Integrand size = 20, antiderivative size = 60 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x} \, dx=\frac {1}{3} a^2 c x^2 \sqrt {c x^2}+\frac {1}{2} a b c x^3 \sqrt {c x^2}+\frac {1}{5} b^2 c x^4 \sqrt {c x^2} \]
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Time = 0.01 (sec) , antiderivative size = 60, 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} \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x} \, dx=\frac {1}{3} a^2 c x^2 \sqrt {c x^2}+\frac {1}{2} a b c x^3 \sqrt {c x^2}+\frac {1}{5} b^2 c x^4 \sqrt {c x^2} \]
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Rule 15
Rule 45
Rubi steps \begin{align*} \text {integral}& = \frac {\left (c \sqrt {c x^2}\right ) \int x^2 (a+b x)^2 \, dx}{x} \\ & = \frac {\left (c \sqrt {c x^2}\right ) \int \left (a^2 x^2+2 a b x^3+b^2 x^4\right ) \, dx}{x} \\ & = \frac {1}{3} a^2 c x^2 \sqrt {c x^2}+\frac {1}{2} a b c x^3 \sqrt {c x^2}+\frac {1}{5} b^2 c x^4 \sqrt {c x^2} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.60 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x} \, dx=\frac {1}{30} c x^2 \sqrt {c x^2} \left (10 a^2+15 a b x+6 b^2 x^2\right ) \]
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Time = 0.11 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.48
method | result | size |
gosper | \(\frac {\left (6 b^{2} x^{2}+15 a b x +10 a^{2}\right ) \left (c \,x^{2}\right )^{\frac {3}{2}}}{30}\) | \(29\) |
default | \(\frac {\left (6 b^{2} x^{2}+15 a b x +10 a^{2}\right ) \left (c \,x^{2}\right )^{\frac {3}{2}}}{30}\) | \(29\) |
risch | \(\frac {a^{2} c \,x^{2} \sqrt {c \,x^{2}}}{3}+\frac {a b c \,x^{3} \sqrt {c \,x^{2}}}{2}+\frac {b^{2} c \,x^{4} \sqrt {c \,x^{2}}}{5}\) | \(49\) |
trager | \(\frac {c \left (6 b^{2} x^{4}+15 a b \,x^{3}+6 b^{2} x^{3}+10 a^{2} x^{2}+15 a b \,x^{2}+6 b^{2} x^{2}+10 a^{2} x +15 a b x +6 b^{2} x +10 a^{2}+15 a b +6 b^{2}\right ) \left (-1+x \right ) \sqrt {c \,x^{2}}}{30 x}\) | \(95\) |
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Time = 0.22 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.60 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x} \, dx=\frac {1}{30} \, {\left (6 \, b^{2} c x^{4} + 15 \, a b c x^{3} + 10 \, a^{2} c x^{2}\right )} \sqrt {c x^{2}} \]
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Time = 0.59 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.73 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x} \, dx=\frac {a^{2} \left (c x^{2}\right )^{\frac {3}{2}}}{3} + \frac {a b x \left (c x^{2}\right )^{\frac {3}{2}}}{2} + \frac {b^{2} x^{2} \left (c x^{2}\right )^{\frac {3}{2}}}{5} \]
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none
Time = 0.21 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.67 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x} \, dx=\frac {1}{2} \, \left (c x^{2}\right )^{\frac {3}{2}} a b x + \frac {1}{3} \, \left (c x^{2}\right )^{\frac {3}{2}} a^{2} + \frac {\left (c x^{2}\right )^{\frac {5}{2}} b^{2}}{5 \, c} \]
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Time = 0.29 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.58 \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x} \, dx=\frac {1}{30} \, {\left (6 \, b^{2} x^{5} \mathrm {sgn}\left (x\right ) + 15 \, a b x^{4} \mathrm {sgn}\left (x\right ) + 10 \, a^{2} x^{3} \mathrm {sgn}\left (x\right )\right )} c^{\frac {3}{2}} \]
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Timed out. \[ \int \frac {\left (c x^2\right )^{3/2} (a+b x)^2}{x} \, dx=\int \frac {{\left (c\,x^2\right )}^{3/2}\,{\left (a+b\,x\right )}^2}{x} \,d x \]
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