Optimal. Leaf size=28 \[ -\frac{(c+d x)^3}{3 (a+b x)^3 (b c-a d)} \]
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Rubi [A] time = 0.0042436, antiderivative size = 28, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.067, Rules used = {37} \[ -\frac{(c+d x)^3}{3 (a+b x)^3 (b c-a d)} \]
Antiderivative was successfully verified.
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Rule 37
Rubi steps
\begin{align*} \int \frac{(c+d x)^2}{(a+b x)^4} \, dx &=-\frac{(c+d x)^3}{3 (b c-a d) (a+b x)^3}\\ \end{align*}
Mathematica [A] time = 0.0215738, size = 53, normalized size = 1.89 \[ -\frac{a^2 d^2+a b d (c+3 d x)+b^2 \left (c^2+3 c d x+3 d^2 x^2\right )}{3 b^3 (a+b x)^3} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.004, size = 70, normalized size = 2.5 \begin{align*} -{\frac{{d}^{2}}{{b}^{3} \left ( bx+a \right ) }}+{\frac{d \left ( ad-bc \right ) }{{b}^{3} \left ( bx+a \right ) ^{2}}}-{\frac{{a}^{2}{d}^{2}-2\,abcd+{b}^{2}{c}^{2}}{3\,{b}^{3} \left ( bx+a \right ) ^{3}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 0.963286, size = 113, normalized size = 4.04 \begin{align*} -\frac{3 \, b^{2} d^{2} x^{2} + b^{2} c^{2} + a b c d + a^{2} d^{2} + 3 \,{\left (b^{2} c d + a b d^{2}\right )} x}{3 \,{\left (b^{6} x^{3} + 3 \, a b^{5} x^{2} + 3 \, a^{2} b^{4} x + a^{3} b^{3}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.98506, size = 170, normalized size = 6.07 \begin{align*} -\frac{3 \, b^{2} d^{2} x^{2} + b^{2} c^{2} + a b c d + a^{2} d^{2} + 3 \,{\left (b^{2} c d + a b d^{2}\right )} x}{3 \,{\left (b^{6} x^{3} + 3 \, a b^{5} x^{2} + 3 \, a^{2} b^{4} x + a^{3} b^{3}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 0.773407, size = 88, normalized size = 3.14 \begin{align*} - \frac{a^{2} d^{2} + a b c d + b^{2} c^{2} + 3 b^{2} d^{2} x^{2} + x \left (3 a b d^{2} + 3 b^{2} c d\right )}{3 a^{3} b^{3} + 9 a^{2} b^{4} x + 9 a b^{5} x^{2} + 3 b^{6} x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.05775, size = 80, normalized size = 2.86 \begin{align*} -\frac{3 \, b^{2} d^{2} x^{2} + 3 \, b^{2} c d x + 3 \, a b d^{2} x + b^{2} c^{2} + a b c d + a^{2} d^{2}}{3 \,{\left (b x + a\right )}^{3} b^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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