Optimal. Leaf size=16 \[ \frac {\left (a+b x^3\right )^9}{27 b} \]
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Rubi [A]
time = 0.00, antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {267}
\begin {gather*} \frac {\left (a+b x^3\right )^9}{27 b} \end {gather*}
Antiderivative was successfully verified.
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Rule 267
Rubi steps
\begin {align*} \int x^2 \left (a+b x^3\right )^8 \, dx &=\frac {\left (a+b x^3\right )^9}{27 b}\\ \end {align*}
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Mathematica [B] Leaf count is larger than twice the leaf count of optimal. \(108\) vs. \(2(16)=32\).
time = 0.00, size = 108, normalized size = 6.75 \begin {gather*} \frac {a^8 x^3}{3}+\frac {4}{3} a^7 b x^6+\frac {28}{9} a^6 b^2 x^9+\frac {14}{3} a^5 b^3 x^{12}+\frac {14}{3} a^4 b^4 x^{15}+\frac {28}{9} a^3 b^5 x^{18}+\frac {4}{3} a^2 b^6 x^{21}+\frac {1}{3} a b^7 x^{24}+\frac {b^8 x^{27}}{27} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.12, size = 15, normalized size = 0.94
method | result | size |
default | \(\frac {\left (b \,x^{3}+a \right )^{9}}{27 b}\) | \(15\) |
gosper | \(\frac {4}{3} a^{2} b^{6} x^{21}+\frac {1}{3} a \,b^{7} x^{24}+\frac {1}{27} b^{8} x^{27}+\frac {14}{3} a^{5} b^{3} x^{12}+\frac {14}{3} a^{4} b^{4} x^{15}+\frac {28}{9} a^{3} b^{5} x^{18}+\frac {1}{3} a^{8} x^{3}+\frac {4}{3} a^{7} b \,x^{6}+\frac {28}{9} a^{6} b^{2} x^{9}\) | \(91\) |
norman | \(\frac {4}{3} a^{2} b^{6} x^{21}+\frac {1}{3} a \,b^{7} x^{24}+\frac {1}{27} b^{8} x^{27}+\frac {14}{3} a^{5} b^{3} x^{12}+\frac {14}{3} a^{4} b^{4} x^{15}+\frac {28}{9} a^{3} b^{5} x^{18}+\frac {1}{3} a^{8} x^{3}+\frac {4}{3} a^{7} b \,x^{6}+\frac {28}{9} a^{6} b^{2} x^{9}\) | \(91\) |
risch | \(\frac {b^{8} x^{27}}{27}+\frac {a \,b^{7} x^{24}}{3}+\frac {4 a^{2} b^{6} x^{21}}{3}+\frac {28 a^{3} b^{5} x^{18}}{9}+\frac {14 a^{4} b^{4} x^{15}}{3}+\frac {14 a^{5} b^{3} x^{12}}{3}+\frac {28 a^{6} b^{2} x^{9}}{9}+\frac {4 a^{7} b \,x^{6}}{3}+\frac {a^{8} x^{3}}{3}+\frac {a^{9}}{27 b}\) | \(99\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 14, normalized size = 0.88 \begin {gather*} \frac {{\left (b x^{3} + a\right )}^{9}}{27 \, b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 90 vs.
\(2 (14) = 28\).
time = 0.35, size = 90, normalized size = 5.62 \begin {gather*} \frac {1}{27} \, b^{8} x^{27} + \frac {1}{3} \, a b^{7} x^{24} + \frac {4}{3} \, a^{2} b^{6} x^{21} + \frac {28}{9} \, a^{3} b^{5} x^{18} + \frac {14}{3} \, a^{4} b^{4} x^{15} + \frac {14}{3} \, a^{5} b^{3} x^{12} + \frac {28}{9} \, a^{6} b^{2} x^{9} + \frac {4}{3} \, a^{7} b x^{6} + \frac {1}{3} \, a^{8} x^{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. 105 vs.
\(2 (10) = 20\).
time = 0.02, size = 105, normalized size = 6.56 \begin {gather*} \frac {a^{8} x^{3}}{3} + \frac {4 a^{7} b x^{6}}{3} + \frac {28 a^{6} b^{2} x^{9}}{9} + \frac {14 a^{5} b^{3} x^{12}}{3} + \frac {14 a^{4} b^{4} x^{15}}{3} + \frac {28 a^{3} b^{5} x^{18}}{9} + \frac {4 a^{2} b^{6} x^{21}}{3} + \frac {a b^{7} x^{24}}{3} + \frac {b^{8} x^{27}}{27} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.51, size = 14, normalized size = 0.88 \begin {gather*} \frac {{\left (b x^{3} + a\right )}^{9}}{27 \, b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.09, size = 14, normalized size = 0.88 \begin {gather*} \frac {{\left (b\,x^3+a\right )}^9}{27\,b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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