Integrand size = 17, antiderivative size = 14 \[ \int \left (\frac {b}{x}+\frac {1}{x^2 (1+b x)}\right ) \, dx=-\frac {1}{x}+b \log (1+b x) \]
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Time = 0.01 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.059, Rules used = {46} \[ \int \left (\frac {b}{x}+\frac {1}{x^2 (1+b x)}\right ) \, dx=b \log (b x+1)-\frac {1}{x} \]
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Rule 46
Rubi steps \begin{align*} \text {integral}& = b \log (x)+\int \frac {1}{x^2 (1+b x)} \, dx \\ & = b \log (x)+\int \left (\frac {1}{x^2}-\frac {b}{x}+\frac {b^2}{1+b x}\right ) \, dx \\ & = -\frac {1}{x}+b \log (1+b x) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00 \[ \int \left (\frac {b}{x}+\frac {1}{x^2 (1+b x)}\right ) \, dx=-\frac {1}{x}+b \log (1+b x) \]
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Time = 0.05 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.07
method | result | size |
default | \(-\frac {1}{x}+b \ln \left (b x +1\right )\) | \(15\) |
norman | \(-\frac {1}{x}+b \ln \left (b x +1\right )\) | \(15\) |
risch | \(-\frac {1}{x}+b \ln \left (-b x -1\right )\) | \(16\) |
parallelrisch | \(\frac {b \ln \left (b x +1\right ) x -1}{x}\) | \(16\) |
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none
Time = 0.22 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.07 \[ \int \left (\frac {b}{x}+\frac {1}{x^2 (1+b x)}\right ) \, dx=\frac {b x \log \left (b x + 1\right ) - 1}{x} \]
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Time = 0.08 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.71 \[ \int \left (\frac {b}{x}+\frac {1}{x^2 (1+b x)}\right ) \, dx=b \log {\left (b x + 1 \right )} - \frac {1}{x} \]
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none
Time = 0.21 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00 \[ \int \left (\frac {b}{x}+\frac {1}{x^2 (1+b x)}\right ) \, dx=b \log \left (b x + 1\right ) - \frac {1}{x} \]
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none
Time = 0.28 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.07 \[ \int \left (\frac {b}{x}+\frac {1}{x^2 (1+b x)}\right ) \, dx=b \log \left ({\left | b x + 1 \right |}\right ) - \frac {1}{x} \]
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Time = 0.04 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.43 \[ \int \left (\frac {b}{x}+\frac {1}{x^2 (1+b x)}\right ) \, dx=b\,\ln \left (x\right )+2\,b\,\mathrm {atanh}\left (2\,b\,x+1\right )-\frac {1}{x} \]
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