Optimal. Leaf size=43 \[ \frac {a^3 x^4}{4}+\frac {3}{5} a^2 b x^5+\frac {1}{2} a b^2 x^6+\frac {b^3 x^7}{7} \]
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Rubi [A] time = 0.02, antiderivative size = 43, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {43} \begin {gather*} \frac {3}{5} a^2 b x^5+\frac {a^3 x^4}{4}+\frac {1}{2} a b^2 x^6+\frac {b^3 x^7}{7} \end {gather*}
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin {align*} \int x^3 (a+b x)^3 \, dx &=\int \left (a^3 x^3+3 a^2 b x^4+3 a b^2 x^5+b^3 x^6\right ) \, dx\\ &=\frac {a^3 x^4}{4}+\frac {3}{5} a^2 b x^5+\frac {1}{2} a b^2 x^6+\frac {b^3 x^7}{7}\\ \end {align*}
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Mathematica [A] time = 0.00, size = 43, normalized size = 1.00 \begin {gather*} \frac {a^3 x^4}{4}+\frac {3}{5} a^2 b x^5+\frac {1}{2} a b^2 x^6+\frac {b^3 x^7}{7} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int x^3 (a+b x)^3 \, dx \end {gather*}
Verification is not applicable to the result.
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fricas [A] time = 0.69, size = 35, normalized size = 0.81 \begin {gather*} \frac {1}{7} x^{7} b^{3} + \frac {1}{2} x^{6} b^{2} a + \frac {3}{5} x^{5} b a^{2} + \frac {1}{4} x^{4} a^{3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.27, size = 35, normalized size = 0.81 \begin {gather*} \frac {1}{7} \, b^{3} x^{7} + \frac {1}{2} \, a b^{2} x^{6} + \frac {3}{5} \, a^{2} b x^{5} + \frac {1}{4} \, a^{3} x^{4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 36, normalized size = 0.84 \begin {gather*} \frac {1}{7} b^{3} x^{7}+\frac {1}{2} a \,b^{2} x^{6}+\frac {3}{5} a^{2} b \,x^{5}+\frac {1}{4} a^{3} x^{4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.35, size = 35, normalized size = 0.81 \begin {gather*} \frac {1}{7} \, b^{3} x^{7} + \frac {1}{2} \, a b^{2} x^{6} + \frac {3}{5} \, a^{2} b x^{5} + \frac {1}{4} \, a^{3} x^{4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.04, size = 35, normalized size = 0.81 \begin {gather*} \frac {a^3\,x^4}{4}+\frac {3\,a^2\,b\,x^5}{5}+\frac {a\,b^2\,x^6}{2}+\frac {b^3\,x^7}{7} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.07, size = 37, normalized size = 0.86 \begin {gather*} \frac {a^{3} x^{4}}{4} + \frac {3 a^{2} b x^{5}}{5} + \frac {a b^{2} x^{6}}{2} + \frac {b^{3} x^{7}}{7} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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