Optimal. Leaf size=38 \[ \frac {2 \left (a+b x^3\right )^{3/2}}{9 b^2}-\frac {2 a \sqrt {a+b x^3}}{3 b^2} \]
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Rubi [A] time = 0.02, antiderivative size = 38, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {266, 43} \[ \frac {2 \left (a+b x^3\right )^{3/2}}{9 b^2}-\frac {2 a \sqrt {a+b x^3}}{3 b^2} \]
Antiderivative was successfully verified.
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Rule 43
Rule 266
Rubi steps
\begin {align*} \int \frac {x^5}{\sqrt {a+b x^3}} \, dx &=\frac {1}{3} \operatorname {Subst}\left (\int \frac {x}{\sqrt {a+b x}} \, dx,x,x^3\right )\\ &=\frac {1}{3} \operatorname {Subst}\left (\int \left (-\frac {a}{b \sqrt {a+b x}}+\frac {\sqrt {a+b x}}{b}\right ) \, dx,x,x^3\right )\\ &=-\frac {2 a \sqrt {a+b x^3}}{3 b^2}+\frac {2 \left (a+b x^3\right )^{3/2}}{9 b^2}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 27, normalized size = 0.71 \[ \frac {2 \left (b x^3-2 a\right ) \sqrt {a+b x^3}}{9 b^2} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.81, size = 23, normalized size = 0.61 \[ \frac {2 \, \sqrt {b x^{3} + a} {\left (b x^{3} - 2 \, a\right )}}{9 \, b^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.15, size = 30, normalized size = 0.79 \[ \frac {2 \, {\left (b x^{3} + a\right )}^{\frac {3}{2}}}{9 \, b^{2}} - \frac {2 \, \sqrt {b x^{3} + a} a}{3 \, b^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 25, normalized size = 0.66 \[ -\frac {2 \sqrt {b \,x^{3}+a}\, \left (-b \,x^{3}+2 a \right )}{9 b^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.32, size = 30, normalized size = 0.79 \[ \frac {2 \, {\left (b x^{3} + a\right )}^{\frac {3}{2}}}{9 \, b^{2}} - \frac {2 \, \sqrt {b x^{3} + a} a}{3 \, b^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.09, size = 24, normalized size = 0.63 \[ -\frac {2\,\sqrt {b\,x^3+a}\,\left (2\,a-b\,x^3\right )}{9\,b^2} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 1.73, size = 46, normalized size = 1.21 \[ \begin {cases} - \frac {4 a \sqrt {a + b x^{3}}}{9 b^{2}} + \frac {2 x^{3} \sqrt {a + b x^{3}}}{9 b} & \text {for}\: b \neq 0 \\\frac {x^{6}}{6 \sqrt {a}} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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