Optimal. Leaf size=70 \[ \frac {3 a^3}{b^4 \sqrt [3]{a+b x}}+\frac {9 a^2 (a+b x)^{2/3}}{2 b^4}-\frac {9 a (a+b x)^{5/3}}{5 b^4}+\frac {3 (a+b x)^{8/3}}{8 b^4} \]
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Rubi [A]
time = 0.01, antiderivative size = 70, 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^3}{b^4 \sqrt [3]{a+b x}}+\frac {9 a^2 (a+b x)^{2/3}}{2 b^4}-\frac {9 a (a+b x)^{5/3}}{5 b^4}+\frac {3 (a+b x)^{8/3}}{8 b^4} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rubi steps
\begin {align*} \int \frac {x^3}{(a+b x)^{4/3}} \, dx &=\int \left (-\frac {a^3}{b^3 (a+b x)^{4/3}}+\frac {3 a^2}{b^3 \sqrt [3]{a+b x}}-\frac {3 a (a+b x)^{2/3}}{b^3}+\frac {(a+b x)^{5/3}}{b^3}\right ) \, dx\\ &=\frac {3 a^3}{b^4 \sqrt [3]{a+b x}}+\frac {9 a^2 (a+b x)^{2/3}}{2 b^4}-\frac {9 a (a+b x)^{5/3}}{5 b^4}+\frac {3 (a+b x)^{8/3}}{8 b^4}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 46, normalized size = 0.66 \begin {gather*} \frac {3 \left (81 a^3+27 a^2 b x-9 a b^2 x^2+5 b^3 x^3\right )}{40 b^4 \sqrt [3]{a+b x}} \end {gather*}
Antiderivative was successfully verified.
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Mathics [B] Leaf count is larger than twice the leaf count of optimal. \(295\) vs. \(2(70)=140\).
time = 14.77, size = 277, normalized size = 3.96 \begin {gather*} \frac {3 a^{\frac {2}{3}} \left (81 a^8 \left (-1+\left (\frac {a+b x}{a}\right )^{\frac {2}{3}}\right )+54 a^7 b x \left (-9+8 \left (\frac {a+b x}{a}\right )^{\frac {2}{3}}\right )+9 a^6 b^2 x^2 \left (-135+104 \left (\frac {a+b x}{a}\right )^{\frac {2}{3}}\right )+20 a^5 b^3 x^3 \left (-81+52 \left (\frac {a+b x}{a}\right )^{\frac {2}{3}}\right )+5 b^4 x^4 \left (-243 a^4+b^4 x^4 \left (\frac {a+b x}{a}\right )^{\frac {2}{3}}\right )+610 a^4 b^4 x^4 \left (\frac {a+b x}{a}\right )^{\frac {2}{3}}+16 a b^5 x^5 \left (11 a^2+2 a b x+b^2 x^2\right ) \left (\frac {a+b x}{a}\right )^{\frac {2}{3}}-486 a^3 b^5 x^5-81 a^2 b^6 x^6\right )}{40 b^4 \left (a^6+6 a^5 b x+15 a^4 b^2 x^2+20 a^3 b^3 x^3+15 a^2 b^4 x^4+6 a b^5 x^5+b^6 x^6\right )} \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [A]
time = 0.12, size = 49, normalized size = 0.70
method | result | size |
gosper | \(\frac {\frac {3}{8} b^{3} x^{3}-\frac {27}{40} a \,b^{2} x^{2}+\frac {81}{40} a^{2} b x +\frac {243}{40} a^{3}}{\left (b x +a \right )^{\frac {1}{3}} b^{4}}\) | \(43\) |
trager | \(\frac {\frac {3}{8} b^{3} x^{3}-\frac {27}{40} a \,b^{2} x^{2}+\frac {81}{40} a^{2} b x +\frac {243}{40} a^{3}}{\left (b x +a \right )^{\frac {1}{3}} b^{4}}\) | \(43\) |
risch | \(\frac {3 \left (5 x^{2} b^{2}-14 a b x +41 a^{2}\right ) \left (b x +a \right )^{\frac {2}{3}}}{40 b^{4}}+\frac {3 a^{3}}{b^{4} \left (b x +a \right )^{\frac {1}{3}}}\) | \(48\) |
derivativedivides | \(\frac {\frac {3 \left (b x +a \right )^{\frac {8}{3}}}{8}-\frac {9 a \left (b x +a \right )^{\frac {5}{3}}}{5}+\frac {9 a^{2} \left (b x +a \right )^{\frac {2}{3}}}{2}+\frac {3 a^{3}}{\left (b x +a \right )^{\frac {1}{3}}}}{b^{4}}\) | \(49\) |
default | \(\frac {\frac {3 \left (b x +a \right )^{\frac {8}{3}}}{8}-\frac {9 a \left (b x +a \right )^{\frac {5}{3}}}{5}+\frac {9 a^{2} \left (b x +a \right )^{\frac {2}{3}}}{2}+\frac {3 a^{3}}{\left (b x +a \right )^{\frac {1}{3}}}}{b^{4}}\) | \(49\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 56, normalized size = 0.80 \begin {gather*} \frac {3 \, {\left (b x + a\right )}^{\frac {8}{3}}}{8 \, b^{4}} - \frac {9 \, {\left (b x + a\right )}^{\frac {5}{3}} a}{5 \, b^{4}} + \frac {9 \, {\left (b x + a\right )}^{\frac {2}{3}} a^{2}}{2 \, b^{4}} + \frac {3 \, a^{3}}{{\left (b x + a\right )}^{\frac {1}{3}} b^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.30, size = 52, normalized size = 0.74 \begin {gather*} \frac {3 \, {\left (5 \, b^{3} x^{3} - 9 \, a b^{2} x^{2} + 27 \, a^{2} b x + 81 \, a^{3}\right )} {\left (b x + a\right )}^{\frac {2}{3}}}{40 \, {\left (b^{5} x + a b^{4}\right )}} \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. 1538 vs.
\(2 (66) = 132\).
time = 1.38, size = 1538, normalized size = 21.97
result too large to display
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.00, size = 97, normalized size = 1.39 \begin {gather*} 3 \left (\frac {\frac {1}{8} \left (\left (a+b x\right )^{\frac {1}{3}}\right )^{2} \left (a+b x\right )^{2} b^{28}-\frac {3}{5} \left (\left (a+b x\right )^{\frac {1}{3}}\right )^{2} \left (a+b x\right ) a b^{28}+\frac {3}{2} \left (\left (a+b x\right )^{\frac {1}{3}}\right )^{2} a^{2} b^{28}}{b^{32}}+\frac {a^{3}}{b^{4} \left (a+b x\right )^{\frac {1}{3}}}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.05, size = 56, normalized size = 0.80 \begin {gather*} \frac {3\,{\left (a+b\,x\right )}^{8/3}}{8\,b^4}+\frac {9\,a^2\,{\left (a+b\,x\right )}^{2/3}}{2\,b^4}+\frac {3\,a^3}{b^4\,{\left (a+b\,x\right )}^{1/3}}-\frac {9\,a\,{\left (a+b\,x\right )}^{5/3}}{5\,b^4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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