Optimal. Leaf size=55 \[ \frac {1}{5} a^2 A x^5+\frac {1}{7} b x^7 (2 a B+A b)+\frac {1}{6} a x^6 (a B+2 A b)+\frac {1}{8} b^2 B x^8 \]
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Rubi [A] time = 0.04, antiderivative size = 55, 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} \[ \frac {1}{5} a^2 A x^5+\frac {1}{7} b x^7 (2 a B+A b)+\frac {1}{6} a x^6 (a B+2 A b)+\frac {1}{8} b^2 B x^8 \]
Antiderivative was successfully verified.
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Rule 76
Rubi steps
\begin {align*} \int x^4 (a+b x)^2 (A+B x) \, dx &=\int \left (a^2 A x^4+a (2 A b+a B) x^5+b (A b+2 a B) x^6+b^2 B x^7\right ) \, dx\\ &=\frac {1}{5} a^2 A x^5+\frac {1}{6} a (2 A b+a B) x^6+\frac {1}{7} b (A b+2 a B) x^7+\frac {1}{8} b^2 B x^8\\ \end {align*}
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Mathematica [A] time = 0.01, size = 55, normalized size = 1.00 \[ \frac {1}{5} a^2 A x^5+\frac {1}{7} b x^7 (2 a B+A b)+\frac {1}{6} a x^6 (a B+2 A b)+\frac {1}{8} b^2 B x^8 \]
Antiderivative was successfully verified.
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fricas [A] time = 0.49, size = 53, normalized size = 0.96 \[ \frac {1}{8} x^{8} b^{2} B + \frac {2}{7} x^{7} b a B + \frac {1}{7} x^{7} b^{2} A + \frac {1}{6} x^{6} a^{2} B + \frac {1}{3} x^{6} b a A + \frac {1}{5} x^{5} a^{2} A \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.23, size = 53, normalized size = 0.96 \[ \frac {1}{8} \, B b^{2} x^{8} + \frac {2}{7} \, B a b x^{7} + \frac {1}{7} \, A b^{2} x^{7} + \frac {1}{6} \, B a^{2} x^{6} + \frac {1}{3} \, A a b x^{6} + \frac {1}{5} \, A a^{2} x^{5} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 52, normalized size = 0.95 \[ \frac {B \,b^{2} x^{8}}{8}+\frac {A \,a^{2} x^{5}}{5}+\frac {\left (b^{2} A +2 a b B \right ) x^{7}}{7}+\frac {\left (2 a b A +a^{2} B \right ) x^{6}}{6} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.07, size = 51, normalized size = 0.93 \[ \frac {1}{8} \, B b^{2} x^{8} + \frac {1}{5} \, A a^{2} x^{5} + \frac {1}{7} \, {\left (2 \, B a b + A b^{2}\right )} x^{7} + \frac {1}{6} \, {\left (B a^{2} + 2 \, A a b\right )} x^{6} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.06, size = 51, normalized size = 0.93 \[ x^6\,\left (\frac {B\,a^2}{6}+\frac {A\,b\,a}{3}\right )+x^7\,\left (\frac {A\,b^2}{7}+\frac {2\,B\,a\,b}{7}\right )+\frac {A\,a^2\,x^5}{5}+\frac {B\,b^2\,x^8}{8} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.15, size = 54, normalized size = 0.98 \[ \frac {A a^{2} x^{5}}{5} + \frac {B b^{2} x^{8}}{8} + x^{7} \left (\frac {A b^{2}}{7} + \frac {2 B a b}{7}\right ) + x^{6} \left (\frac {A a b}{3} + \frac {B a^{2}}{6}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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