Optimal. Leaf size=103 \[ -\frac {2 a^2 (A b-a B)}{9 b^4 \left (a+b x^3\right )^{3/2}}+\frac {2 a (2 A b-3 a B)}{3 b^4 \sqrt {a+b x^3}}+\frac {2 \sqrt {a+b x^3} (A b-3 a B)}{3 b^4}+\frac {2 B \left (a+b x^3\right )^{3/2}}{9 b^4} \]
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Rubi [A] time = 0.08, antiderivative size = 103, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {446, 77} \[ -\frac {2 a^2 (A b-a B)}{9 b^4 \left (a+b x^3\right )^{3/2}}+\frac {2 a (2 A b-3 a B)}{3 b^4 \sqrt {a+b x^3}}+\frac {2 \sqrt {a+b x^3} (A b-3 a B)}{3 b^4}+\frac {2 B \left (a+b x^3\right )^{3/2}}{9 b^4} \]
Antiderivative was successfully verified.
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Rule 77
Rule 446
Rubi steps
\begin {align*} \int \frac {x^8 \left (A+B x^3\right )}{\left (a+b x^3\right )^{5/2}} \, dx &=\frac {1}{3} \operatorname {Subst}\left (\int \frac {x^2 (A+B x)}{(a+b x)^{5/2}} \, dx,x,x^3\right )\\ &=\frac {1}{3} \operatorname {Subst}\left (\int \left (-\frac {a^2 (-A b+a B)}{b^3 (a+b x)^{5/2}}+\frac {a (-2 A b+3 a B)}{b^3 (a+b x)^{3/2}}+\frac {A b-3 a B}{b^3 \sqrt {a+b x}}+\frac {B \sqrt {a+b x}}{b^3}\right ) \, dx,x,x^3\right )\\ &=-\frac {2 a^2 (A b-a B)}{9 b^4 \left (a+b x^3\right )^{3/2}}+\frac {2 a (2 A b-3 a B)}{3 b^4 \sqrt {a+b x^3}}+\frac {2 (A b-3 a B) \sqrt {a+b x^3}}{3 b^4}+\frac {2 B \left (a+b x^3\right )^{3/2}}{9 b^4}\\ \end {align*}
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Mathematica [A] time = 0.07, size = 73, normalized size = 0.71 \[ \frac {2 \left (-16 a^3 B+8 a^2 b \left (A-3 B x^3\right )-6 a b^2 x^3 \left (B x^3-2 A\right )+b^3 x^6 \left (3 A+B x^3\right )\right )}{9 b^4 \left (a+b x^3\right )^{3/2}} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.66, size = 98, normalized size = 0.95 \[ \frac {2 \, {\left (B b^{3} x^{9} - 3 \, {\left (2 \, B a b^{2} - A b^{3}\right )} x^{6} - 16 \, B a^{3} + 8 \, A a^{2} b - 12 \, {\left (2 \, B a^{2} b - A a b^{2}\right )} x^{3}\right )} \sqrt {b x^{3} + a}}{9 \, {\left (b^{6} x^{6} + 2 \, a b^{5} x^{3} + a^{2} b^{4}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.17, size = 104, normalized size = 1.01 \[ -\frac {2 \, {\left (9 \, {\left (b x^{3} + a\right )} B a^{2} - B a^{3} - 6 \, {\left (b x^{3} + a\right )} A a b + A a^{2} b\right )}}{9 \, {\left (b x^{3} + a\right )}^{\frac {3}{2}} b^{4}} + \frac {2 \, {\left ({\left (b x^{3} + a\right )}^{\frac {3}{2}} B b^{8} - 9 \, \sqrt {b x^{3} + a} B a b^{8} + 3 \, \sqrt {b x^{3} + a} A b^{9}\right )}}{9 \, b^{12}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.05, size = 76, normalized size = 0.74 \[ \frac {\frac {2}{9} B \,x^{9} b^{3}+\frac {2}{3} A \,b^{3} x^{6}-\frac {4}{3} B a \,b^{2} x^{6}+\frac {8}{3} A a \,b^{2} x^{3}-\frac {16}{3} B \,a^{2} b \,x^{3}+\frac {16}{9} A \,a^{2} b -\frac {32}{9} B \,a^{3}}{\left (b \,x^{3}+a \right )^{\frac {3}{2}} b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.59, size = 116, normalized size = 1.13 \[ \frac {2}{9} \, B {\left (\frac {{\left (b x^{3} + a\right )}^{\frac {3}{2}}}{b^{4}} - \frac {9 \, \sqrt {b x^{3} + a} a}{b^{4}} - \frac {9 \, a^{2}}{\sqrt {b x^{3} + a} b^{4}} + \frac {a^{3}}{{\left (b x^{3} + a\right )}^{\frac {3}{2}} b^{4}}\right )} + \frac {2}{9} \, A {\left (\frac {3 \, \sqrt {b x^{3} + a}}{b^{3}} + \frac {6 \, a}{\sqrt {b x^{3} + a} b^{3}} - \frac {a^{2}}{{\left (b x^{3} + a\right )}^{\frac {3}{2}} b^{3}}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 2.80, size = 145, normalized size = 1.41 \[ \frac {\sqrt {b\,x^3+a}\,\left (\frac {2\,\left (A\,b-2\,B\,a\right )}{b^3}-\frac {4\,B\,a}{3\,b^3}\right )}{3\,b}-\frac {\frac {2\,B\,a^2-2\,A\,a\,b}{3\,b^4}-\frac {a\,\left (\frac {2\,A\,b^2-2\,B\,a\,b}{3\,b^4}-\frac {2\,B\,a}{3\,b^3}\right )}{b}}{\sqrt {b\,x^3+a}}-\frac {a^2\,\left (\frac {2\,A}{9\,b}-\frac {2\,B\,a}{9\,b^2}\right )}{b^2\,{\left (b\,x^3+a\right )}^{3/2}}+\frac {2\,B\,x^3\,\sqrt {b\,x^3+a}}{9\,b^3} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 5.18, size = 338, normalized size = 3.28 \[ \begin {cases} \frac {16 A a^{2} b}{9 a b^{4} \sqrt {a + b x^{3}} + 9 b^{5} x^{3} \sqrt {a + b x^{3}}} + \frac {24 A a b^{2} x^{3}}{9 a b^{4} \sqrt {a + b x^{3}} + 9 b^{5} x^{3} \sqrt {a + b x^{3}}} + \frac {6 A b^{3} x^{6}}{9 a b^{4} \sqrt {a + b x^{3}} + 9 b^{5} x^{3} \sqrt {a + b x^{3}}} - \frac {32 B a^{3}}{9 a b^{4} \sqrt {a + b x^{3}} + 9 b^{5} x^{3} \sqrt {a + b x^{3}}} - \frac {48 B a^{2} b x^{3}}{9 a b^{4} \sqrt {a + b x^{3}} + 9 b^{5} x^{3} \sqrt {a + b x^{3}}} - \frac {12 B a b^{2} x^{6}}{9 a b^{4} \sqrt {a + b x^{3}} + 9 b^{5} x^{3} \sqrt {a + b x^{3}}} + \frac {2 B b^{3} x^{9}}{9 a b^{4} \sqrt {a + b x^{3}} + 9 b^{5} x^{3} \sqrt {a + b x^{3}}} & \text {for}\: b \neq 0 \\\frac {\frac {A x^{9}}{9} + \frac {B x^{12}}{12}}{a^{\frac {5}{2}}} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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