Optimal. Leaf size=23 \[ \frac {2 x^3}{3 a \left (a x+b x^2\right )^{3/2}} \]
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Rubi [A]
time = 0.01, antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.059, Rules used = {664}
\begin {gather*} \frac {2 x^3}{3 a \left (a x+b x^2\right )^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 664
Rubi steps
\begin {align*} \int \frac {x^3}{\left (a x+b x^2\right )^{5/2}} \, dx &=\frac {2 x^3}{3 a \left (a x+b x^2\right )^{3/2}}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 21, normalized size = 0.91 \begin {gather*} \frac {2 x^3}{3 a (x (a+b x))^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(119\) vs.
\(2(19)=38\).
time = 0.39, size = 120, normalized size = 5.22
method | result | size |
gosper | \(\frac {2 x^{4} \left (b x +a \right )}{3 a \left (b \,x^{2}+a x \right )^{\frac {5}{2}}}\) | \(25\) |
trager | \(\frac {2 x \sqrt {b \,x^{2}+a x}}{3 \left (b x +a \right )^{2} a}\) | \(25\) |
default | \(-\frac {x^{2}}{b \left (b \,x^{2}+a x \right )^{\frac {3}{2}}}+\frac {a \left (-\frac {x}{2 b \left (b \,x^{2}+a x \right )^{\frac {3}{2}}}-\frac {a \left (-\frac {1}{3 b \left (b \,x^{2}+a x \right )^{\frac {3}{2}}}-\frac {a \left (-\frac {2 \left (2 b x +a \right )}{3 a^{2} \left (b \,x^{2}+a x \right )^{\frac {3}{2}}}+\frac {16 b \left (2 b x +a \right )}{3 a^{4} \sqrt {b \,x^{2}+a x}}\right )}{2 b}\right )}{4 b}\right )}{2 b}\) | \(120\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 74 vs.
\(2 (19) = 38\).
time = 0.29, size = 74, normalized size = 3.22 \begin {gather*} -\frac {x^{2}}{{\left (b x^{2} + a x\right )}^{\frac {3}{2}} b} - \frac {a x}{3 \, {\left (b x^{2} + a x\right )}^{\frac {3}{2}} b^{2}} + \frac {2 \, x}{3 \, \sqrt {b x^{2} + a x} a b} + \frac {1}{3 \, \sqrt {b x^{2} + a x} b^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.90, size = 35, normalized size = 1.52 \begin {gather*} \frac {2 \, \sqrt {b x^{2} + a x} x}{3 \, {\left (a b^{2} x^{2} + 2 \, a^{2} b x + a^{3}\right )}} \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 \left (a + b x\right )\right )^{\frac {5}{2}}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 89 vs.
\(2 (19) = 38\).
time = 1.79, size = 89, normalized size = 3.87 \begin {gather*} \frac {2 \, {\left (3 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a x}\right )}^{2} b^{\frac {3}{2}} + 3 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a x}\right )} a b + a^{2} \sqrt {b}\right )}}{3 \, {\left ({\left (\sqrt {b} x - \sqrt {b x^{2} + a x}\right )} \sqrt {b} + a\right )}^{3} b^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.30, size = 24, normalized size = 1.04 \begin {gather*} \frac {2\,x\,\sqrt {b\,x^2+a\,x}}{3\,a\,{\left (a+b\,x\right )}^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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