Optimal. Leaf size=30 \[ \frac {a^2 x^9}{9}+\frac {1}{8} a b x^{16}+\frac {b^2 x^{23}}{23} \]
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Rubi [A]
time = 0.01, antiderivative size = 30, 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 = {276}
\begin {gather*} \frac {a^2 x^9}{9}+\frac {1}{8} a b x^{16}+\frac {b^2 x^{23}}{23} \end {gather*}
Antiderivative was successfully verified.
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Rule 276
Rubi steps
\begin {align*} \int x^8 \left (a+b x^7\right )^2 \, dx &=\int \left (a^2 x^8+2 a b x^{15}+b^2 x^{22}\right ) \, dx\\ &=\frac {a^2 x^9}{9}+\frac {1}{8} a b x^{16}+\frac {b^2 x^{23}}{23}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 30, normalized size = 1.00 \begin {gather*} \frac {a^2 x^9}{9}+\frac {1}{8} a b x^{16}+\frac {b^2 x^{23}}{23} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.17, size = 25, normalized size = 0.83
method | result | size |
gosper | \(\frac {1}{9} a^{2} x^{9}+\frac {1}{8} a b \,x^{16}+\frac {1}{23} b^{2} x^{23}\) | \(25\) |
default | \(\frac {1}{9} a^{2} x^{9}+\frac {1}{8} a b \,x^{16}+\frac {1}{23} b^{2} x^{23}\) | \(25\) |
norman | \(\frac {1}{9} a^{2} x^{9}+\frac {1}{8} a b \,x^{16}+\frac {1}{23} b^{2} x^{23}\) | \(25\) |
risch | \(\frac {1}{9} a^{2} x^{9}+\frac {1}{8} a b \,x^{16}+\frac {1}{23} b^{2} x^{23}\) | \(25\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 24, normalized size = 0.80 \begin {gather*} \frac {1}{23} \, b^{2} x^{23} + \frac {1}{8} \, a b x^{16} + \frac {1}{9} \, a^{2} x^{9} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 24, normalized size = 0.80 \begin {gather*} \frac {1}{23} \, b^{2} x^{23} + \frac {1}{8} \, a b x^{16} + \frac {1}{9} \, a^{2} x^{9} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.01, size = 24, normalized size = 0.80 \begin {gather*} \frac {a^{2} x^{9}}{9} + \frac {a b x^{16}}{8} + \frac {b^{2} x^{23}}{23} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.81, size = 24, normalized size = 0.80 \begin {gather*} \frac {1}{23} \, b^{2} x^{23} + \frac {1}{8} \, a b x^{16} + \frac {1}{9} \, a^{2} x^{9} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.04, size = 24, normalized size = 0.80 \begin {gather*} \frac {a^2\,x^9}{9}+\frac {a\,b\,x^{16}}{8}+\frac {b^2\,x^{23}}{23} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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