Integrand size = 43, antiderivative size = 32 \[ \int \frac {-3 x^2+(1-3 x) \log (3)+e^{e^4-x} \left (x^2+x \log (3)\right )}{x^2+x \log (3)} \, dx=3-e^4-e^{e^4-x}-3 x-\log \left (1+\frac {\log (3)}{x}\right ) \]
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Time = 0.34 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.75, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.093, Rules used = {1607, 6874, 2225, 907} \[ \int \frac {-3 x^2+(1-3 x) \log (3)+e^{e^4-x} \left (x^2+x \log (3)\right )}{x^2+x \log (3)} \, dx=-3 x-e^{e^4-x}+\log (x)-\log (x+\log (3)) \]
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Rule 907
Rule 1607
Rule 2225
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {-3 x^2+(1-3 x) \log (3)+e^{e^4-x} \left (x^2+x \log (3)\right )}{x (x+\log (3))} \, dx \\ & = \int \left (e^{e^4-x}+\frac {-3 x^2+\log (3)-3 x \log (3)}{x (x+\log (3))}\right ) \, dx \\ & = \int e^{e^4-x} \, dx+\int \frac {-3 x^2+\log (3)-3 x \log (3)}{x (x+\log (3))} \, dx \\ & = -e^{e^4-x}+\int \left (-3+\frac {1}{x}+\frac {1}{-x-\log (3)}\right ) \, dx \\ & = -e^{e^4-x}-3 x+\log (x)-\log (x+\log (3)) \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.75 \[ \int \frac {-3 x^2+(1-3 x) \log (3)+e^{e^4-x} \left (x^2+x \log (3)\right )}{x^2+x \log (3)} \, dx=-e^{e^4-x}-3 x+\log (x)-\log (x+\log (3)) \]
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Time = 0.25 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.72
method | result | size |
norman | \(-3 x -{\mathrm e}^{{\mathrm e}^{4}-x}-\ln \left (\ln \left (3\right )+x \right )+\ln \left (x \right )\) | \(23\) |
risch | \(-3 x -{\mathrm e}^{{\mathrm e}^{4}-x}-\ln \left (\ln \left (3\right )+x \right )+\ln \left (x \right )\) | \(23\) |
parallelrisch | \(-3 x -{\mathrm e}^{{\mathrm e}^{4}-x}-\ln \left (\ln \left (3\right )+x \right )+\ln \left (x \right )\) | \(23\) |
parts | \(-3 x -{\mathrm e}^{{\mathrm e}^{4}-x}-\ln \left (\ln \left (3\right )+x \right )+\ln \left (x \right )\) | \(23\) |
derivativedivides | \(\text {Expression too large to display}\) | \(2336\) |
default | \(\text {Expression too large to display}\) | \(2336\) |
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Time = 0.30 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.69 \[ \int \frac {-3 x^2+(1-3 x) \log (3)+e^{e^4-x} \left (x^2+x \log (3)\right )}{x^2+x \log (3)} \, dx=-3 \, x - e^{\left (-x + e^{4}\right )} - \log \left (x + \log \left (3\right )\right ) + \log \left (x\right ) \]
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Time = 0.11 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.59 \[ \int \frac {-3 x^2+(1-3 x) \log (3)+e^{e^4-x} \left (x^2+x \log (3)\right )}{x^2+x \log (3)} \, dx=- 3 x - e^{- x + e^{4}} + \log {\left (x \right )} - \log {\left (x + \log {\left (3 \right )} \right )} \]
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\[ \int \frac {-3 x^2+(1-3 x) \log (3)+e^{e^4-x} \left (x^2+x \log (3)\right )}{x^2+x \log (3)} \, dx=\int { -\frac {3 \, x^{2} - {\left (x^{2} + x \log \left (3\right )\right )} e^{\left (-x + e^{4}\right )} + {\left (3 \, x - 1\right )} \log \left (3\right )}{x^{2} + x \log \left (3\right )} \,d x } \]
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Time = 0.29 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.88 \[ \int \frac {-3 x^2+(1-3 x) \log (3)+e^{e^4-x} \left (x^2+x \log (3)\right )}{x^2+x \log (3)} \, dx=-3 \, x + 3 \, e^{4} - e^{\left (-x + e^{4}\right )} + \log \left (-x\right ) - \log \left (x + \log \left (3\right )\right ) \]
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Time = 13.26 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.69 \[ \int \frac {-3 x^2+(1-3 x) \log (3)+e^{e^4-x} \left (x^2+x \log (3)\right )}{x^2+x \log (3)} \, dx=\ln \left (x\right )-{\mathrm {e}}^{{\mathrm {e}}^4-x}-\ln \left (x+\ln \left (3\right )\right )-3\,x \]
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