Optimal. Leaf size=44 \[ \frac{b^2-4 a c}{16 c^2 d^3 (b+2 c x)^2}+\frac{\log (b+2 c x)}{8 c^2 d^3} \]
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Rubi [A] time = 0.0326059, antiderivative size = 44, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.045, Rules used = {683} \[ \frac{b^2-4 a c}{16 c^2 d^3 (b+2 c x)^2}+\frac{\log (b+2 c x)}{8 c^2 d^3} \]
Antiderivative was successfully verified.
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Rule 683
Rubi steps
\begin{align*} \int \frac{a+b x+c x^2}{(b d+2 c d x)^3} \, dx &=\int \left (\frac{-b^2+4 a c}{4 c d^3 (b+2 c x)^3}+\frac{1}{4 c d^3 (b+2 c x)}\right ) \, dx\\ &=\frac{b^2-4 a c}{16 c^2 d^3 (b+2 c x)^2}+\frac{\log (b+2 c x)}{8 c^2 d^3}\\ \end{align*}
Mathematica [A] time = 0.0154983, size = 37, normalized size = 0.84 \[ \frac{\frac{b^2-4 a c}{(b+2 c x)^2}+2 \log (b+2 c x)}{16 c^2 d^3} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.044, size = 53, normalized size = 1.2 \begin{align*} -{\frac{a}{4\,c{d}^{3} \left ( 2\,cx+b \right ) ^{2}}}+{\frac{{b}^{2}}{16\,{c}^{2}{d}^{3} \left ( 2\,cx+b \right ) ^{2}}}+{\frac{\ln \left ( 2\,cx+b \right ) }{8\,{c}^{2}{d}^{3}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.18744, size = 81, normalized size = 1.84 \begin{align*} \frac{b^{2} - 4 \, a c}{16 \,{\left (4 \, c^{4} d^{3} x^{2} + 4 \, b c^{3} d^{3} x + b^{2} c^{2} d^{3}\right )}} + \frac{\log \left (2 \, c x + b\right )}{8 \, c^{2} d^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.33354, size = 153, normalized size = 3.48 \begin{align*} \frac{b^{2} - 4 \, a c + 2 \,{\left (4 \, c^{2} x^{2} + 4 \, b c x + b^{2}\right )} \log \left (2 \, c x + b\right )}{16 \,{\left (4 \, c^{4} d^{3} x^{2} + 4 \, b c^{3} d^{3} x + b^{2} c^{2} d^{3}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.621888, size = 60, normalized size = 1.36 \begin{align*} - \frac{4 a c - b^{2}}{16 b^{2} c^{2} d^{3} + 64 b c^{3} d^{3} x + 64 c^{4} d^{3} x^{2}} + \frac{\log{\left (b + 2 c x \right )}}{8 c^{2} d^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.22163, size = 55, normalized size = 1.25 \begin{align*} \frac{\log \left ({\left | 2 \, c x + b \right |}\right )}{8 \, c^{2} d^{3}} + \frac{b^{2} - 4 \, a c}{16 \,{\left (2 \, c x + b\right )}^{2} c^{2} d^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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