Integrand size = 49, antiderivative size = 24 \[ \int \frac {10 x+x^2+e^x \left (-76-17 x-x^2\right )}{475+190 x+24 x^2+x^3+e^x \left (95+19 x+x^2\right )} \, dx=-4-\log \left (5+e^x+x\right )+\log \left (4 \left (-5-x+(10+x)^2\right )\right ) \]
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\[ \int \frac {10 x+x^2+e^x \left (-76-17 x-x^2\right )}{475+190 x+24 x^2+x^3+e^x \left (95+19 x+x^2\right )} \, dx=\int \frac {10 x+x^2+e^x \left (-76-17 x-x^2\right )}{475+190 x+24 x^2+x^3+e^x \left (95+19 x+x^2\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {10 x+x^2+e^x \left (-76-17 x-x^2\right )}{\left (5+e^x+x\right ) \left (95+19 x+x^2\right )} \, dx \\ & = \int \left (\frac {4+x}{5+e^x+x}+\frac {-76-17 x-x^2}{95+19 x+x^2}\right ) \, dx \\ & = \int \frac {4+x}{5+e^x+x} \, dx+\int \frac {-76-17 x-x^2}{95+19 x+x^2} \, dx \\ & = \int \left (\frac {4}{5+e^x+x}+\frac {x}{5+e^x+x}\right ) \, dx+\int \left (-1+\frac {19+2 x}{95+19 x+x^2}\right ) \, dx \\ & = -x+4 \int \frac {1}{5+e^x+x} \, dx+\int \frac {x}{5+e^x+x} \, dx+\int \frac {19+2 x}{95+19 x+x^2} \, dx \\ & = -x+\log \left (95+19 x+x^2\right )+4 \int \frac {1}{5+e^x+x} \, dx+\int \frac {x}{5+e^x+x} \, dx \\ \end{align*}
Time = 0.80 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.79 \[ \int \frac {10 x+x^2+e^x \left (-76-17 x-x^2\right )}{475+190 x+24 x^2+x^3+e^x \left (95+19 x+x^2\right )} \, dx=-\log \left (5+e^x+x\right )+\log \left (95+19 x+x^2\right ) \]
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Time = 0.08 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.79
method | result | size |
norman | \(-\ln \left ({\mathrm e}^{x}+5+x \right )+\ln \left (x^{2}+19 x +95\right )\) | \(19\) |
risch | \(-\ln \left ({\mathrm e}^{x}+5+x \right )+\ln \left (x^{2}+19 x +95\right )\) | \(19\) |
parallelrisch | \(-\ln \left ({\mathrm e}^{x}+5+x \right )+\ln \left (x^{2}+19 x +95\right )\) | \(19\) |
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Time = 0.27 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.75 \[ \int \frac {10 x+x^2+e^x \left (-76-17 x-x^2\right )}{475+190 x+24 x^2+x^3+e^x \left (95+19 x+x^2\right )} \, dx=\log \left (x^{2} + 19 \, x + 95\right ) - \log \left (x + e^{x} + 5\right ) \]
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Time = 0.09 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.71 \[ \int \frac {10 x+x^2+e^x \left (-76-17 x-x^2\right )}{475+190 x+24 x^2+x^3+e^x \left (95+19 x+x^2\right )} \, dx=- \log {\left (x + e^{x} + 5 \right )} + \log {\left (x^{2} + 19 x + 95 \right )} \]
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Time = 0.23 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.75 \[ \int \frac {10 x+x^2+e^x \left (-76-17 x-x^2\right )}{475+190 x+24 x^2+x^3+e^x \left (95+19 x+x^2\right )} \, dx=\log \left (x^{2} + 19 \, x + 95\right ) - \log \left (x + e^{x} + 5\right ) \]
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Time = 0.28 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.92 \[ \int \frac {10 x+x^2+e^x \left (-76-17 x-x^2\right )}{475+190 x+24 x^2+x^3+e^x \left (95+19 x+x^2\right )} \, dx=\log \left (x^{2} + 19 \, x + 95\right ) - \log \left (-x - e^{x} - 5\right ) \]
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Time = 0.60 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.75 \[ \int \frac {10 x+x^2+e^x \left (-76-17 x-x^2\right )}{475+190 x+24 x^2+x^3+e^x \left (95+19 x+x^2\right )} \, dx=\ln \left (x^2+19\,x+95\right )-\ln \left (x+{\mathrm {e}}^x+5\right ) \]
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