Optimal. Leaf size=17 \[ \frac {a x^9}{9}+\frac {b x^{16}}{16} \]
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Rubi [A] time = 0.00, antiderivative size = 17, 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 = {14} \[ \frac {a x^9}{9}+\frac {b x^{16}}{16} \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin {align*} \int x^8 \left (a+b x^7\right ) \, dx &=\int \left (a x^8+b x^{15}\right ) \, dx\\ &=\frac {a x^9}{9}+\frac {b x^{16}}{16}\\ \end {align*}
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Mathematica [A] time = 0.00, size = 17, normalized size = 1.00 \[ \frac {a x^9}{9}+\frac {b x^{16}}{16} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.47, size = 13, normalized size = 0.76 \[ \frac {1}{16} x^{16} b + \frac {1}{9} x^{9} a \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.19, size = 13, normalized size = 0.76 \[ \frac {1}{16} \, b x^{16} + \frac {1}{9} \, a x^{9} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 14, normalized size = 0.82 \[ \frac {1}{16} b \,x^{16}+\frac {1}{9} a \,x^{9} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.96, size = 13, normalized size = 0.76 \[ \frac {1}{16} \, b x^{16} + \frac {1}{9} \, a x^{9} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.02, size = 13, normalized size = 0.76 \[ \frac {b\,x^{16}}{16}+\frac {a\,x^9}{9} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.07, size = 12, normalized size = 0.71 \[ \frac {a x^{9}}{9} + \frac {b x^{16}}{16} \]
Verification of antiderivative is not currently implemented for this CAS.
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