Integrand size = 20, antiderivative size = 52 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^4} \, dx=2 a b c \sqrt {c x^2}+\frac {1}{2} b^2 c x \sqrt {c x^2}+\frac {a^2 c \sqrt {c x^2} \log (x)}{x} \]
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Time = 0.01 (sec) , antiderivative size = 52, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {15, 45} \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^4} \, dx=\frac {a^2 c \sqrt {c x^2} \log (x)}{x}+2 a b c \sqrt {c x^2}+\frac {1}{2} b^2 c x \sqrt {c x^2} \]
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Rule 15
Rule 45
Rubi steps \begin{align*} \text {integral}& = \frac {\left (c \sqrt {c x^2}\right ) \int \frac {(a+b x)^2}{x} \, dx}{x} \\ & = \frac {\left (c \sqrt {c x^2}\right ) \int \left (2 a b+\frac {a^2}{x}+b^2 x\right ) \, dx}{x} \\ & = 2 a b c \sqrt {c x^2}+\frac {1}{2} b^2 c x \sqrt {c x^2}+\frac {a^2 c \sqrt {c x^2} \log (x)}{x} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.67 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^4} \, dx=\left (c x^2\right )^{3/2} \left (\frac {b (4 a+b x)}{2 x^2}+\frac {a^2 \log (x)}{x^3}\right ) \]
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Time = 0.13 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.63
method | result | size |
default | \(\frac {\left (c \,x^{2}\right )^{\frac {3}{2}} \left (b^{2} x^{2}+2 a^{2} \ln \left (x \right )+4 a b x \right )}{2 x^{3}}\) | \(33\) |
risch | \(\frac {c \sqrt {c \,x^{2}}\, b \left (\frac {1}{2} b \,x^{2}+2 a x \right )}{x}+\frac {a^{2} c \ln \left (x \right ) \sqrt {c \,x^{2}}}{x}\) | \(43\) |
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none
Time = 0.23 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.67 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^4} \, dx=\frac {{\left (b^{2} c x^{2} + 4 \, a b c x + 2 \, a^{2} c \log \left (x\right )\right )} \sqrt {c x^{2}}}{2 \, x} \]
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Time = 0.92 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.94 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^4} \, dx=\frac {a^{2} \left (c x^{2}\right )^{\frac {3}{2}} \log {\left (x \right )}}{x^{3}} + \frac {2 a b \left (c x^{2}\right )^{\frac {3}{2}}}{x^{2}} + \frac {b^{2} \left (c x^{2}\right )^{\frac {3}{2}}}{2 x} \]
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Exception generated. \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^4} \, dx=\text {Exception raised: RuntimeError} \]
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none
Time = 0.32 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.62 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^4} \, dx=\frac {1}{2} \, {\left (b^{2} x^{2} \mathrm {sgn}\left (x\right ) + 4 \, a b x \mathrm {sgn}\left (x\right ) + 2 \, a^{2} \log \left ({\left | x \right |}\right ) \mathrm {sgn}\left (x\right )\right )} c^{\frac {3}{2}} \]
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Timed out. \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^4} \, dx=\int \frac {{\left (c\,x^2\right )}^{3/2}\,{\left (a+b\,x\right )}^2}{x^4} \,d x \]
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