Optimal. Leaf size=92 \[ \frac{(a+b x)^2 \left (-\frac{c \log (f)}{(a+b x)^3}\right )^{2/3} \text{Gamma}\left (-\frac{2}{3},-\frac{c \log (f)}{(a+b x)^3}\right )}{3 b^2}-\frac{a (a+b x) \sqrt [3]{-\frac{c \log (f)}{(a+b x)^3}} \text{Gamma}\left (-\frac{1}{3},-\frac{c \log (f)}{(a+b x)^3}\right )}{3 b^2} \]
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Rubi [A] time = 0.0518568, antiderivative size = 92, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.231, Rules used = {2226, 2208, 2218} \[ \frac{(a+b x)^2 \left (-\frac{c \log (f)}{(a+b x)^3}\right )^{2/3} \text{Gamma}\left (-\frac{2}{3},-\frac{c \log (f)}{(a+b x)^3}\right )}{3 b^2}-\frac{a (a+b x) \sqrt [3]{-\frac{c \log (f)}{(a+b x)^3}} \text{Gamma}\left (-\frac{1}{3},-\frac{c \log (f)}{(a+b x)^3}\right )}{3 b^2} \]
Antiderivative was successfully verified.
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Rule 2226
Rule 2208
Rule 2218
Rubi steps
\begin{align*} \int f^{\frac{c}{(a+b x)^3}} x \, dx &=\int \left (-\frac{a f^{\frac{c}{(a+b x)^3}}}{b}+\frac{f^{\frac{c}{(a+b x)^3}} (a+b x)}{b}\right ) \, dx\\ &=\frac{\int f^{\frac{c}{(a+b x)^3}} (a+b x) \, dx}{b}-\frac{a \int f^{\frac{c}{(a+b x)^3}} \, dx}{b}\\ &=-\frac{a (a+b x) \Gamma \left (-\frac{1}{3},-\frac{c \log (f)}{(a+b x)^3}\right ) \sqrt [3]{-\frac{c \log (f)}{(a+b x)^3}}}{3 b^2}+\frac{(a+b x)^2 \Gamma \left (-\frac{2}{3},-\frac{c \log (f)}{(a+b x)^3}\right ) \left (-\frac{c \log (f)}{(a+b x)^3}\right )^{2/3}}{3 b^2}\\ \end{align*}
Mathematica [A] time = 0.067011, size = 86, normalized size = 0.93 \[ \frac{(a+b x) \left ((a+b x) \left (-\frac{c \log (f)}{(a+b x)^3}\right )^{2/3} \text{Gamma}\left (-\frac{2}{3},-\frac{c \log (f)}{(a+b x)^3}\right )-a \sqrt [3]{-\frac{c \log (f)}{(a+b x)^3}} \text{Gamma}\left (-\frac{1}{3},-\frac{c \log (f)}{(a+b x)^3}\right )\right )}{3 b^2} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.033, size = 0, normalized size = 0. \begin{align*} \int{f}^{{\frac{c}{ \left ( bx+a \right ) ^{3}}}}x\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} 3 \, b c \int \frac{f^{\frac{c}{b^{3} x^{3} + 3 \, a b^{2} x^{2} + 3 \, a^{2} b x + a^{3}}} x^{2}}{2 \,{\left (b^{4} x^{4} + 4 \, a b^{3} x^{3} + 6 \, a^{2} b^{2} x^{2} + 4 \, a^{3} b x + a^{4}\right )}}\,{d x} \log \left (f\right ) + \frac{1}{2} \, f^{\frac{c}{b^{3} x^{3} + 3 \, a b^{2} x^{2} + 3 \, a^{2} b x + a^{3}}} x^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.5793, size = 354, normalized size = 3.85 \begin{align*} -\frac{b^{2} \left (-\frac{c \log \left (f\right )}{b^{3}}\right )^{\frac{2}{3}} \Gamma \left (\frac{1}{3}, -\frac{c \log \left (f\right )}{b^{3} x^{3} + 3 \, a b^{2} x^{2} + 3 \, a^{2} b x + a^{3}}\right ) - 2 \, a b \left (-\frac{c \log \left (f\right )}{b^{3}}\right )^{\frac{1}{3}} \Gamma \left (\frac{2}{3}, -\frac{c \log \left (f\right )}{b^{3} x^{3} + 3 \, a b^{2} x^{2} + 3 \, a^{2} b x + a^{3}}\right ) -{\left (b^{2} x^{2} - a^{2}\right )} f^{\frac{c}{b^{3} x^{3} + 3 \, a b^{2} x^{2} + 3 \, a^{2} b x + a^{3}}}}{2 \, b^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int f^{\frac{c}{{\left (b x + a\right )}^{3}}} x\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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