Integrand size = 15, antiderivative size = 18 \[ \int x^2 \left (a+b x^3\right )^{2/3} \, dx=\frac {\left (a+b x^3\right )^{5/3}}{5 b} \]
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Time = 0.00 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {267} \[ \int x^2 \left (a+b x^3\right )^{2/3} \, dx=\frac {\left (a+b x^3\right )^{5/3}}{5 b} \]
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Rule 267
Rubi steps \begin{align*} \text {integral}& = \frac {\left (a+b x^3\right )^{5/3}}{5 b} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int x^2 \left (a+b x^3\right )^{2/3} \, dx=\frac {\left (a+b x^3\right )^{5/3}}{5 b} \]
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Time = 3.79 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83
method | result | size |
gosper | \(\frac {\left (b \,x^{3}+a \right )^{\frac {5}{3}}}{5 b}\) | \(15\) |
derivativedivides | \(\frac {\left (b \,x^{3}+a \right )^{\frac {5}{3}}}{5 b}\) | \(15\) |
default | \(\frac {\left (b \,x^{3}+a \right )^{\frac {5}{3}}}{5 b}\) | \(15\) |
trager | \(\frac {\left (b \,x^{3}+a \right )^{\frac {5}{3}}}{5 b}\) | \(15\) |
risch | \(\frac {\left (b \,x^{3}+a \right )^{\frac {5}{3}}}{5 b}\) | \(15\) |
pseudoelliptic | \(\frac {\left (b \,x^{3}+a \right )^{\frac {5}{3}}}{5 b}\) | \(15\) |
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none
Time = 0.25 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.78 \[ \int x^2 \left (a+b x^3\right )^{2/3} \, dx=\frac {{\left (b x^{3} + a\right )}^{\frac {5}{3}}}{5 \, b} \]
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Leaf count of result is larger than twice the leaf count of optimal. 39 vs. \(2 (12) = 24\).
Time = 0.11 (sec) , antiderivative size = 39, normalized size of antiderivative = 2.17 \[ \int x^2 \left (a+b x^3\right )^{2/3} \, dx=\begin {cases} \frac {a \left (a + b x^{3}\right )^{\frac {2}{3}}}{5 b} + \frac {x^{3} \left (a + b x^{3}\right )^{\frac {2}{3}}}{5} & \text {for}\: b \neq 0 \\\frac {a^{\frac {2}{3}} x^{3}}{3} & \text {otherwise} \end {cases} \]
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none
Time = 0.19 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.78 \[ \int x^2 \left (a+b x^3\right )^{2/3} \, dx=\frac {{\left (b x^{3} + a\right )}^{\frac {5}{3}}}{5 \, b} \]
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none
Time = 0.28 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.78 \[ \int x^2 \left (a+b x^3\right )^{2/3} \, dx=\frac {{\left (b x^{3} + a\right )}^{\frac {5}{3}}}{5 \, b} \]
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Time = 5.74 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.78 \[ \int x^2 \left (a+b x^3\right )^{2/3} \, dx=\frac {{\left (b\,x^3+a\right )}^{5/3}}{5\,b} \]
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