Integrand size = 34, antiderivative size = 18 \[ \int \frac {12-e^2+e^5+3 x}{12 x-e^2 x+e^5 x+x^2} \, dx=3+\log \left (x \left (12-e^2+e^5+x\right )^2\right ) \]
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Time = 0.01 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94, number of steps used = 4, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.059, Rules used = {6, 645} \[ \int \frac {12-e^2+e^5+3 x}{12 x-e^2 x+e^5 x+x^2} \, dx=\log (x)+2 \log \left (x+e^5-e^2+12\right ) \]
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Rule 6
Rule 645
Rubi steps \begin{align*} \text {integral}& = \int \frac {12-e^2+e^5+3 x}{e^5 x+\left (12-e^2\right ) x+x^2} \, dx \\ & = \int \frac {12-e^2+e^5+3 x}{\left (12-e^2+e^5\right ) x+x^2} \, dx \\ & = \int \left (\frac {1}{x}+\frac {2}{12-e^2+e^5+x}\right ) \, dx \\ & = \log (x)+2 \log \left (12-e^2+e^5+x\right ) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {12-e^2+e^5+3 x}{12 x-e^2 x+e^5 x+x^2} \, dx=\log (x)+2 \log \left (12-e^2+e^5+x\right ) \]
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Time = 0.26 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.89
method | result | size |
default | \(2 \ln \left (x -{\mathrm e}^{2}+12+{\mathrm e}^{5}\right )+\ln \left (x \right )\) | \(16\) |
norman | \(2 \ln \left (x -{\mathrm e}^{2}+12+{\mathrm e}^{5}\right )+\ln \left (x \right )\) | \(16\) |
risch | \(2 \ln \left (x -{\mathrm e}^{2}+12+{\mathrm e}^{5}\right )+\ln \left (x \right )\) | \(16\) |
parallelrisch | \(2 \ln \left (x -{\mathrm e}^{2}+12+{\mathrm e}^{5}\right )+\ln \left (x \right )\) | \(16\) |
meijerg | \(\frac {{\mathrm e}^{5} \left (\ln \left (x \right )-\ln \left ({\mathrm e}^{5}-{\mathrm e}^{2}+12\right )-\ln \left (1+\frac {x}{{\mathrm e}^{5}-{\mathrm e}^{2}+12}\right )\right )}{{\mathrm e}^{5}-{\mathrm e}^{2}+12}-\frac {{\mathrm e}^{2} \left (\ln \left (x \right )-\ln \left ({\mathrm e}^{5}-{\mathrm e}^{2}+12\right )-\ln \left (1+\frac {x}{{\mathrm e}^{5}-{\mathrm e}^{2}+12}\right )\right )}{{\mathrm e}^{5}-{\mathrm e}^{2}+12}+3 \ln \left (1+\frac {x}{{\mathrm e}^{5}-{\mathrm e}^{2}+12}\right )+\frac {12 \ln \left (x \right )-12 \ln \left ({\mathrm e}^{5}-{\mathrm e}^{2}+12\right )-12 \ln \left (1+\frac {x}{{\mathrm e}^{5}-{\mathrm e}^{2}+12}\right )}{{\mathrm e}^{5}-{\mathrm e}^{2}+12}\) | \(151\) |
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Time = 0.25 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83 \[ \int \frac {12-e^2+e^5+3 x}{12 x-e^2 x+e^5 x+x^2} \, dx=2 \, \log \left (x + e^{5} - e^{2} + 12\right ) + \log \left (x\right ) \]
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Time = 0.60 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83 \[ \int \frac {12-e^2+e^5+3 x}{12 x-e^2 x+e^5 x+x^2} \, dx=\log {\left (x \right )} + 2 \log {\left (x - e^{2} + 12 + e^{5} \right )} \]
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Time = 0.19 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83 \[ \int \frac {12-e^2+e^5+3 x}{12 x-e^2 x+e^5 x+x^2} \, dx=2 \, \log \left (x + e^{5} - e^{2} + 12\right ) + \log \left (x\right ) \]
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Time = 0.25 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {12-e^2+e^5+3 x}{12 x-e^2 x+e^5 x+x^2} \, dx=2 \, \log \left ({\left | x + e^{5} - e^{2} + 12 \right |}\right ) + \log \left ({\left | x \right |}\right ) \]
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Time = 0.15 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83 \[ \int \frac {12-e^2+e^5+3 x}{12 x-e^2 x+e^5 x+x^2} \, dx=2\,\ln \left (x-{\mathrm {e}}^2+{\mathrm {e}}^5+12\right )+\ln \left (x\right ) \]
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