Optimal. Leaf size=66 \[ \frac {a^2 (b c-a d) \log (a+b x)}{b^4}-\frac {a x (b c-a d)}{b^3}+\frac {x^2 (b c-a d)}{2 b^2}+\frac {d x^3}{3 b} \]
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Rubi [A] time = 0.05, antiderivative size = 66, 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 = {77} \[ \frac {a^2 (b c-a d) \log (a+b x)}{b^4}+\frac {x^2 (b c-a d)}{2 b^2}-\frac {a x (b c-a d)}{b^3}+\frac {d x^3}{3 b} \]
Antiderivative was successfully verified.
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Rule 77
Rubi steps
\begin {align*} \int \frac {x^2 (c+d x)}{a+b x} \, dx &=\int \left (\frac {a (-b c+a d)}{b^3}+\frac {(b c-a d) x}{b^2}+\frac {d x^2}{b}-\frac {a^2 (-b c+a d)}{b^3 (a+b x)}\right ) \, dx\\ &=-\frac {a (b c-a d) x}{b^3}+\frac {(b c-a d) x^2}{2 b^2}+\frac {d x^3}{3 b}+\frac {a^2 (b c-a d) \log (a+b x)}{b^4}\\ \end {align*}
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Mathematica [A] time = 0.03, size = 61, normalized size = 0.92 \[ \frac {b x \left (6 a^2 d-3 a b (2 c+d x)+b^2 x (3 c+2 d x)\right )+6 a^2 (b c-a d) \log (a+b x)}{6 b^4} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.83, size = 71, normalized size = 1.08 \[ \frac {2 \, b^{3} d x^{3} + 3 \, {\left (b^{3} c - a b^{2} d\right )} x^{2} - 6 \, {\left (a b^{2} c - a^{2} b d\right )} x + 6 \, {\left (a^{2} b c - a^{3} d\right )} \log \left (b x + a\right )}{6 \, b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.12, size = 70, normalized size = 1.06 \[ \frac {2 \, b^{2} d x^{3} + 3 \, b^{2} c x^{2} - 3 \, a b d x^{2} - 6 \, a b c x + 6 \, a^{2} d x}{6 \, b^{3}} + \frac {{\left (a^{2} b c - a^{3} d\right )} \log \left ({\left | b x + a \right |}\right )}{b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 76, normalized size = 1.15 \[ \frac {d \,x^{3}}{3 b}-\frac {a d \,x^{2}}{2 b^{2}}+\frac {c \,x^{2}}{2 b}-\frac {a^{3} d \ln \left (b x +a \right )}{b^{4}}+\frac {a^{2} c \ln \left (b x +a \right )}{b^{3}}+\frac {a^{2} d x}{b^{3}}-\frac {a c x}{b^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.98, size = 69, normalized size = 1.05 \[ \frac {2 \, b^{2} d x^{3} + 3 \, {\left (b^{2} c - a b d\right )} x^{2} - 6 \, {\left (a b c - a^{2} d\right )} x}{6 \, b^{3}} + \frac {{\left (a^{2} b c - a^{3} d\right )} \log \left (b x + a\right )}{b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.05, size = 72, normalized size = 1.09 \[ x^2\,\left (\frac {c}{2\,b}-\frac {a\,d}{2\,b^2}\right )-\frac {\ln \left (a+b\,x\right )\,\left (a^3\,d-a^2\,b\,c\right )}{b^4}+\frac {d\,x^3}{3\,b}-\frac {a\,x\,\left (\frac {c}{b}-\frac {a\,d}{b^2}\right )}{b} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.37, size = 61, normalized size = 0.92 \[ - \frac {a^{2} \left (a d - b c\right ) \log {\left (a + b x \right )}}{b^{4}} + x^{2} \left (- \frac {a d}{2 b^{2}} + \frac {c}{2 b}\right ) + x \left (\frac {a^{2} d}{b^{3}} - \frac {a c}{b^{2}}\right ) + \frac {d x^{3}}{3 b} \]
Verification of antiderivative is not currently implemented for this CAS.
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