838} \[ \int 3 e^{5 x-125 x^2-50 x^3-5 x^4} \left (15-750 x-450 x^2-60 x^3\right ) \, dx=9 e^{-5 x^4-50 x^3-125 x^2+5 x} \]
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Rule 12
Rule 6838
Rubi steps \begin{align*} \text {integral}& = 3 \int e^{5 x-125 x^2-50 x^3-5 x^4} \left (15-750 x-450 x^2-60 x^3\right ) \, dx \\ & = 9 e^{5 x-125 x^2-50 x^3-5 x^4} \\ \end{align*}
Time = 0.25 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int 3 e^{5 x-125 x^2-50 x^3-5 x^4} \left (15-750 x-450 x^2-60 x^3\right ) \, dx=9 e^{-5 x \left (-1+25 x+10 x^2+x^3\right )} \]
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Time = 0.08 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87
method | result | size |
risch | \(9 \,{\mathrm e}^{-5 x \left (x^{3}+10 x^{2}+25 x -1\right )}\) | \(20\) |
gosper | \(3 \,{\mathrm e}^{\ln \left (3\right )-5 x^{4}-50 x^{3}-125 x^{2}+5 x}\) | \(25\) |
norman | \(3 \,{\mathrm e}^{\ln \left (3\right )-5 x^{4}-50 x^{3}-125 x^{2}+5 x}\) | \(25\) |
parallelrisch | \(3 \,{\mathrm e}^{\ln \left (3\right )-5 x^{4}-50 x^{3}-125 x^{2}+5 x}\) | \(25\) |
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none
Time = 0.38 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int 3 e^{5 x-125 x^2-50 x^3-5 x^4} \left (15-750 x-450 x^2-60 x^3\right ) \, dx=3 \, e^{\left (-5 \, x^{4} - 50 \, x^{3} - 125 \, x^{2} + 5 \, x + \log \left (3\right )\right )} \]
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Time = 0.07 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int 3 e^{5 x-125 x^2-50 x^3-5 x^4} \left (15-750 x-450 x^2-60 x^3\right ) \, dx=9 e^{- 5 x^{4} - 50 x^{3} - 125 x^{2} + 5 x} \]
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none
Time = 0.18 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int 3 e^{5 x-125 x^2-50 x^3-5 x^4} \left (15-750 x-450 x^2-60 x^3\right ) \, dx=9 \, e^{\left (-5 \, x^{4} - 50 \, x^{3} - 125 \, x^{2} + 5 \, x\right )} \]
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none
Time = 0.26 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int 3 e^{5 x-125 x^2-50 x^3-5 x^4} \left (15-750 x-450 x^2-60 x^3\right ) \, dx=3 \, e^{\left (-5 \, x^{4} - 50 \, x^{3} - 125 \, x^{2} + 5 \, x + \log \left (3\right )\right )} \]
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Time = 0.08 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int 3 e^{5 x-125 x^2-50 x^3-5 x^4} \left (15-750 x-450 x^2-60 x^3\right ) \, dx=9\,{\mathrm {e}}^{5\,x}\,{\mathrm {e}}^{-5\,x^4}\,{\mathrm {e}}^{-50\,x^3}\,{\mathrm {e}}^{-125\,x^2} \]
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