Integrand size = 24, antiderivative size = 20 \[ \int \frac {-4-e^5+e^7 (20+40 x)}{4+e^5} \, dx=-x+\frac {20 e^7 x (1+x)}{4+e^5} \]
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Time = 0.01 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.15, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.042, Rules used = {12} \[ \int \frac {-4-e^5+e^7 (20+40 x)}{4+e^5} \, dx=\frac {5 e^7 (2 x+1)^2}{4+e^5}-x \]
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Rule 12
Rubi steps \begin{align*} \text {integral}& = \frac {\int \left (-4-e^5+e^7 (20+40 x)\right ) \, dx}{4+e^5} \\ & = -x+\frac {5 e^7 (1+2 x)^2}{4+e^5} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.60 \[ \int \frac {-4-e^5+e^7 (20+40 x)}{4+e^5} \, dx=-\frac {4 x+e^5 x-20 e^7 x-20 e^7 x^2}{4+e^5} \]
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Time = 0.06 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.20
method | result | size |
gosper | \(\frac {x \left (20 x \,{\mathrm e}^{7}+20 \,{\mathrm e}^{7}-{\mathrm e}^{5}-4\right )}{4+{\mathrm e}^{5}}\) | \(24\) |
default | \(\frac {20 x^{2} {\mathrm e}^{7}+20 x \,{\mathrm e}^{7}-x \,{\mathrm e}^{5}-4 x}{4+{\mathrm e}^{5}}\) | \(29\) |
parallelrisch | \(\frac {{\mathrm e}^{7} \left (20 x^{2}+20 x \right )+\left (-4-{\mathrm e}^{5}\right ) x}{4+{\mathrm e}^{5}}\) | \(29\) |
norman | \(\frac {\left (20 \,{\mathrm e}^{7}-{\mathrm e}^{5}-4\right ) x}{4+{\mathrm e}^{5}}+\frac {20 \,{\mathrm e}^{7} x^{2}}{4+{\mathrm e}^{5}}\) | \(33\) |
risch | \(\frac {20 \,{\mathrm e}^{7} x^{2}}{4+{\mathrm e}^{5}}+\frac {20 \,{\mathrm e}^{7} x}{4+{\mathrm e}^{5}}-\frac {x \,{\mathrm e}^{5}}{4+{\mathrm e}^{5}}-\frac {4 x}{4+{\mathrm e}^{5}}\) | \(46\) |
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Time = 0.24 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.25 \[ \int \frac {-4-e^5+e^7 (20+40 x)}{4+e^5} \, dx=\frac {20 \, {\left (x^{2} + x\right )} e^{7} - x e^{5} - 4 \, x}{e^{5} + 4} \]
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Time = 0.03 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.45 \[ \int \frac {-4-e^5+e^7 (20+40 x)}{4+e^5} \, dx=\frac {20 x^{2} e^{7}}{4 + e^{5}} + \frac {x \left (- e^{5} - 4 + 20 e^{7}\right )}{4 + e^{5}} \]
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none
Time = 0.18 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.25 \[ \int \frac {-4-e^5+e^7 (20+40 x)}{4+e^5} \, dx=\frac {20 \, {\left (x^{2} + x\right )} e^{7} - x e^{5} - 4 \, x}{e^{5} + 4} \]
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none
Time = 0.27 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.25 \[ \int \frac {-4-e^5+e^7 (20+40 x)}{4+e^5} \, dx=\frac {20 \, {\left (x^{2} + x\right )} e^{7} - x e^{5} - 4 \, x}{e^{5} + 4} \]
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Time = 12.91 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.30 \[ \int \frac {-4-e^5+e^7 (20+40 x)}{4+e^5} \, dx=\frac {{\mathrm {e}}^{-7}\,{\left ({\mathrm {e}}^5-{\mathrm {e}}^7\,\left (40\,x+20\right )+4\right )}^2}{80\,\left ({\mathrm {e}}^5+4\right )} \]
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