Integrand size = 31, antiderivative size = 20 \[ \int \frac {e^{4 e+x}-3750 x}{e^{4 e} \left (-27+e^x\right )-1875 x^2} \, dx=\log \left (9-\frac {e^x}{3}+625 e^{-4 e} x^2\right ) \]
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Time = 0.03 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.032, Rules used = {6816} \[ \int \frac {e^{4 e+x}-3750 x}{e^{4 e} \left (-27+e^x\right )-1875 x^2} \, dx=\log \left (1875 x^2+e^{4 e} \left (27-e^x\right )\right ) \]
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Rule 6816
Rubi steps \begin{align*} \text {integral}& = \log \left (e^{4 e} \left (27-e^x\right )+1875 x^2\right ) \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.90 \[ \int \frac {e^{4 e+x}-3750 x}{e^{4 e} \left (-27+e^x\right )-1875 x^2} \, dx=\log \left (e^{4 e} \left (-27+e^x\right )-1875 x^2\right ) \]
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Time = 0.09 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.80
method | result | size |
risch | \(\ln \left (-1875 \,{\mathrm e}^{-4 \,{\mathrm e}} x^{2}-27+{\mathrm e}^{x}\right )\) | \(16\) |
derivativedivides | \(\ln \left (\left ({\mathrm e}^{x}-27\right ) {\mathrm e}^{4 \,{\mathrm e}}-1875 x^{2}\right )\) | \(18\) |
default | \(\ln \left (\left ({\mathrm e}^{x}-27\right ) {\mathrm e}^{4 \,{\mathrm e}}-1875 x^{2}\right )\) | \(18\) |
parallelrisch | \(\ln \left (-\frac {{\mathrm e}^{x} {\mathrm e}^{4 \,{\mathrm e}}}{1875}+\frac {9 \,{\mathrm e}^{4 \,{\mathrm e}}}{625}+x^{2}\right )\) | \(22\) |
norman | \(\ln \left ({\mathrm e}^{x} {\mathrm e}^{4 \,{\mathrm e}}-27 \,{\mathrm e}^{4 \,{\mathrm e}}-1875 x^{2}\right )\) | \(23\) |
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none
Time = 0.25 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.05 \[ \int \frac {e^{4 e+x}-3750 x}{e^{4 e} \left (-27+e^x\right )-1875 x^2} \, dx=\log \left (-1875 \, x^{2} + e^{\left (x + 4 \, e\right )} - 27 \, e^{\left (4 \, e\right )}\right ) \]
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Time = 0.08 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.30 \[ \int \frac {e^{4 e+x}-3750 x}{e^{4 e} \left (-27+e^x\right )-1875 x^2} \, dx=\log {\left (\frac {- 1875 x^{2} - 27 e^{4 e}}{e^{4 e}} + e^{x} \right )} \]
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none
Time = 0.18 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.90 \[ \int \frac {e^{4 e+x}-3750 x}{e^{4 e} \left (-27+e^x\right )-1875 x^2} \, dx=\log \left (1875 \, x^{2} - {\left (e^{x} - 27\right )} e^{\left (4 \, e\right )}\right ) \]
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none
Time = 0.27 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.05 \[ \int \frac {e^{4 e+x}-3750 x}{e^{4 e} \left (-27+e^x\right )-1875 x^2} \, dx=\log \left (-1875 \, x^{2} + e^{\left (x + 4 \, e\right )} - 27 \, e^{\left (4 \, e\right )}\right ) \]
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Time = 0.29 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.15 \[ \int \frac {e^{4 e+x}-3750 x}{e^{4 e} \left (-27+e^x\right )-1875 x^2} \, dx=\ln \left (27\,{\mathrm {e}}^{4\,\mathrm {e}}-{\mathrm {e}}^{x+4\,\mathrm {e}}+1875\,x^2\right ) \]
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