Optimal. Leaf size=35 \[ \frac {a x^2}{2}-\frac {x^6}{6}+\frac {4 x^5}{5}-2 x^4+\frac {8 x^3}{3} \]
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Rubi [A] time = 0.01, antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.045, Rules used = {14} \[ \frac {a x^2}{2}-\frac {x^6}{6}+\frac {4 x^5}{5}-2 x^4+\frac {8 x^3}{3} \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin {align*} \int x \left (a+8 x-8 x^2+4 x^3-x^4\right ) \, dx &=\int \left (a x+8 x^2-8 x^3+4 x^4-x^5\right ) \, dx\\ &=\frac {a x^2}{2}+\frac {8 x^3}{3}-2 x^4+\frac {4 x^5}{5}-\frac {x^6}{6}\\ \end {align*}
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Mathematica [A] time = 0.00, size = 35, normalized size = 1.00 \[ \frac {a x^2}{2}-\frac {x^6}{6}+\frac {4 x^5}{5}-2 x^4+\frac {8 x^3}{3} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.40, size = 27, normalized size = 0.77 \[ -\frac {1}{6} x^{6} + \frac {4}{5} x^{5} - 2 x^{4} + \frac {8}{3} x^{3} + \frac {1}{2} x^{2} a \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.36, size = 27, normalized size = 0.77 \[ -\frac {1}{6} \, x^{6} + \frac {4}{5} \, x^{5} - 2 \, x^{4} + \frac {1}{2} \, a x^{2} + \frac {8}{3} \, x^{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 28, normalized size = 0.80 \[ -\frac {1}{6} x^{6}+\frac {4}{5} x^{5}-2 x^{4}+\frac {1}{2} a \,x^{2}+\frac {8}{3} x^{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.61, size = 27, normalized size = 0.77 \[ -\frac {1}{6} \, x^{6} + \frac {4}{5} \, x^{5} - 2 \, x^{4} + \frac {1}{2} \, a x^{2} + \frac {8}{3} \, x^{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.02, size = 27, normalized size = 0.77 \[ -\frac {x^6}{6}+\frac {4\,x^5}{5}-2\,x^4+\frac {8\,x^3}{3}+\frac {a\,x^2}{2} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.06, size = 29, normalized size = 0.83 \[ \frac {a x^{2}}{2} - \frac {x^{6}}{6} + \frac {4 x^{5}}{5} - 2 x^{4} + \frac {8 x^{3}}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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