Integrand size = 29, antiderivative size = 23 \[ \int \frac {-2 e^4 x+e^x x-6 e^{-6+3 x} x}{2 x} \, dx=\frac {e^x}{2}-e^{-6+3 x}-e^4 x \]
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Time = 0.01 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.103, Rules used = {12, 14, 2225} \[ \int \frac {-2 e^4 x+e^x x-6 e^{-6+3 x} x}{2 x} \, dx=-e^4 x+\frac {e^x}{2}-e^{3 x-6} \]
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Rule 12
Rule 14
Rule 2225
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \int \frac {-2 e^4 x+e^x x-6 e^{-6+3 x} x}{x} \, dx \\ & = \frac {1}{2} \int \left (-2 e^4+e^x-6 e^{-6+3 x}\right ) \, dx \\ & = -e^4 x+\frac {\int e^x \, dx}{2}-3 \int e^{-6+3 x} \, dx \\ & = \frac {e^x}{2}-e^{-6+3 x}-e^4 x \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int \frac {-2 e^4 x+e^x x-6 e^{-6+3 x} x}{2 x} \, dx=\frac {e^x}{2}-e^{-6+3 x}-e^4 x \]
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Time = 0.15 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83
method | result | size |
risch | \(-x \,{\mathrm e}^{4}-{\mathrm e}^{-6+3 x}+\frac {{\mathrm e}^{x}}{2}\) | \(19\) |
default | \(\frac {{\mathrm e}^{x}}{2}-{\mathrm e}^{\ln \left (x \right )+4}-{\mathrm e}^{-6+3 x}\) | \(21\) |
norman | \(-x \,{\mathrm e}^{4}-{\mathrm e}^{-6} {\mathrm e}^{3 x}+\frac {{\mathrm e}^{x}}{2}\) | \(21\) |
parts | \(\frac {{\mathrm e}^{x}}{2}-{\mathrm e}^{\ln \left (x \right )+4}-{\mathrm e}^{-6+3 x}\) | \(21\) |
parallelrisch | \(\frac {{\mathrm e}^{x} x^{2}-2 x^{2} {\mathrm e}^{-6+3 x}-2 \,{\mathrm e}^{\ln \left (x \right )+4} x^{2}}{2 x^{2}}\) | \(34\) |
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Time = 0.27 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {-2 e^4 x+e^x x-6 e^{-6+3 x} x}{2 x} \, dx=-\frac {1}{2} \, {\left (2 \, x e^{10} + 2 \, e^{\left (3 \, x\right )} - e^{\left (x + 6\right )}\right )} e^{\left (-6\right )} \]
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Time = 0.06 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {-2 e^4 x+e^x x-6 e^{-6+3 x} x}{2 x} \, dx=- x e^{4} + \frac {- 2 e^{3 x} + e^{6} e^{x}}{2 e^{6}} \]
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Time = 0.21 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.78 \[ \int \frac {-2 e^4 x+e^x x-6 e^{-6+3 x} x}{2 x} \, dx=-x e^{4} - e^{\left (3 \, x - 6\right )} + \frac {1}{2} \, e^{x} \]
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Time = 0.29 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {-2 e^4 x+e^x x-6 e^{-6+3 x} x}{2 x} \, dx=-\frac {1}{2} \, {\left (2 \, x e^{10} + 2 \, e^{\left (3 \, x\right )} - e^{\left (x + 6\right )}\right )} e^{\left (-6\right )} \]
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Time = 0.08 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.78 \[ \int \frac {-2 e^4 x+e^x x-6 e^{-6+3 x} x}{2 x} \, dx=\frac {{\mathrm {e}}^x}{2}-{\mathrm {e}}^{3\,x-6}-x\,{\mathrm {e}}^4 \]
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