Optimal. Leaf size=19 \[ -\frac {1}{2 b x \sqrt {b x^2}} \]
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Rubi [A]
time = 0.00, antiderivative size = 19, 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 {1}{2 b x \sqrt {b x^2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 15
Rule 30
Rubi steps
\begin {align*} \int \frac {1}{\left (b x^2\right )^{3/2}} \, dx &=\frac {x \int \frac {1}{x^3} \, dx}{b \sqrt {b x^2}}\\ &=-\frac {1}{2 b x \sqrt {b x^2}}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 14, normalized size = 0.74 \begin {gather*} -\frac {x}{2 \left (b x^2\right )^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.02, size = 11, normalized size = 0.58
method | result | size |
gosper | \(-\frac {x}{2 \left (b \,x^{2}\right )^{\frac {3}{2}}}\) | \(11\) |
default | \(-\frac {x}{2 \left (b \,x^{2}\right )^{\frac {3}{2}}}\) | \(11\) |
risch | \(-\frac {1}{2 b x \sqrt {b \,x^{2}}}\) | \(16\) |
trager | \(\frac {\left (x -1\right ) \left (x +1\right ) \sqrt {b \,x^{2}}}{2 b^{2} x^{3}}\) | \(22\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 8, normalized size = 0.42 \begin {gather*} -\frac {1}{2 \, b^{\frac {3}{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 = 15, normalized size = 0.79 \begin {gather*} -\frac {\sqrt {b x^{2}}}{2 \, b^{2} x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.19, size = 12, normalized size = 0.63 \begin {gather*} - \frac {x}{2 \left (b x^{2}\right )^{\frac {3}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.97, size = 12, normalized size = 0.63 \begin {gather*} -\frac {1}{2 \, b^{\frac {3}{2}} x^{2} \mathrm {sgn}\left (x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.91, size = 13, normalized size = 0.68 \begin {gather*} -\frac {1}{2\,b^{3/2}\,x\,\sqrt {x^2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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