Optimal. Leaf size=75 \[ \frac {1}{5} a^3 A x^5+\frac {1}{6} a^2 x^6 (a B+3 A b)+\frac {1}{8} b^2 x^8 (3 a B+A b)+\frac {3}{7} a b x^7 (a B+A b)+\frac {1}{9} b^3 B x^9 \]
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Rubi [A] time = 0.05, antiderivative size = 75, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {76} \[ \frac {1}{6} a^2 x^6 (a B+3 A b)+\frac {1}{5} a^3 A x^5+\frac {1}{8} b^2 x^8 (3 a B+A b)+\frac {3}{7} a b x^7 (a B+A b)+\frac {1}{9} b^3 B x^9 \]
Antiderivative was successfully verified.
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Rule 76
Rubi steps
\begin {align*} \int x^4 (a+b x)^3 (A+B x) \, dx &=\int \left (a^3 A x^4+a^2 (3 A b+a B) x^5+3 a b (A b+a B) x^6+b^2 (A b+3 a B) x^7+b^3 B x^8\right ) \, dx\\ &=\frac {1}{5} a^3 A x^5+\frac {1}{6} a^2 (3 A b+a B) x^6+\frac {3}{7} a b (A b+a B) x^7+\frac {1}{8} b^2 (A b+3 a B) x^8+\frac {1}{9} b^3 B x^9\\ \end {align*}
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Mathematica [A] time = 0.01, size = 75, normalized size = 1.00 \[ \frac {1}{5} a^3 A x^5+\frac {1}{6} a^2 x^6 (a B+3 A b)+\frac {1}{8} b^2 x^8 (3 a B+A b)+\frac {3}{7} a b x^7 (a B+A b)+\frac {1}{9} b^3 B x^9 \]
Antiderivative was successfully verified.
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fricas [A] time = 0.74, size = 77, normalized size = 1.03 \[ \frac {1}{9} x^{9} b^{3} B + \frac {3}{8} x^{8} b^{2} a B + \frac {1}{8} x^{8} b^{3} A + \frac {3}{7} x^{7} b a^{2} B + \frac {3}{7} x^{7} b^{2} a A + \frac {1}{6} x^{6} a^{3} B + \frac {1}{2} x^{6} b a^{2} A + \frac {1}{5} x^{5} a^{3} A \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.25, size = 77, normalized size = 1.03 \[ \frac {1}{9} \, B b^{3} x^{9} + \frac {3}{8} \, B a b^{2} x^{8} + \frac {1}{8} \, A b^{3} x^{8} + \frac {3}{7} \, B a^{2} b x^{7} + \frac {3}{7} \, A a b^{2} x^{7} + \frac {1}{6} \, B a^{3} x^{6} + \frac {1}{2} \, A a^{2} b x^{6} + \frac {1}{5} \, A a^{3} x^{5} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 76, normalized size = 1.01 \[ \frac {B \,b^{3} x^{9}}{9}+\frac {A \,a^{3} x^{5}}{5}+\frac {\left (b^{3} A +3 a \,b^{2} B \right ) x^{8}}{8}+\frac {\left (3 a \,b^{2} A +3 a^{2} b B \right ) x^{7}}{7}+\frac {\left (3 a^{2} b A +a^{3} B \right ) x^{6}}{6} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.08, size = 73, normalized size = 0.97 \[ \frac {1}{9} \, B b^{3} x^{9} + \frac {1}{5} \, A a^{3} x^{5} + \frac {1}{8} \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{8} + \frac {3}{7} \, {\left (B a^{2} b + A a b^{2}\right )} x^{7} + \frac {1}{6} \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x^{6} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.04, size = 69, normalized size = 0.92 \[ x^6\,\left (\frac {B\,a^3}{6}+\frac {A\,b\,a^2}{2}\right )+x^8\,\left (\frac {A\,b^3}{8}+\frac {3\,B\,a\,b^2}{8}\right )+\frac {A\,a^3\,x^5}{5}+\frac {B\,b^3\,x^9}{9}+\frac {3\,a\,b\,x^7\,\left (A\,b+B\,a\right )}{7} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.08, size = 82, normalized size = 1.09 \[ \frac {A a^{3} x^{5}}{5} + \frac {B b^{3} x^{9}}{9} + x^{8} \left (\frac {A b^{3}}{8} + \frac {3 B a b^{2}}{8}\right ) + x^{7} \left (\frac {3 A a b^{2}}{7} + \frac {3 B a^{2} b}{7}\right ) + x^{6} \left (\frac {A a^{2} b}{2} + \frac {B a^{3}}{6}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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