Integrand size = 13, antiderivative size = 23 \[ \int x^2 \left (a+b x^3\right )^p \, dx=\frac {\left (a+b x^3\right )^{1+p}}{3 b (1+p)} \]
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Time = 0.00 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {267} \[ \int x^2 \left (a+b x^3\right )^p \, dx=\frac {\left (a+b x^3\right )^{p+1}}{3 b (p+1)} \]
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Rule 267
Rubi steps \begin{align*} \text {integral}& = \frac {\left (a+b x^3\right )^{1+p}}{3 b (1+p)} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int x^2 \left (a+b x^3\right )^p \, dx=\frac {\left (a+b x^3\right )^{1+p}}{3 b (1+p)} \]
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Time = 3.85 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96
method | result | size |
gosper | \(\frac {\left (b \,x^{3}+a \right )^{1+p}}{3 b \left (1+p \right )}\) | \(22\) |
derivativedivides | \(\frac {\left (b \,x^{3}+a \right )^{1+p}}{3 b \left (1+p \right )}\) | \(22\) |
default | \(\frac {\left (b \,x^{3}+a \right )^{1+p}}{3 b \left (1+p \right )}\) | \(22\) |
risch | \(\frac {\left (b \,x^{3}+a \right ) \left (b \,x^{3}+a \right )^{p}}{3 b \left (1+p \right )}\) | \(27\) |
parallelrisch | \(\frac {x^{3} \left (b \,x^{3}+a \right )^{p} a b +a^{2} \left (b \,x^{3}+a \right )^{p}}{3 a \left (1+p \right ) b}\) | \(43\) |
norman | \(\frac {x^{3} {\mathrm e}^{p \ln \left (b \,x^{3}+a \right )}}{3+3 p}+\frac {a \,{\mathrm e}^{p \ln \left (b \,x^{3}+a \right )}}{3 b \left (1+p \right )}\) | \(45\) |
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none
Time = 0.25 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.09 \[ \int x^2 \left (a+b x^3\right )^p \, dx=\frac {{\left (b x^{3} + a\right )} {\left (b x^{3} + a\right )}^{p}}{3 \, {\left (b p + b\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 104 vs. \(2 (15) = 30\).
Time = 0.56 (sec) , antiderivative size = 104, normalized size of antiderivative = 4.52 \[ \int x^2 \left (a+b x^3\right )^p \, dx=\begin {cases} \frac {x^{3}}{3 a} & \text {for}\: b = 0 \wedge p = -1 \\\frac {a^{p} x^{3}}{3} & \text {for}\: b = 0 \\\frac {\log {\left (x - \sqrt [3]{- \frac {a}{b}} \right )}}{3 b} + \frac {\log {\left (4 x^{2} + 4 x \sqrt [3]{- \frac {a}{b}} + 4 \left (- \frac {a}{b}\right )^{\frac {2}{3}} \right )}}{3 b} & \text {for}\: p = -1 \\\frac {a \left (a + b x^{3}\right )^{p}}{3 b p + 3 b} + \frac {b x^{3} \left (a + b x^{3}\right )^{p}}{3 b p + 3 b} & \text {otherwise} \end {cases} \]
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none
Time = 0.21 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int x^2 \left (a+b x^3\right )^p \, dx=\frac {{\left (b x^{3} + a\right )}^{p + 1}}{3 \, b {\left (p + 1\right )}} \]
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none
Time = 0.28 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int x^2 \left (a+b x^3\right )^p \, dx=\frac {{\left (b x^{3} + a\right )}^{p + 1}}{3 \, b {\left (p + 1\right )}} \]
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Time = 5.55 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int x^2 \left (a+b x^3\right )^p \, dx=\frac {{\left (b\,x^3+a\right )}^{p+1}}{3\,b\,\left (p+1\right )} \]
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