Optimal. Leaf size=14 \[ -\frac {3}{5} \left (\frac {b}{x^4}\right )^{2/3} x \]
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Rubi [A]
time = 0.00, antiderivative size = 14, 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 {3}{5} x \left (\frac {b}{x^4}\right )^{2/3} \end {gather*}
Antiderivative was successfully verified.
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Rule 15
Rule 30
Rubi steps
\begin {align*} \int \left (\frac {b}{x^4}\right )^{2/3} \, dx &=\left (\left (\frac {b}{x^4}\right )^{2/3} x^{8/3}\right ) \int \frac {1}{x^{8/3}} \, dx\\ &=-\frac {3}{5} \left (\frac {b}{x^4}\right )^{2/3} x\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 14, normalized size = 1.00 \begin {gather*} -\frac {3}{5} \left (\frac {b}{x^4}\right )^{2/3} x \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.03, size = 11, normalized size = 0.79
method | result | size |
gosper | \(-\frac {3 \left (\frac {b}{x^{4}}\right )^{\frac {2}{3}} x}{5}\) | \(11\) |
trager | \(-\frac {3 \left (\frac {b}{x^{4}}\right )^{\frac {2}{3}} x}{5}\) | \(11\) |
risch | \(-\frac {3 \left (\frac {b}{x^{4}}\right )^{\frac {2}{3}} x}{5}\) | \(11\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 10, normalized size = 0.71 \begin {gather*} -\frac {3}{5} \, x \left (\frac {b}{x^{4}}\right )^{\frac {2}{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 10, normalized size = 0.71 \begin {gather*} -\frac {3}{5} \, x \left (\frac {b}{x^{4}}\right )^{\frac {2}{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.15, size = 14, normalized size = 1.00 \begin {gather*} - \frac {3 x \left (\frac {b}{x^{4}}\right )^{\frac {2}{3}}}{5} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.32, size = 10, normalized size = 0.71 \begin {gather*} -\frac {3}{5} \, x \left (\frac {b}{x^{4}}\right )^{\frac {2}{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.92, size = 11, normalized size = 0.79 \begin {gather*} -\frac {3\,b^{2/3}\,x\,{\left (\frac {1}{x^4}\right )}^{2/3}}{5} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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