Integrand size = 41, antiderivative size = 22 \[ \int \frac {x^2+e^{-e^{-4+4 x}+x^2} \left (4+16 e^{-4+4 x} x-8 x^2\right )}{x^2} \, dx=-\frac {4 e^{-e^{-4+4 x}+x^2}}{x}+x \]
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Leaf count is larger than twice the leaf count of optimal. \(55\) vs. \(2(22)=44\).
Time = 0.10 (sec) , antiderivative size = 55, normalized size of antiderivative = 2.50, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.049, Rules used = {14, 2326} \[ \int \frac {x^2+e^{-e^{-4+4 x}+x^2} \left (4+16 e^{-4+4 x} x-8 x^2\right )}{x^2} \, dx=x-\frac {4 e^{x^2-e^{4 x-4}-4} \left (2 e^{4 x} x-e^4 x^2\right )}{\left (2 e^{4 x-4}-x\right ) x^2} \]
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Rule 14
Rule 2326
Rubi steps \begin{align*} \text {integral}& = \int \left (1-\frac {4 e^{-4-e^{-4+4 x}+x^2} \left (-e^4-4 e^{4 x} x+2 e^4 x^2\right )}{x^2}\right ) \, dx \\ & = x-4 \int \frac {e^{-4-e^{-4+4 x}+x^2} \left (-e^4-4 e^{4 x} x+2 e^4 x^2\right )}{x^2} \, dx \\ & = x-\frac {4 e^{-4-e^{-4+4 x}+x^2} \left (2 e^{4 x} x-e^4 x^2\right )}{\left (2 e^{-4+4 x}-x\right ) x^2} \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {x^2+e^{-e^{-4+4 x}+x^2} \left (4+16 e^{-4+4 x} x-8 x^2\right )}{x^2} \, dx=-\frac {4 e^{-e^{-4+4 x}+x^2}}{x}+x \]
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Time = 1.18 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95
method | result | size |
risch | \(x -\frac {4 \,{\mathrm e}^{-{\mathrm e}^{-4+4 x}+x^{2}}}{x}\) | \(21\) |
norman | \(\frac {x^{2}-4 \,{\mathrm e}^{-{\mathrm e}^{-4+4 x}+x^{2}}}{x}\) | \(26\) |
parallelrisch | \(\frac {x^{2}-4 \,{\mathrm e}^{-{\mathrm e}^{-4+4 x}+x^{2}}}{x}\) | \(26\) |
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Time = 0.26 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05 \[ \int \frac {x^2+e^{-e^{-4+4 x}+x^2} \left (4+16 e^{-4+4 x} x-8 x^2\right )}{x^2} \, dx=\frac {x^{2} - 4 \, e^{\left (x^{2} - e^{\left (4 \, x - 4\right )}\right )}}{x} \]
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Time = 0.09 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.68 \[ \int \frac {x^2+e^{-e^{-4+4 x}+x^2} \left (4+16 e^{-4+4 x} x-8 x^2\right )}{x^2} \, dx=x - \frac {4 e^{x^{2} - e^{4 x - 4}}}{x} \]
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Time = 0.30 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {x^2+e^{-e^{-4+4 x}+x^2} \left (4+16 e^{-4+4 x} x-8 x^2\right )}{x^2} \, dx=x - \frac {4 \, e^{\left (x^{2} - e^{\left (4 \, x - 4\right )}\right )}}{x} \]
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Time = 0.28 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05 \[ \int \frac {x^2+e^{-e^{-4+4 x}+x^2} \left (4+16 e^{-4+4 x} x-8 x^2\right )}{x^2} \, dx=\frac {x^{2} - 4 \, e^{\left (x^{2} - e^{\left (4 \, x - 4\right )}\right )}}{x} \]
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Time = 9.73 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {x^2+e^{-e^{-4+4 x}+x^2} \left (4+16 e^{-4+4 x} x-8 x^2\right )}{x^2} \, dx=x-\frac {4\,{\mathrm {e}}^{x^2}\,{\mathrm {e}}^{-{\mathrm {e}}^{4\,x}\,{\mathrm {e}}^{-4}}}{x} \]
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