Integrand size = 18, antiderivative size = 35 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{3/2}} \, dx=\frac {b x^2}{c \sqrt {c x^2}}+\frac {a x \log (x)}{c \sqrt {c x^2}} \]
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Time = 0.00 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {15, 45} \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{3/2}} \, dx=\frac {a x \log (x)}{c \sqrt {c x^2}}+\frac {b x^2}{c \sqrt {c x^2}} \]
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Rule 15
Rule 45
Rubi steps \begin{align*} \text {integral}& = \frac {x \int \frac {a+b x}{x} \, dx}{c \sqrt {c x^2}} \\ & = \frac {x \int \left (b+\frac {a}{x}\right ) \, dx}{c \sqrt {c x^2}} \\ & = \frac {b x^2}{c \sqrt {c x^2}}+\frac {a x \log (x)}{c \sqrt {c x^2}} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.66 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{3/2}} \, dx=\frac {b x^4+a x^3 \log (x)}{\left (c x^2\right )^{3/2}} \]
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Time = 0.03 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.57
method | result | size |
default | \(\frac {x^{3} \left (b x +a \ln \left (x \right )\right )}{\left (c \,x^{2}\right )^{\frac {3}{2}}}\) | \(20\) |
risch | \(\frac {b \,x^{2}}{c \sqrt {c \,x^{2}}}+\frac {a x \ln \left (x \right )}{c \sqrt {c \,x^{2}}}\) | \(32\) |
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none
Time = 0.22 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.63 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{3/2}} \, dx=\frac {\sqrt {c x^{2}} {\left (b x + a \log \left (x\right )\right )}}{c^{2} x} \]
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Time = 0.71 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.83 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{3/2}} \, dx=\frac {a x^{3} \log {\left (x \right )}}{\left (c x^{2}\right )^{\frac {3}{2}}} + \frac {b x^{4}}{\left (c x^{2}\right )^{\frac {3}{2}}} \]
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none
Time = 0.21 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.66 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{3/2}} \, dx=\frac {b x^{2}}{\sqrt {c x^{2}} c} + \frac {a \log \left (x\right )}{c^{\frac {3}{2}}} \]
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none
Time = 0.28 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.77 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{3/2}} \, dx=\frac {\frac {b x}{\sqrt {c} \mathrm {sgn}\left (x\right )} + \frac {a \log \left ({\left | x \right |}\right )}{\sqrt {c} \mathrm {sgn}\left (x\right )}}{c} \]
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Time = 0.33 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.86 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{3/2}} \, dx=\frac {b\,\left |x\right |}{c^{3/2}}+\frac {a\,\ln \left (x+\left |x\right |\right )}{c^{3/2}}-\frac {a\,x}{c^{3/2}\,\sqrt {x^2}} \]
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