Optimal. Leaf size=17 \[ -\frac{b^2}{4 d^3 (a+b x)^4} \]
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Rubi [A] time = 0.0032718, antiderivative size = 17, 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} \[ -\frac{b^2}{4 d^3 (a+b x)^4} \]
Antiderivative was successfully verified.
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Rule 21
Rule 32
Rubi steps
\begin{align*} \int \frac{1}{(a+b x)^2 \left (\frac{a d}{b}+d x\right )^3} \, dx &=\frac{b^3 \int \frac{1}{(a+b x)^5} \, dx}{d^3}\\ &=-\frac{b^2}{4 d^3 (a+b x)^4}\\ \end{align*}
Mathematica [A] time = 0.0054998, size = 17, normalized size = 1. \[ -\frac{b^2}{4 d^3 (a+b x)^4} \]
Antiderivative was successfully verified.
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Maple [A] time = 0., size = 16, normalized size = 0.9 \begin{align*} -{\frac{{b}^{2}}{4\,{d}^{3} \left ( bx+a \right ) ^{4}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.0036, size = 82, normalized size = 4.82 \begin{align*} -\frac{b^{2}}{4 \,{\left (b^{4} d^{3} x^{4} + 4 \, a b^{3} d^{3} x^{3} + 6 \, a^{2} b^{2} d^{3} x^{2} + 4 \, a^{3} b d^{3} x + a^{4} d^{3}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.63316, size = 119, normalized size = 7. \begin{align*} -\frac{b^{2}}{4 \,{\left (b^{4} d^{3} x^{4} + 4 \, a b^{3} d^{3} x^{3} + 6 \, a^{2} b^{2} d^{3} x^{2} + 4 \, a^{3} b d^{3} x + a^{4} d^{3}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 0.474918, size = 68, normalized size = 4. \begin{align*} - \frac{b^{3}}{4 a^{4} b d^{3} + 16 a^{3} b^{2} d^{3} x + 24 a^{2} b^{3} d^{3} x^{2} + 16 a b^{4} d^{3} x^{3} + 4 b^{5} d^{3} x^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.0528, size = 20, normalized size = 1.18 \begin{align*} -\frac{b^{2}}{4 \,{\left (b x + a\right )}^{4} d^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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