Integrand size = 18, antiderivative size = 20 \[ \int \frac {x}{\sqrt {c x^2} (a+b x)} \, dx=\frac {x \log (a+b x)}{b \sqrt {c x^2}} \]
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Time = 0.00 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {15, 31} \[ \int \frac {x}{\sqrt {c x^2} (a+b x)} \, dx=\frac {x \log (a+b x)}{b \sqrt {c x^2}} \]
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Rule 15
Rule 31
Rubi steps \begin{align*} \text {integral}& = \frac {x \int \frac {1}{a+b x} \, dx}{\sqrt {c x^2}} \\ & = \frac {x \log (a+b x)}{b \sqrt {c x^2}} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int \frac {x}{\sqrt {c x^2} (a+b x)} \, dx=\frac {x \log (a+b x)}{b \sqrt {c x^2}} \]
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Time = 0.13 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95
method | result | size |
default | \(\frac {x \ln \left (b x +a \right )}{b \sqrt {c \,x^{2}}}\) | \(19\) |
risch | \(\frac {x \ln \left (b x +a \right )}{b \sqrt {c \,x^{2}}}\) | \(19\) |
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none
Time = 0.22 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.15 \[ \int \frac {x}{\sqrt {c x^2} (a+b x)} \, dx=\frac {\sqrt {c x^{2}} \log \left (b x + a\right )}{b c x} \]
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\[ \int \frac {x}{\sqrt {c x^2} (a+b x)} \, dx=\int \frac {x}{\sqrt {c x^{2}} \left (a + b x\right )}\, dx \]
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Leaf count of result is larger than twice the leaf count of optimal. 46 vs. \(2 (18) = 36\).
Time = 0.23 (sec) , antiderivative size = 46, normalized size of antiderivative = 2.30 \[ \int \frac {x}{\sqrt {c x^2} (a+b x)} \, dx=\frac {\left (-1\right )^{\frac {2 \, a c x}{b}} \log \left (-\frac {2 \, a c x}{b {\left | b x + a \right |}}\right )}{b \sqrt {c}} + \frac {\log \left (b x\right )}{b \sqrt {c}} \]
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none
Time = 0.30 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.60 \[ \int \frac {x}{\sqrt {c x^2} (a+b x)} \, dx=-\frac {\log \left ({\left | a \right |}\right ) \mathrm {sgn}\left (x\right )}{b \sqrt {c}} + \frac {\log \left ({\left | b x + a \right |}\right )}{b \sqrt {c} \mathrm {sgn}\left (x\right )} \]
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Timed out. \[ \int \frac {x}{\sqrt {c x^2} (a+b x)} \, dx=\int \frac {x}{\sqrt {c\,x^2}\,\left (a+b\,x\right )} \,d x \]
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