Optimal. Leaf size=69 \[ -\frac {b (A b-a B) \log \left (a+b x^3\right )}{3 a^3}+\frac {b \log (x) (A b-a B)}{a^3}+\frac {A b-a B}{3 a^2 x^3}-\frac {A}{6 a x^6} \]
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Rubi [A] time = 0.06, antiderivative size = 69, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {446, 77} \begin {gather*} \frac {A b-a B}{3 a^2 x^3}-\frac {b (A b-a B) \log \left (a+b x^3\right )}{3 a^3}+\frac {b \log (x) (A b-a B)}{a^3}-\frac {A}{6 a x^6} \end {gather*}
Antiderivative was successfully verified.
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Rule 77
Rule 446
Rubi steps
\begin {align*} \int \frac {A+B x^3}{x^7 \left (a+b x^3\right )} \, dx &=\frac {1}{3} \operatorname {Subst}\left (\int \frac {A+B x}{x^3 (a+b x)} \, dx,x,x^3\right )\\ &=\frac {1}{3} \operatorname {Subst}\left (\int \left (\frac {A}{a x^3}+\frac {-A b+a B}{a^2 x^2}-\frac {b (-A b+a B)}{a^3 x}+\frac {b^2 (-A b+a B)}{a^3 (a+b x)}\right ) \, dx,x,x^3\right )\\ &=-\frac {A}{6 a x^6}+\frac {A b-a B}{3 a^2 x^3}+\frac {b (A b-a B) \log (x)}{a^3}-\frac {b (A b-a B) \log \left (a+b x^3\right )}{3 a^3}\\ \end {align*}
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Mathematica [A] time = 0.03, size = 70, normalized size = 1.01 \begin {gather*} \frac {6 b x^6 \log (x) (A b-a B)-a \left (a A+2 a B x^3-2 A b x^3\right )+2 b x^6 (a B-A b) \log \left (a+b x^3\right )}{6 a^3 x^6} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {A+B x^3}{x^7 \left (a+b x^3\right )} \, dx \end {gather*}
Verification is not applicable to the result.
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fricas [A] time = 0.53, size = 73, normalized size = 1.06 \begin {gather*} \frac {2 \, {\left (B a b - A b^{2}\right )} x^{6} \log \left (b x^{3} + a\right ) - 6 \, {\left (B a b - A b^{2}\right )} x^{6} \log \relax (x) - 2 \, {\left (B a^{2} - A a b\right )} x^{3} - A a^{2}}{6 \, a^{3} x^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.19, size = 99, normalized size = 1.43 \begin {gather*} -\frac {{\left (B a b - A b^{2}\right )} \log \left ({\left | x \right |}\right )}{a^{3}} + \frac {{\left (B a b^{2} - A b^{3}\right )} \log \left ({\left | b x^{3} + a \right |}\right )}{3 \, a^{3} b} + \frac {3 \, B a b x^{6} - 3 \, A b^{2} x^{6} - 2 \, B a^{2} x^{3} + 2 \, A a b x^{3} - A a^{2}}{6 \, a^{3} x^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.05, size = 81, normalized size = 1.17 \begin {gather*} \frac {A \,b^{2} \ln \relax (x )}{a^{3}}-\frac {A \,b^{2} \ln \left (b \,x^{3}+a \right )}{3 a^{3}}-\frac {B b \ln \relax (x )}{a^{2}}+\frac {B b \ln \left (b \,x^{3}+a \right )}{3 a^{2}}+\frac {A b}{3 a^{2} x^{3}}-\frac {B}{3 a \,x^{3}}-\frac {A}{6 a \,x^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.49, size = 70, normalized size = 1.01 \begin {gather*} \frac {{\left (B a b - A b^{2}\right )} \log \left (b x^{3} + a\right )}{3 \, a^{3}} - \frac {{\left (B a b - A b^{2}\right )} \log \left (x^{3}\right )}{3 \, a^{3}} - \frac {2 \, {\left (B a - A b\right )} x^{3} + A a}{6 \, a^{2} x^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.13, size = 70, normalized size = 1.01 \begin {gather*} \frac {\ln \relax (x)\,\left (A\,b^2-B\,a\,b\right )}{a^3}-\frac {\ln \left (b\,x^3+a\right )\,\left (A\,b^2-B\,a\,b\right )}{3\,a^3}-\frac {\frac {A}{6\,a}-\frac {x^3\,\left (A\,b-B\,a\right )}{3\,a^2}}{x^6} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 2.69, size = 61, normalized size = 0.88 \begin {gather*} \frac {- A a + x^{3} \left (2 A b - 2 B a\right )}{6 a^{2} x^{6}} - \frac {b \left (- A b + B a\right ) \log {\relax (x )}}{a^{3}} + \frac {b \left (- A b + B a\right ) \log {\left (\frac {a}{b} + x^{3} \right )}}{3 a^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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