Integrand size = 20, antiderivative size = 58 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^2} \, dx=\frac {1}{2} a^2 c x \sqrt {c x^2}+\frac {2}{3} a b c x^2 \sqrt {c x^2}+\frac {1}{4} b^2 c x^3 \sqrt {c x^2} \]
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Time = 0.01 (sec) , antiderivative size = 58, 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} \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^2} \, dx=\frac {1}{2} a^2 c x \sqrt {c x^2}+\frac {2}{3} a b c x^2 \sqrt {c x^2}+\frac {1}{4} b^2 c x^3 \sqrt {c x^2} \]
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Rule 15
Rule 45
Rubi steps \begin{align*} \text {integral}& = \frac {\left (c \sqrt {c x^2}\right ) \int x (a+b x)^2 \, dx}{x} \\ & = \frac {\left (c \sqrt {c x^2}\right ) \int \left (a^2 x+2 a b x^2+b^2 x^3\right ) \, dx}{x} \\ & = \frac {1}{2} a^2 c x \sqrt {c x^2}+\frac {2}{3} a b c x^2 \sqrt {c x^2}+\frac {1}{4} b^2 c x^3 \sqrt {c x^2} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.59 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^2} \, dx=\frac {1}{12} c x \sqrt {c x^2} \left (6 a^2+8 a b x+3 b^2 x^2\right ) \]
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Time = 0.11 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.55
method | result | size |
gosper | \(\frac {\left (3 b^{2} x^{2}+8 a b x +6 a^{2}\right ) \left (c \,x^{2}\right )^{\frac {3}{2}}}{12 x}\) | \(32\) |
default | \(\frac {\left (3 b^{2} x^{2}+8 a b x +6 a^{2}\right ) \left (c \,x^{2}\right )^{\frac {3}{2}}}{12 x}\) | \(32\) |
risch | \(\frac {a^{2} c x \sqrt {c \,x^{2}}}{2}+\frac {2 a b c \,x^{2} \sqrt {c \,x^{2}}}{3}+\frac {b^{2} c \,x^{3} \sqrt {c \,x^{2}}}{4}\) | \(47\) |
trager | \(\frac {c \left (3 b^{2} x^{3}+8 a b \,x^{2}+3 b^{2} x^{2}+6 a^{2} x +8 a b x +3 b^{2} x +6 a^{2}+8 a b +3 b^{2}\right ) \left (-1+x \right ) \sqrt {c \,x^{2}}}{12 x}\) | \(72\) |
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none
Time = 0.21 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.59 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^2} \, dx=\frac {1}{12} \, {\left (3 \, b^{2} c x^{3} + 8 \, a b c x^{2} + 6 \, a^{2} c x\right )} \sqrt {c x^{2}} \]
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Time = 0.28 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.76 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^2} \, dx=\frac {a^{2} \left (c x^{2}\right )^{\frac {3}{2}}}{2 x} + \frac {2 a b \left (c x^{2}\right )^{\frac {3}{2}}}{3} + \frac {b^{2} x \left (c x^{2}\right )^{\frac {3}{2}}}{4} \]
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Exception generated. \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^2} \, dx=\text {Exception raised: RuntimeError} \]
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none
Time = 0.28 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.60 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^2} \, dx=\frac {1}{12} \, {\left (3 \, b^{2} x^{4} \mathrm {sgn}\left (x\right ) + 8 \, a b x^{3} \mathrm {sgn}\left (x\right ) + 6 \, a^{2} x^{2} \mathrm {sgn}\left (x\right )\right )} c^{\frac {3}{2}} \]
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Timed out. \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x^2} \, dx=\int \frac {{\left (c\,x^2\right )}^{3/2}\,{\left (a+b\,x\right )}^2}{x^2} \,d x \]
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