Optimal. Leaf size=85 \[ \frac {2}{9} a^3 A x^{9/2}+\frac {2}{11} a^2 x^{11/2} (a B+3 A b)+\frac {2}{15} b^2 x^{15/2} (3 a B+A b)+\frac {6}{13} a b x^{13/2} (a B+A b)+\frac {2}{17} b^3 B x^{17/2} \]
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Rubi [A] time = 0.04, antiderivative size = 85, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {76} \begin {gather*} \frac {2}{11} a^2 x^{11/2} (a B+3 A b)+\frac {2}{9} a^3 A x^{9/2}+\frac {2}{15} b^2 x^{15/2} (3 a B+A b)+\frac {6}{13} a b x^{13/2} (a B+A b)+\frac {2}{17} b^3 B x^{17/2} \end {gather*}
Antiderivative was successfully verified.
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Rule 76
Rubi steps
\begin {align*} \int x^{7/2} (a+b x)^3 (A+B x) \, dx &=\int \left (a^3 A x^{7/2}+a^2 (3 A b+a B) x^{9/2}+3 a b (A b+a B) x^{11/2}+b^2 (A b+3 a B) x^{13/2}+b^3 B x^{15/2}\right ) \, dx\\ &=\frac {2}{9} a^3 A x^{9/2}+\frac {2}{11} a^2 (3 A b+a B) x^{11/2}+\frac {6}{13} a b (A b+a B) x^{13/2}+\frac {2}{15} b^2 (A b+3 a B) x^{15/2}+\frac {2}{17} b^3 B x^{17/2}\\ \end {align*}
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Mathematica [A] time = 0.04, size = 71, normalized size = 0.84 \begin {gather*} \frac {2 x^{9/2} \left (1105 a^3 (11 A+9 B x)+2295 a^2 b x (13 A+11 B x)+1683 a b^2 x^2 (15 A+13 B x)+429 b^3 x^3 (17 A+15 B x)\right )}{109395} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [A] time = 0.04, size = 97, normalized size = 1.14 \begin {gather*} \frac {2 \left (12155 a^3 A x^{9/2}+9945 a^3 B x^{11/2}+29835 a^2 A b x^{11/2}+25245 a^2 b B x^{13/2}+25245 a A b^2 x^{13/2}+21879 a b^2 B x^{15/2}+7293 A b^3 x^{15/2}+6435 b^3 B x^{17/2}\right )}{109395} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.87, size = 78, normalized size = 0.92 \begin {gather*} \frac {2}{109395} \, {\left (6435 \, B b^{3} x^{8} + 12155 \, A a^{3} x^{4} + 7293 \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{7} + 25245 \, {\left (B a^{2} b + A a b^{2}\right )} x^{6} + 9945 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x^{5}\right )} \sqrt {x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.31, size = 77, normalized size = 0.91 \begin {gather*} \frac {2}{17} \, B b^{3} x^{\frac {17}{2}} + \frac {2}{5} \, B a b^{2} x^{\frac {15}{2}} + \frac {2}{15} \, A b^{3} x^{\frac {15}{2}} + \frac {6}{13} \, B a^{2} b x^{\frac {13}{2}} + \frac {6}{13} \, A a b^{2} x^{\frac {13}{2}} + \frac {2}{11} \, B a^{3} x^{\frac {11}{2}} + \frac {6}{11} \, A a^{2} b x^{\frac {11}{2}} + \frac {2}{9} \, A a^{3} x^{\frac {9}{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 76, normalized size = 0.89 \begin {gather*} \frac {2 \left (6435 B \,b^{3} x^{4}+7293 A \,b^{3} x^{3}+21879 B a \,b^{2} x^{3}+25245 A a \,b^{2} x^{2}+25245 B \,a^{2} b \,x^{2}+29835 A \,a^{2} b x +9945 B \,a^{3} x +12155 a^{3} A \right ) x^{\frac {9}{2}}}{109395} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.88, size = 73, normalized size = 0.86 \begin {gather*} \frac {2}{17} \, B b^{3} x^{\frac {17}{2}} + \frac {2}{9} \, A a^{3} x^{\frac {9}{2}} + \frac {2}{15} \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{\frac {15}{2}} + \frac {6}{13} \, {\left (B a^{2} b + A a b^{2}\right )} x^{\frac {13}{2}} + \frac {2}{11} \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x^{\frac {11}{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.34, size = 69, normalized size = 0.81 \begin {gather*} x^{11/2}\,\left (\frac {2\,B\,a^3}{11}+\frac {6\,A\,b\,a^2}{11}\right )+x^{15/2}\,\left (\frac {2\,A\,b^3}{15}+\frac {2\,B\,a\,b^2}{5}\right )+\frac {2\,A\,a^3\,x^{9/2}}{9}+\frac {2\,B\,b^3\,x^{17/2}}{17}+\frac {6\,a\,b\,x^{13/2}\,\left (A\,b+B\,a\right )}{13} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 12.28, size = 114, normalized size = 1.34 \begin {gather*} \frac {2 A a^{3} x^{\frac {9}{2}}}{9} + \frac {6 A a^{2} b x^{\frac {11}{2}}}{11} + \frac {6 A a b^{2} x^{\frac {13}{2}}}{13} + \frac {2 A b^{3} x^{\frac {15}{2}}}{15} + \frac {2 B a^{3} x^{\frac {11}{2}}}{11} + \frac {6 B a^{2} b x^{\frac {13}{2}}}{13} + \frac {2 B a b^{2} x^{\frac {15}{2}}}{5} + \frac {2 B b^{3} x^{\frac {17}{2}}}{17} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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