Integrand size = 20, antiderivative size = 44 \[ \int \frac {x^2}{\left (c x^2\right )^{3/2} (a+b x)} \, dx=\frac {x \log (x)}{a c \sqrt {c x^2}}-\frac {x \log (a+b x)}{a c \sqrt {c x^2}} \]
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Time = 0.01 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {15, 36, 29, 31} \[ \int \frac {x^2}{\left (c x^2\right )^{3/2} (a+b x)} \, dx=\frac {x \log (x)}{a c \sqrt {c x^2}}-\frac {x \log (a+b x)}{a c \sqrt {c x^2}} \]
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Rule 15
Rule 29
Rule 31
Rule 36
Rubi steps \begin{align*} \text {integral}& = \frac {x \int \frac {1}{x (a+b x)} \, dx}{c \sqrt {c x^2}} \\ & = \frac {x \int \frac {1}{x} \, dx}{a c \sqrt {c x^2}}-\frac {(b x) \int \frac {1}{a+b x} \, dx}{a c \sqrt {c x^2}} \\ & = \frac {x \log (x)}{a c \sqrt {c x^2}}-\frac {x \log (a+b x)}{a c \sqrt {c x^2}} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.66 \[ \int \frac {x^2}{\left (c x^2\right )^{3/2} (a+b x)} \, dx=\frac {x^3 (\log (x)-\log (a (a+b x)))}{a \left (c x^2\right )^{3/2}} \]
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Time = 0.30 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.59
method | result | size |
default | \(\frac {x^{3} \left (\ln \left (x \right )-\ln \left (b x +a \right )\right )}{\left (c \,x^{2}\right )^{\frac {3}{2}} a}\) | \(26\) |
risch | \(\frac {x \ln \left (-x \right )}{c \sqrt {c \,x^{2}}\, a}-\frac {x \ln \left (b x +a \right )}{a c \sqrt {c \,x^{2}}}\) | \(43\) |
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Time = 0.23 (sec) , antiderivative size = 70, normalized size of antiderivative = 1.59 \[ \int \frac {x^2}{\left (c x^2\right )^{3/2} (a+b x)} \, dx=\left [\frac {\sqrt {c x^{2}} \log \left (\frac {x}{b x + a}\right )}{a c^{2} x}, \frac {2 \, \sqrt {-c} \arctan \left (\frac {\sqrt {c x^{2}} {\left (2 \, b x + a\right )} \sqrt {-c}}{a c x}\right )}{a c^{2}}\right ] \]
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\[ \int \frac {x^2}{\left (c x^2\right )^{3/2} (a+b x)} \, dx=\int \frac {x^{2}}{\left (c x^{2}\right )^{\frac {3}{2}} \left (a + b x\right )}\, dx \]
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Time = 0.21 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.80 \[ \int \frac {x^2}{\left (c x^2\right )^{3/2} (a+b x)} \, dx=-\frac {\left (-1\right )^{\frac {2 \, a c x}{b}} \log \left (-\frac {2 \, a c x}{b {\left | b x + a \right |}}\right )}{a c^{\frac {3}{2}}} \]
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Exception generated. \[ \int \frac {x^2}{\left (c x^2\right )^{3/2} (a+b x)} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {x^2}{\left (c x^2\right )^{3/2} (a+b x)} \, dx=\int \frac {x^2}{{\left (c\,x^2\right )}^{3/2}\,\left (a+b\,x\right )} \,d x \]
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