Optimal. Leaf size=21 \[ -\frac {2 x}{b \sqrt {a x^2+b x^3}} \]
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Rubi [A]
time = 0.01, antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.053, Rules used = {1602}
\begin {gather*} -\frac {2 x}{b \sqrt {a x^2+b x^3}} \end {gather*}
Antiderivative was successfully verified.
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Rule 1602
Rubi steps
\begin {align*} \int \frac {x^3}{\left (a x^2+b x^3\right )^{3/2}} \, dx &=-\frac {2 x}{b \sqrt {a x^2+b x^3}}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 19, normalized size = 0.90 \begin {gather*} -\frac {2 x}{b \sqrt {x^2 (a+b x)}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.36, size = 27, normalized size = 1.29
method | result | size |
gosper | \(-\frac {2 \left (b x +a \right ) x^{3}}{b \left (b \,x^{3}+a \,x^{2}\right )^{\frac {3}{2}}}\) | \(27\) |
default | \(-\frac {2 \left (b x +a \right ) x^{3}}{b \left (b \,x^{3}+a \,x^{2}\right )^{\frac {3}{2}}}\) | \(27\) |
trager | \(-\frac {2 \sqrt {b \,x^{3}+a \,x^{2}}}{\left (b x +a \right ) b x}\) | \(29\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.31, size = 12, normalized size = 0.57 \begin {gather*} -\frac {2}{\sqrt {b x + a} b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.67, size = 29, normalized size = 1.38 \begin {gather*} -\frac {2 \, \sqrt {b x^{3} + a x^{2}}}{b^{2} x^{2} + a b x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x^{3}}{\left (x^{2} \left (a + b x\right )\right )^{\frac {3}{2}}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.32, size = 27, normalized size = 1.29 \begin {gather*} \frac {2 \, \mathrm {sgn}\left (x\right )}{\sqrt {a} b} - \frac {2}{\sqrt {b x + a} b \mathrm {sgn}\left (x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 5.07, size = 28, normalized size = 1.33 \begin {gather*} -\frac {2\,\sqrt {b\,x^3+a\,x^2}}{b\,x\,\left (a+b\,x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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