Optimal. Leaf size=14 \[ -\frac{1}{3 b (c+d x)^3} \]
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Rubi [A] time = 0.0029554, antiderivative size = 14, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.1, Rules used = {21, 32} \[ -\frac{1}{3 b (c+d x)^3} \]
Antiderivative was successfully verified.
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Rule 21
Rule 32
Rubi steps
\begin{align*} \int \frac{1}{\left (\frac{b c}{d}+b x\right ) (c+d x)^3} \, dx &=\frac{d \int \frac{1}{(c+d x)^4} \, dx}{b}\\ &=-\frac{1}{3 b (c+d x)^3}\\ \end{align*}
Mathematica [A] time = 0.0052916, size = 14, normalized size = 1. \[ -\frac{1}{3 b (c+d x)^3} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.001, size = 13, normalized size = 0.9 \begin{align*} -{\frac{1}{3\,b \left ( dx+c \right ) ^{3}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.00733, size = 49, normalized size = 3.5 \begin{align*} -\frac{1}{3 \,{\left (b d^{3} x^{3} + 3 \, b c d^{2} x^{2} + 3 \, b c^{2} d x + b c^{3}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.44479, size = 76, normalized size = 5.43 \begin{align*} -\frac{1}{3 \,{\left (b d^{3} x^{3} + 3 \, b c d^{2} x^{2} + 3 \, b c^{2} d x + b c^{3}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 0.399423, size = 44, normalized size = 3.14 \begin{align*} - \frac{d}{3 b c^{3} d + 9 b c^{2} d^{2} x + 9 b c d^{3} x^{2} + 3 b d^{4} x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.0682, size = 16, normalized size = 1.14 \begin{align*} -\frac{1}{3 \,{\left (d x + c\right )}^{3} b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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