Optimal. Leaf size=53 \[ \frac {3 a^2 (a+b x)^{2/3}}{2 b^3}-\frac {6 a (a+b x)^{5/3}}{5 b^3}+\frac {3 (a+b x)^{8/3}}{8 b^3} \]
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Rubi [A]
time = 0.01, antiderivative size = 53, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 1, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {45}
\begin {gather*} \frac {3 a^2 (a+b x)^{2/3}}{2 b^3}+\frac {3 (a+b x)^{8/3}}{8 b^3}-\frac {6 a (a+b x)^{5/3}}{5 b^3} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rubi steps
\begin {align*} \int \frac {x^2}{\sqrt [3]{a+b x}} \, dx &=\int \left (\frac {a^2}{b^2 \sqrt [3]{a+b x}}-\frac {2 a (a+b x)^{2/3}}{b^2}+\frac {(a+b x)^{5/3}}{b^2}\right ) \, dx\\ &=\frac {3 a^2 (a+b x)^{2/3}}{2 b^3}-\frac {6 a (a+b x)^{5/3}}{5 b^3}+\frac {3 (a+b x)^{8/3}}{8 b^3}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 35, normalized size = 0.66 \begin {gather*} \frac {3 (a+b x)^{2/3} \left (9 a^2-6 a b x+5 b^2 x^2\right )}{40 b^3} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.11, size = 38, normalized size = 0.72
method | result | size |
gosper | \(\frac {3 \left (b x +a \right )^{\frac {2}{3}} \left (5 x^{2} b^{2}-6 a b x +9 a^{2}\right )}{40 b^{3}}\) | \(32\) |
trager | \(\frac {3 \left (b x +a \right )^{\frac {2}{3}} \left (5 x^{2} b^{2}-6 a b x +9 a^{2}\right )}{40 b^{3}}\) | \(32\) |
risch | \(\frac {3 \left (b x +a \right )^{\frac {2}{3}} \left (5 x^{2} b^{2}-6 a b x +9 a^{2}\right )}{40 b^{3}}\) | \(32\) |
derivativedivides | \(\frac {\frac {3 \left (b x +a \right )^{\frac {8}{3}}}{8}-\frac {6 a \left (b x +a \right )^{\frac {5}{3}}}{5}+\frac {3 a^{2} \left (b x +a \right )^{\frac {2}{3}}}{2}}{b^{3}}\) | \(38\) |
default | \(\frac {\frac {3 \left (b x +a \right )^{\frac {8}{3}}}{8}-\frac {6 a \left (b x +a \right )^{\frac {5}{3}}}{5}+\frac {3 a^{2} \left (b x +a \right )^{\frac {2}{3}}}{2}}{b^{3}}\) | \(38\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 41, normalized size = 0.77 \begin {gather*} \frac {3 \, {\left (b x + a\right )}^{\frac {8}{3}}}{8 \, b^{3}} - \frac {6 \, {\left (b x + a\right )}^{\frac {5}{3}} a}{5 \, b^{3}} + \frac {3 \, {\left (b x + a\right )}^{\frac {2}{3}} a^{2}}{2 \, b^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.54, size = 31, normalized size = 0.58 \begin {gather*} \frac {3 \, {\left (5 \, b^{2} x^{2} - 6 \, a b x + 9 \, a^{2}\right )} {\left (b x + a\right )}^{\frac {2}{3}}}{40 \, b^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 600 vs.
\(2 (49) = 98\).
time = 0.82, size = 600, normalized size = 11.32 \begin {gather*} \frac {27 a^{\frac {32}{3}} \left (1 + \frac {b x}{a}\right )^{\frac {2}{3}}}{40 a^{8} b^{3} + 120 a^{7} b^{4} x + 120 a^{6} b^{5} x^{2} + 40 a^{5} b^{6} x^{3}} - \frac {27 a^{\frac {32}{3}}}{40 a^{8} b^{3} + 120 a^{7} b^{4} x + 120 a^{6} b^{5} x^{2} + 40 a^{5} b^{6} x^{3}} + \frac {63 a^{\frac {29}{3}} b x \left (1 + \frac {b x}{a}\right )^{\frac {2}{3}}}{40 a^{8} b^{3} + 120 a^{7} b^{4} x + 120 a^{6} b^{5} x^{2} + 40 a^{5} b^{6} x^{3}} - \frac {81 a^{\frac {29}{3}} b x}{40 a^{8} b^{3} + 120 a^{7} b^{4} x + 120 a^{6} b^{5} x^{2} + 40 a^{5} b^{6} x^{3}} + \frac {42 a^{\frac {26}{3}} b^{2} x^{2} \left (1 + \frac {b x}{a}\right )^{\frac {2}{3}}}{40 a^{8} b^{3} + 120 a^{7} b^{4} x + 120 a^{6} b^{5} x^{2} + 40 a^{5} b^{6} x^{3}} - \frac {81 a^{\frac {26}{3}} b^{2} x^{2}}{40 a^{8} b^{3} + 120 a^{7} b^{4} x + 120 a^{6} b^{5} x^{2} + 40 a^{5} b^{6} x^{3}} + \frac {18 a^{\frac {23}{3}} b^{3} x^{3} \left (1 + \frac {b x}{a}\right )^{\frac {2}{3}}}{40 a^{8} b^{3} + 120 a^{7} b^{4} x + 120 a^{6} b^{5} x^{2} + 40 a^{5} b^{6} x^{3}} - \frac {27 a^{\frac {23}{3}} b^{3} x^{3}}{40 a^{8} b^{3} + 120 a^{7} b^{4} x + 120 a^{6} b^{5} x^{2} + 40 a^{5} b^{6} x^{3}} + \frac {27 a^{\frac {20}{3}} b^{4} x^{4} \left (1 + \frac {b x}{a}\right )^{\frac {2}{3}}}{40 a^{8} b^{3} + 120 a^{7} b^{4} x + 120 a^{6} b^{5} x^{2} + 40 a^{5} b^{6} x^{3}} + \frac {15 a^{\frac {17}{3}} b^{5} x^{5} \left (1 + \frac {b x}{a}\right )^{\frac {2}{3}}}{40 a^{8} b^{3} + 120 a^{7} b^{4} x + 120 a^{6} b^{5} x^{2} + 40 a^{5} b^{6} x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.72, size = 37, normalized size = 0.70 \begin {gather*} \frac {3 \, {\left (5 \, {\left (b x + a\right )}^{\frac {8}{3}} - 16 \, {\left (b x + a\right )}^{\frac {5}{3}} a + 20 \, {\left (b x + a\right )}^{\frac {2}{3}} a^{2}\right )}}{40 \, b^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.04, size = 37, normalized size = 0.70 \begin {gather*} \frac {15\,{\left (a+b\,x\right )}^{8/3}-48\,a\,{\left (a+b\,x\right )}^{5/3}+60\,a^2\,{\left (a+b\,x\right )}^{2/3}}{40\,b^3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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