Optimal. Leaf size=71 \[ -\frac{a \sqrt{a^2+2 a b x+b^2 x^2}}{5 x^5 (a+b x)}-\frac{b \sqrt{a^2+2 a b x+b^2 x^2}}{4 x^4 (a+b x)} \]
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Rubi [A] time = 0.0233714, antiderivative size = 71, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.083, Rules used = {646, 43} \[ -\frac{a \sqrt{a^2+2 a b x+b^2 x^2}}{5 x^5 (a+b x)}-\frac{b \sqrt{a^2+2 a b x+b^2 x^2}}{4 x^4 (a+b x)} \]
Antiderivative was successfully verified.
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Rule 646
Rule 43
Rubi steps
\begin{align*} \int \frac{\sqrt{a^2+2 a b x+b^2 x^2}}{x^6} \, dx &=\frac{\sqrt{a^2+2 a b x+b^2 x^2} \int \frac{a b+b^2 x}{x^6} \, dx}{a b+b^2 x}\\ &=\frac{\sqrt{a^2+2 a b x+b^2 x^2} \int \left (\frac{a b}{x^6}+\frac{b^2}{x^5}\right ) \, dx}{a b+b^2 x}\\ &=-\frac{a \sqrt{a^2+2 a b x+b^2 x^2}}{5 x^5 (a+b x)}-\frac{b \sqrt{a^2+2 a b x+b^2 x^2}}{4 x^4 (a+b x)}\\ \end{align*}
Mathematica [A] time = 0.0070738, size = 33, normalized size = 0.46 \[ -\frac{\sqrt{(a+b x)^2} (4 a+5 b x)}{20 x^5 (a+b x)} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.047, size = 30, normalized size = 0.4 \begin{align*} -{\frac{5\,bx+4\,a}{20\,{x}^{5} \left ( bx+a \right ) }\sqrt{ \left ( bx+a \right ) ^{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.08012, size = 34, normalized size = 0.48 \begin{align*} -\frac{5 \, b x + 4 \, a}{20 \, x^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.986136, size = 14, normalized size = 0.2 \begin{align*} - \frac{4 a + 5 b x}{20 x^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.15781, size = 54, normalized size = 0.76 \begin{align*} \frac{b^{5} \mathrm{sgn}\left (b x + a\right )}{20 \, a^{4}} - \frac{5 \, b x \mathrm{sgn}\left (b x + a\right ) + 4 \, a \mathrm{sgn}\left (b x + a\right )}{20 \, x^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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