Integrand size = 9, antiderivative size = 13 \[ \int \frac {1}{\sqrt {b x^2}} \, dx=\frac {x \log (x)}{\sqrt {b x^2}} \]
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Time = 0.00 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {15, 29} \[ \int \frac {1}{\sqrt {b x^2}} \, dx=\frac {x \log (x)}{\sqrt {b x^2}} \]
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Rule 15
Rule 29
Rubi steps \begin{align*} \text {integral}& = \frac {x \int \frac {1}{x} \, dx}{\sqrt {b x^2}} \\ & = \frac {x \log (x)}{\sqrt {b x^2}} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {1}{\sqrt {b x^2}} \, dx=\frac {x \log (x)}{\sqrt {b x^2}} \]
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Time = 0.04 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.92
method | result | size |
default | \(\frac {x \ln \left (x \right )}{\sqrt {b \,x^{2}}}\) | \(12\) |
risch | \(\frac {x \ln \left (x \right )}{\sqrt {b \,x^{2}}}\) | \(12\) |
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none
Time = 0.34 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.23 \[ \int \frac {1}{\sqrt {b x^2}} \, dx=\frac {\sqrt {b x^{2}} \log \left (x\right )}{b x} \]
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Time = 0.20 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.92 \[ \int \frac {1}{\sqrt {b x^2}} \, dx=\frac {x \log {\left (x \right )}}{\sqrt {b x^{2}}} \]
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none
Time = 0.20 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.46 \[ \int \frac {1}{\sqrt {b x^2}} \, dx=\frac {\log \left (x\right )}{\sqrt {b}} \]
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none
Time = 0.28 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.46 \[ \int \frac {1}{\sqrt {b x^2}} \, dx=\frac {\log \left (\sqrt {{\left | b \right |}} {\left | x \right |} {\left | \mathrm {sgn}\left (x\right ) \right |}\right )}{\sqrt {b} \mathrm {sgn}\left (x\right )} \]
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Time = 0.00 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.77 \[ \int \frac {1}{\sqrt {b x^2}} \, dx=\frac {\ln \left (b\,x\right )\,\mathrm {sign}\left (x\right )}{\sqrt {b}} \]
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