Integrand size = 27, antiderivative size = 19 \[ \int \frac {6+9 x+8 x^2+4 x^3}{3 x+2 x^2} \, dx=e^2+x+x^2+\log \left (3 x^2 (3+2 x)\right ) \]
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Time = 0.02 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.074, Rules used = {1607, 1634} \[ \int \frac {6+9 x+8 x^2+4 x^3}{3 x+2 x^2} \, dx=x^2+x+2 \log (x)+\log (2 x+3) \]
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Rule 1607
Rule 1634
Rubi steps \begin{align*} \text {integral}& = \int \frac {6+9 x+8 x^2+4 x^3}{x (3+2 x)} \, dx \\ & = \int \left (1+\frac {2}{x}+2 x+\frac {2}{3+2 x}\right ) \, dx \\ & = x+x^2+2 \log (x)+\log (3+2 x) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {6+9 x+8 x^2+4 x^3}{3 x+2 x^2} \, dx=x+x^2+2 \log (x)+\log (3+2 x) \]
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Time = 0.12 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.74
method | result | size |
parallelrisch | \(x^{2}+x +2 \ln \left (x \right )+\ln \left (x +\frac {3}{2}\right )\) | \(14\) |
default | \(x +x^{2}+2 \ln \left (x \right )+\ln \left (3+2 x \right )\) | \(16\) |
norman | \(x +x^{2}+2 \ln \left (x \right )+\ln \left (3+2 x \right )\) | \(16\) |
risch | \(x +x^{2}+2 \ln \left (x \right )+\ln \left (3+2 x \right )\) | \(16\) |
meijerg | \(2 \ln \left (x \right )+2 \ln \left (2\right )-2 \ln \left (3\right )+\ln \left (1+\frac {2 x}{3}\right )-\frac {x \left (6-2 x \right )}{2}+4 x\) | \(31\) |
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Time = 0.31 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {6+9 x+8 x^2+4 x^3}{3 x+2 x^2} \, dx=x^{2} + x + \log \left (2 \, x + 3\right ) + 2 \, \log \left (x\right ) \]
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Time = 0.05 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {6+9 x+8 x^2+4 x^3}{3 x+2 x^2} \, dx=x^{2} + x + 2 \log {\left (x \right )} + \log {\left (x + \frac {3}{2} \right )} \]
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Time = 0.22 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {6+9 x+8 x^2+4 x^3}{3 x+2 x^2} \, dx=x^{2} + x + \log \left (2 \, x + 3\right ) + 2 \, \log \left (x\right ) \]
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Time = 0.28 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.89 \[ \int \frac {6+9 x+8 x^2+4 x^3}{3 x+2 x^2} \, dx=x^{2} + x + \log \left ({\left | 2 \, x + 3 \right |}\right ) + 2 \, \log \left ({\left | x \right |}\right ) \]
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Time = 12.99 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.68 \[ \int \frac {6+9 x+8 x^2+4 x^3}{3 x+2 x^2} \, dx=x+\ln \left (x+\frac {3}{2}\right )+2\,\ln \left (x\right )+x^2 \]
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