Optimal. Leaf size=27 \[ -\frac {a^2}{2 x^2}+a b x^2+\frac {b^2 x^6}{6} \]
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Rubi [A]
time = 0.01, antiderivative size = 27, 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}{2 x^2}+a b x^2+\frac {b^2 x^6}{6} \end {gather*}
Antiderivative was successfully verified.
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Rule 276
Rubi steps
\begin {align*} \int \frac {\left (a+b x^4\right )^2}{x^3} \, dx &=\int \left (\frac {a^2}{x^3}+2 a b x+b^2 x^5\right ) \, dx\\ &=-\frac {a^2}{2 x^2}+a b x^2+\frac {b^2 x^6}{6}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 27, normalized size = 1.00 \begin {gather*} -\frac {a^2}{2 x^2}+a b x^2+\frac {b^2 x^6}{6} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.13, size = 24, normalized size = 0.89
method | result | size |
default | \(-\frac {a^{2}}{2 x^{2}}+a b \,x^{2}+\frac {b^{2} x^{6}}{6}\) | \(24\) |
risch | \(-\frac {a^{2}}{2 x^{2}}+a b \,x^{2}+\frac {b^{2} x^{6}}{6}\) | \(24\) |
norman | \(\frac {\frac {1}{6} b^{2} x^{8}+a b \,x^{4}-\frac {1}{2} a^{2}}{x^{2}}\) | \(25\) |
gosper | \(-\frac {-b^{2} x^{8}-6 a b \,x^{4}+3 a^{2}}{6 x^{2}}\) | \(27\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 23, normalized size = 0.85 \begin {gather*} \frac {1}{6} \, b^{2} x^{6} + a b x^{2} - \frac {a^{2}}{2 \, x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.34, size = 25, normalized size = 0.93 \begin {gather*} \frac {b^{2} x^{8} + 6 \, a b x^{4} - 3 \, a^{2}}{6 \, x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.03, size = 22, normalized size = 0.81 \begin {gather*} - \frac {a^{2}}{2 x^{2}} + a b x^{2} + \frac {b^{2} x^{6}}{6} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.58, size = 23, normalized size = 0.85 \begin {gather*} \frac {1}{6} \, b^{2} x^{6} + a b x^{2} - \frac {a^{2}}{2 \, x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.03, size = 25, normalized size = 0.93 \begin {gather*} \frac {-3\,a^2+6\,a\,b\,x^4+b^2\,x^8}{6\,x^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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