Optimal. Leaf size=72 \[ \frac{3 a^2 x^2}{2 b^4}+\frac{a^5}{b^6 (a+b x)}-\frac{4 a^3 x}{b^5}+\frac{5 a^4 \log (a+b x)}{b^6}-\frac{2 a x^3}{3 b^3}+\frac{x^4}{4 b^2} \]
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Rubi [A] time = 0.0423157, antiderivative size = 72, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.091, Rules used = {43} \[ \frac{3 a^2 x^2}{2 b^4}+\frac{a^5}{b^6 (a+b x)}-\frac{4 a^3 x}{b^5}+\frac{5 a^4 \log (a+b x)}{b^6}-\frac{2 a x^3}{3 b^3}+\frac{x^4}{4 b^2} \]
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin{align*} \int \frac{x^5}{(a+b x)^2} \, dx &=\int \left (-\frac{4 a^3}{b^5}+\frac{3 a^2 x}{b^4}-\frac{2 a x^2}{b^3}+\frac{x^3}{b^2}-\frac{a^5}{b^5 (a+b x)^2}+\frac{5 a^4}{b^5 (a+b x)}\right ) \, dx\\ &=-\frac{4 a^3 x}{b^5}+\frac{3 a^2 x^2}{2 b^4}-\frac{2 a x^3}{3 b^3}+\frac{x^4}{4 b^2}+\frac{a^5}{b^6 (a+b x)}+\frac{5 a^4 \log (a+b x)}{b^6}\\ \end{align*}
Mathematica [A] time = 0.0295879, size = 66, normalized size = 0.92 \[ \frac{18 a^2 b^2 x^2+\frac{12 a^5}{a+b x}-48 a^3 b x+60 a^4 \log (a+b x)-8 a b^3 x^3+3 b^4 x^4}{12 b^6} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 67, normalized size = 0.9 \begin{align*} -4\,{\frac{{a}^{3}x}{{b}^{5}}}+{\frac{3\,{a}^{2}{x}^{2}}{2\,{b}^{4}}}-{\frac{2\,a{x}^{3}}{3\,{b}^{3}}}+{\frac{{x}^{4}}{4\,{b}^{2}}}+{\frac{{a}^{5}}{{b}^{6} \left ( bx+a \right ) }}+5\,{\frac{{a}^{4}\ln \left ( bx+a \right ) }{{b}^{6}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.04987, size = 95, normalized size = 1.32 \begin{align*} \frac{a^{5}}{b^{7} x + a b^{6}} + \frac{5 \, a^{4} \log \left (b x + a\right )}{b^{6}} + \frac{3 \, b^{3} x^{4} - 8 \, a b^{2} x^{3} + 18 \, a^{2} b x^{2} - 48 \, a^{3} x}{12 \, b^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.58896, size = 186, normalized size = 2.58 \begin{align*} \frac{3 \, b^{5} x^{5} - 5 \, a b^{4} x^{4} + 10 \, a^{2} b^{3} x^{3} - 30 \, a^{3} b^{2} x^{2} - 48 \, a^{4} b x + 12 \, a^{5} + 60 \,{\left (a^{4} b x + a^{5}\right )} \log \left (b x + a\right )}{12 \,{\left (b^{7} x + a b^{6}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.45716, size = 71, normalized size = 0.99 \begin{align*} \frac{a^{5}}{a b^{6} + b^{7} x} + \frac{5 a^{4} \log{\left (a + b x \right )}}{b^{6}} - \frac{4 a^{3} x}{b^{5}} + \frac{3 a^{2} x^{2}}{2 b^{4}} - \frac{2 a x^{3}}{3 b^{3}} + \frac{x^{4}}{4 b^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.17184, size = 122, normalized size = 1.69 \begin{align*} -\frac{{\left (b x + a\right )}^{4}{\left (\frac{20 \, a}{b x + a} - \frac{60 \, a^{2}}{{\left (b x + a\right )}^{2}} + \frac{120 \, a^{3}}{{\left (b x + a\right )}^{3}} - 3\right )}}{12 \, b^{6}} - \frac{5 \, a^{4} \log \left (\frac{{\left | b x + a \right |}}{{\left (b x + a\right )}^{2}{\left | b \right |}}\right )}{b^{6}} + \frac{a^{5}}{{\left (b x + a\right )} b^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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