Optimal. Leaf size=17 \[ -\frac {a}{2 x^2}+\frac {b x^2}{2} \]
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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}
\begin {gather*} \frac {b x^2}{2}-\frac {a}{2 x^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin {align*} \int \frac {a+b x^4}{x^3} \, dx &=\int \left (\frac {a}{x^3}+b x\right ) \, dx\\ &=-\frac {a}{2 x^2}+\frac {b x^2}{2}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 17, normalized size = 1.00 \begin {gather*} -\frac {a}{2 x^2}+\frac {b x^2}{2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.01, size = 14, normalized size = 0.82
method | result | size |
gosper | \(-\frac {-b \,x^{4}+a}{2 x^{2}}\) | \(14\) |
default | \(-\frac {a}{2 x^{2}}+\frac {b \,x^{2}}{2}\) | \(14\) |
risch | \(-\frac {a}{2 x^{2}}+\frac {b \,x^{2}}{2}\) | \(14\) |
norman | \(\frac {\frac {b \,x^{4}}{2}-\frac {a}{2}}{x^{2}}\) | \(15\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 13, normalized size = 0.76 \begin {gather*} \frac {1}{2} \, b x^{2} - \frac {a}{2 \, x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.36, size = 14, normalized size = 0.82 \begin {gather*} \frac {b x^{4} - a}{2 \, x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.02, size = 12, normalized size = 0.71 \begin {gather*} - \frac {a}{2 x^{2}} + \frac {b x^{2}}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.34, size = 13, normalized size = 0.76 \begin {gather*} \frac {1}{2} \, b x^{2} - \frac {a}{2 \, x^{2}} \end {gather*}
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 \begin {gather*} -\frac {a-b\,x^4}{2\,x^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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