Integrand size = 21, antiderivative size = 21 \[ \int \frac {e^{\frac {1}{x}} (112-112 x)-336 x^3}{x} \, dx=112 x \left (-e^{\frac {1}{x}}+\frac {25}{x}-x^2\right ) \]
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Time = 0.03 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {14, 2326} \[ \int \frac {e^{\frac {1}{x}} (112-112 x)-336 x^3}{x} \, dx=-112 x^3-112 e^{\frac {1}{x}} x \]
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Rule 14
Rule 2326
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {112 e^{\frac {1}{x}} (-1+x)}{x}-336 x^2\right ) \, dx \\ & = -112 x^3-112 \int \frac {e^{\frac {1}{x}} (-1+x)}{x} \, dx \\ & = -112 e^{\frac {1}{x}} x-112 x^3 \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {e^{\frac {1}{x}} (112-112 x)-336 x^3}{x} \, dx=-112 \left (e^{\frac {1}{x}} x+x^3\right ) \]
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Time = 0.11 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67
method | result | size |
derivativedivides | \(-112 x^{3}-112 x \,{\mathrm e}^{\frac {1}{x}}\) | \(14\) |
default | \(-112 x^{3}-112 x \,{\mathrm e}^{\frac {1}{x}}\) | \(14\) |
norman | \(-112 x^{3}-112 x \,{\mathrm e}^{\frac {1}{x}}\) | \(14\) |
risch | \(-112 x^{3}-112 x \,{\mathrm e}^{\frac {1}{x}}\) | \(14\) |
parallelrisch | \(-112 x^{3}-112 x \,{\mathrm e}^{\frac {1}{x}}\) | \(14\) |
parts | \(-112 x^{3}-112 x \,{\mathrm e}^{\frac {1}{x}}\) | \(14\) |
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none
Time = 0.24 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {e^{\frac {1}{x}} (112-112 x)-336 x^3}{x} \, dx=-112 \, x^{3} - 112 \, x e^{\frac {1}{x}} \]
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Time = 0.06 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67 \[ \int \frac {e^{\frac {1}{x}} (112-112 x)-336 x^3}{x} \, dx=- 112 x^{3} - 112 x e^{\frac {1}{x}} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.20 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {1}{x}} (112-112 x)-336 x^3}{x} \, dx=-112 \, x^{3} - 112 \, {\rm Ei}\left (\frac {1}{x}\right ) + 112 \, \Gamma \left (-1, -\frac {1}{x}\right ) \]
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none
Time = 0.27 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.71 \[ \int \frac {e^{\frac {1}{x}} (112-112 x)-336 x^3}{x} \, dx=-112 \, x^{3} {\left (\frac {e^{\frac {1}{x}}}{x^{2}} + 1\right )} \]
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Time = 9.79 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.52 \[ \int \frac {e^{\frac {1}{x}} (112-112 x)-336 x^3}{x} \, dx=-112\,x\,\left ({\mathrm {e}}^{1/x}+x^2\right ) \]
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