Optimal. Leaf size=12 \[ -\frac {x}{\left (b x^3\right )^{2/3}} \]
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Rubi [A]
time = 0.00, antiderivative size = 12, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {15, 30}
\begin {gather*} -\frac {x}{\left (b x^3\right )^{2/3}} \end {gather*}
Antiderivative was successfully verified.
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Rule 15
Rule 30
Rubi steps
\begin {align*} \int \frac {1}{\left (b x^3\right )^{2/3}} \, dx &=\frac {x^2 \int \frac {1}{x^2} \, dx}{\left (b x^3\right )^{2/3}}\\ &=-\frac {x}{\left (b x^3\right )^{2/3}}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 12, normalized size = 1.00 \begin {gather*} -\frac {x}{\left (b x^3\right )^{2/3}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.02, size = 11, normalized size = 0.92
method | result | size |
gosper | \(-\frac {x}{\left (b \,x^{3}\right )^{\frac {2}{3}}}\) | \(11\) |
risch | \(-\frac {x}{\left (b \,x^{3}\right )^{\frac {2}{3}}}\) | \(11\) |
trager | \(\frac {\left (x -1\right ) \left (b \,x^{3}\right )^{\frac {1}{3}}}{b \,x^{2}}\) | \(18\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 10, normalized size = 0.83 \begin {gather*} -\frac {x}{\left (b x^{3}\right )^{\frac {2}{3}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.34, size = 15, normalized size = 1.25 \begin {gather*} -\frac {\left (b x^{3}\right )^{\frac {1}{3}}}{b x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.17, size = 10, normalized size = 0.83 \begin {gather*} - \frac {x}{\left (b x^{3}\right )^{\frac {2}{3}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.05, size = 10, normalized size = 0.83 \begin {gather*} -\frac {x}{\left (b x^{3}\right )^{\frac {2}{3}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.93, size = 15, normalized size = 1.25 \begin {gather*} -\frac {{\left (b\,x^3\right )}^{1/3}}{b\,x^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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