Optimal. Leaf size=55 \[ \frac {1}{2} a^2 A x^2+\frac {1}{4} b x^4 (2 a B+A b)+\frac {1}{3} a x^3 (a B+2 A b)+\frac {1}{5} b^2 B x^5 \]
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Rubi [A] time = 0.03, antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {76} \[ \frac {1}{2} a^2 A x^2+\frac {1}{4} b x^4 (2 a B+A b)+\frac {1}{3} a x^3 (a B+2 A b)+\frac {1}{5} b^2 B x^5 \]
Antiderivative was successfully verified.
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Rule 76
Rubi steps
\begin {align*} \int x (a+b x)^2 (A+B x) \, dx &=\int \left (a^2 A x+a (2 A b+a B) x^2+b (A b+2 a B) x^3+b^2 B x^4\right ) \, dx\\ &=\frac {1}{2} a^2 A x^2+\frac {1}{3} a (2 A b+a B) x^3+\frac {1}{4} b (A b+2 a B) x^4+\frac {1}{5} b^2 B x^5\\ \end {align*}
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Mathematica [A] time = 0.01, size = 50, normalized size = 0.91 \[ \frac {1}{60} x^2 \left (10 a^2 (3 A+2 B x)+10 a b x (4 A+3 B x)+3 b^2 x^2 (5 A+4 B x)\right ) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.68, size = 53, normalized size = 0.96 \[ \frac {1}{5} x^{5} b^{2} B + \frac {1}{2} x^{4} b a B + \frac {1}{4} x^{4} b^{2} A + \frac {1}{3} x^{3} a^{2} B + \frac {2}{3} x^{3} b a A + \frac {1}{2} x^{2} a^{2} A \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.27, size = 53, normalized size = 0.96 \[ \frac {1}{5} \, B b^{2} x^{5} + \frac {1}{2} \, B a b x^{4} + \frac {1}{4} \, A b^{2} x^{4} + \frac {1}{3} \, B a^{2} x^{3} + \frac {2}{3} \, A a b x^{3} + \frac {1}{2} \, A a^{2} x^{2} \]
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 \[ \frac {B \,b^{2} x^{5}}{5}+\frac {A \,a^{2} x^{2}}{2}+\frac {\left (b^{2} A +2 a b B \right ) x^{4}}{4}+\frac {\left (2 a b A +a^{2} B \right ) x^{3}}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.10, size = 51, normalized size = 0.93 \[ \frac {1}{5} \, B b^{2} x^{5} + \frac {1}{2} \, A a^{2} x^{2} + \frac {1}{4} \, {\left (2 \, B a b + A b^{2}\right )} x^{4} + \frac {1}{3} \, {\left (B a^{2} + 2 \, A a b\right )} x^{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.05, size = 51, normalized size = 0.93 \[ x^3\,\left (\frac {B\,a^2}{3}+\frac {2\,A\,b\,a}{3}\right )+x^4\,\left (\frac {A\,b^2}{4}+\frac {B\,a\,b}{2}\right )+\frac {A\,a^2\,x^2}{2}+\frac {B\,b^2\,x^5}{5} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.08, size = 54, normalized size = 0.98 \[ \frac {A a^{2} x^{2}}{2} + \frac {B b^{2} x^{5}}{5} + x^{4} \left (\frac {A b^{2}}{4} + \frac {B a b}{2}\right ) + x^{3} \left (\frac {2 A a b}{3} + \frac {B a^{2}}{3}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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