Integrand size = 35, antiderivative size = 18 \[ \int \frac {25+e+30 e^{2 x}+5 e^{4 x}}{25+e+10 e^{2 x}+e^{4 x}} \, dx=x+\log \left (-e-\left (5+e^{2 x}\right )^2\right ) \]
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Time = 0.05 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.086, Rules used = {2320, 1642, 642} \[ \int \frac {25+e+30 e^{2 x}+5 e^{4 x}}{25+e+10 e^{2 x}+e^{4 x}} \, dx=x+\log \left (10 e^{2 x}+e^{4 x}+25+e\right ) \]
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Rule 642
Rule 1642
Rule 2320
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \text {Subst}\left (\int \frac {25+e+30 x+5 x^2}{x \left (25+e+10 x+x^2\right )} \, dx,x,e^{2 x}\right ) \\ & = \frac {1}{2} \text {Subst}\left (\int \left (\frac {1}{x}+\frac {4 (5+x)}{25+e+10 x+x^2}\right ) \, dx,x,e^{2 x}\right ) \\ & = x+2 \text {Subst}\left (\int \frac {5+x}{25+e+10 x+x^2} \, dx,x,e^{2 x}\right ) \\ & = x+\log \left (25+e+10 e^{2 x}+e^{4 x}\right ) \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.50 \[ \int \frac {25+e+30 e^{2 x}+5 e^{4 x}}{25+e+10 e^{2 x}+e^{4 x}} \, dx=\frac {1}{2} \log \left (e^{2 x}\right )+\log \left (25+e+10 e^{2 x}+e^{4 x}\right ) \]
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Time = 0.08 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00
method | result | size |
norman | \(x +\ln \left ({\mathrm e}^{4 x}+10 \,{\mathrm e}^{2 x}+{\mathrm e}+25\right )\) | \(18\) |
risch | \(x +\ln \left ({\mathrm e}^{4 x}+10 \,{\mathrm e}^{2 x}+{\mathrm e}+25\right )\) | \(18\) |
parallelrisch | \(x +\ln \left ({\mathrm e}^{4 x}+10 \,{\mathrm e}^{2 x}+{\mathrm e}+25\right )\) | \(18\) |
derivativedivides | \(\ln \left (\left ({\mathrm e}^{4 x}+10 \,{\mathrm e}^{2 x}+{\mathrm e}+25\right ) {\mathrm e}^{x}\right )\) | \(19\) |
default | \(\ln \left (\left ({\mathrm e}^{4 x}+10 \,{\mathrm e}^{2 x}+{\mathrm e}+25\right ) {\mathrm e}^{x}\right )\) | \(19\) |
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Time = 0.25 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {25+e+30 e^{2 x}+5 e^{4 x}}{25+e+10 e^{2 x}+e^{4 x}} \, dx=x + \log \left (e + e^{\left (4 \, x\right )} + 10 \, e^{\left (2 \, x\right )} + 25\right ) \]
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Time = 0.06 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.06 \[ \int \frac {25+e+30 e^{2 x}+5 e^{4 x}}{25+e+10 e^{2 x}+e^{4 x}} \, dx=x + \log {\left (e^{4 x} + 10 e^{2 x} + e + 25 \right )} \]
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Time = 0.19 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {25+e+30 e^{2 x}+5 e^{4 x}}{25+e+10 e^{2 x}+e^{4 x}} \, dx=x + \log \left (e + e^{\left (4 \, x\right )} + 10 \, e^{\left (2 \, x\right )} + 25\right ) \]
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Time = 0.25 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {25+e+30 e^{2 x}+5 e^{4 x}}{25+e+10 e^{2 x}+e^{4 x}} \, dx=x + \log \left (e + e^{\left (4 \, x\right )} + 10 \, e^{\left (2 \, x\right )} + 25\right ) \]
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Time = 0.10 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {25+e+30 e^{2 x}+5 e^{4 x}}{25+e+10 e^{2 x}+e^{4 x}} \, dx=x+\ln \left (10\,{\mathrm {e}}^{2\,x}+{\mathrm {e}}^{4\,x}+\mathrm {e}+25\right ) \]
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