Integrand size = 30, antiderivative size = 95 \[ \int \frac {c+d x^3+e x^6+f x^9}{x^7 \left (a+b x^3\right )} \, dx=-\frac {c}{6 a x^6}+\frac {b c-a d}{3 a^2 x^3}+\frac {\left (b^2 c-a b d+a^2 e\right ) \log (x)}{a^3}-\frac {\left (b^3 c-a b^2 d+a^2 b e-a^3 f\right ) \log \left (a+b x^3\right )}{3 a^3 b} \]
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Time = 0.08 (sec) , antiderivative size = 95, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {1835, 1634} \[ \int \frac {c+d x^3+e x^6+f x^9}{x^7 \left (a+b x^3\right )} \, dx=\frac {b c-a d}{3 a^2 x^3}+\frac {\log (x) \left (a^2 e-a b d+b^2 c\right )}{a^3}-\frac {\log \left (a+b x^3\right ) \left (a^3 (-f)+a^2 b e-a b^2 d+b^3 c\right )}{3 a^3 b}-\frac {c}{6 a x^6} \]
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Rule 1634
Rule 1835
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} \text {Subst}\left (\int \frac {c+d x+e x^2+f x^3}{x^3 (a+b x)} \, dx,x,x^3\right ) \\ & = \frac {1}{3} \text {Subst}\left (\int \left (\frac {c}{a x^3}+\frac {-b c+a d}{a^2 x^2}+\frac {b^2 c-a b d+a^2 e}{a^3 x}+\frac {-b^3 c+a b^2 d-a^2 b e+a^3 f}{a^3 (a+b x)}\right ) \, dx,x,x^3\right ) \\ & = -\frac {c}{6 a x^6}+\frac {b c-a d}{3 a^2 x^3}+\frac {\left (b^2 c-a b d+a^2 e\right ) \log (x)}{a^3}-\frac {\left (b^3 c-a b^2 d+a^2 b e-a^3 f\right ) \log \left (a+b x^3\right )}{3 a^3 b} \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 88, normalized size of antiderivative = 0.93 \[ \int \frac {c+d x^3+e x^6+f x^9}{x^7 \left (a+b x^3\right )} \, dx=\frac {-\frac {a \left (a c-2 b c x^3+2 a d x^3\right )}{x^6}+6 \left (b^2 c-a b d+a^2 e\right ) \log (x)+\left (-2 b^2 c+2 a b d-2 a^2 e+\frac {2 a^3 f}{b}\right ) \log \left (a+b x^3\right )}{6 a^3} \]
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Time = 1.51 (sec) , antiderivative size = 90, normalized size of antiderivative = 0.95
method | result | size |
default | \(-\frac {c}{6 a \,x^{6}}-\frac {a d -b c}{3 a^{2} x^{3}}+\frac {\left (a^{2} e -a b d +b^{2} c \right ) \ln \left (x \right )}{a^{3}}+\frac {\left (f \,a^{3}-a^{2} b e +a \,b^{2} d -b^{3} c \right ) \ln \left (b \,x^{3}+a \right )}{3 a^{3} b}\) | \(90\) |
norman | \(\frac {-\frac {c}{6 a}-\frac {\left (a d -b c \right ) x^{3}}{3 a^{2}}}{x^{6}}+\frac {\left (a^{2} e -a b d +b^{2} c \right ) \ln \left (x \right )}{a^{3}}+\frac {\left (f \,a^{3}-a^{2} b e +a \,b^{2} d -b^{3} c \right ) \ln \left (b \,x^{3}+a \right )}{3 a^{3} b}\) | \(92\) |
risch | \(\frac {-\frac {c}{6 a}-\frac {\left (a d -b c \right ) x^{3}}{3 a^{2}}}{x^{6}}+\frac {e \ln \left (x \right )}{a}-\frac {\ln \left (x \right ) b d}{a^{2}}+\frac {\ln \left (x \right ) b^{2} c}{a^{3}}+\frac {\ln \left (-b \,x^{3}-a \right ) f}{3 b}-\frac {\ln \left (-b \,x^{3}-a \right ) e}{3 a}+\frac {b \ln \left (-b \,x^{3}-a \right ) d}{3 a^{2}}-\frac {b^{2} \ln \left (-b \,x^{3}-a \right ) c}{3 a^{3}}\) | \(127\) |
parallelrisch | \(\frac {6 \ln \left (x \right ) x^{6} a^{2} b e -6 \ln \left (x \right ) x^{6} a \,b^{2} d +6 \ln \left (x \right ) x^{6} b^{3} c +2 \ln \left (b \,x^{3}+a \right ) x^{6} a^{3} f -2 \ln \left (b \,x^{3}+a \right ) x^{6} a^{2} b e +2 \ln \left (b \,x^{3}+a \right ) x^{6} a \,b^{2} d -2 \ln \left (b \,x^{3}+a \right ) x^{6} b^{3} c -2 a^{2} b d \,x^{3}+2 a \,b^{2} c \,x^{3}-a^{2} b c}{6 a^{3} x^{6} b}\) | \(145\) |
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Time = 0.33 (sec) , antiderivative size = 101, normalized size of antiderivative = 1.06 \[ \int \frac {c+d x^3+e x^6+f x^9}{x^7 \left (a+b x^3\right )} \, dx=-\frac {2 \, {\left (b^{3} c - a b^{2} d + a^{2} b e - a^{3} f\right )} x^{6} \log \left (b x^{3} + a\right ) - 6 \, {\left (b^{3} c - a b^{2} d + a^{2} b e\right )} x^{6} \log \left (x\right ) + a^{2} b c - 2 \, {\left (a b^{2} c - a^{2} b d\right )} x^{3}}{6 \, a^{3} b x^{6}} \]
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Timed out. \[ \int \frac {c+d x^3+e x^6+f x^9}{x^7 \left (a+b x^3\right )} \, dx=\text {Timed out} \]
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Time = 0.19 (sec) , antiderivative size = 93, normalized size of antiderivative = 0.98 \[ \int \frac {c+d x^3+e x^6+f x^9}{x^7 \left (a+b x^3\right )} \, dx=\frac {{\left (b^{2} c - a b d + a^{2} e\right )} \log \left (x^{3}\right )}{3 \, a^{3}} - \frac {{\left (b^{3} c - a b^{2} d + a^{2} b e - a^{3} f\right )} \log \left (b x^{3} + a\right )}{3 \, a^{3} b} + \frac {2 \, {\left (b c - a d\right )} x^{3} - a c}{6 \, a^{2} x^{6}} \]
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Time = 0.26 (sec) , antiderivative size = 123, normalized size of antiderivative = 1.29 \[ \int \frac {c+d x^3+e x^6+f x^9}{x^7 \left (a+b x^3\right )} \, dx=\frac {{\left (b^{2} c - a b d + a^{2} e\right )} \log \left ({\left | x \right |}\right )}{a^{3}} - \frac {{\left (b^{3} c - a b^{2} d + a^{2} b e - a^{3} f\right )} \log \left ({\left | b x^{3} + a \right |}\right )}{3 \, a^{3} b} - \frac {3 \, b^{2} c x^{6} - 3 \, a b d x^{6} + 3 \, a^{2} e x^{6} - 2 \, a b c x^{3} + 2 \, a^{2} d x^{3} + a^{2} c}{6 \, a^{3} x^{6}} \]
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Time = 9.13 (sec) , antiderivative size = 92, normalized size of antiderivative = 0.97 \[ \int \frac {c+d x^3+e x^6+f x^9}{x^7 \left (a+b x^3\right )} \, dx=\frac {\ln \left (x\right )\,\left (e\,a^2-d\,a\,b+c\,b^2\right )}{a^3}-\frac {\frac {c}{6\,a}+\frac {x^3\,\left (a\,d-b\,c\right )}{3\,a^2}}{x^6}-\frac {\ln \left (b\,x^3+a\right )\,\left (-f\,a^3+e\,a^2\,b-d\,a\,b^2+c\,b^3\right )}{3\,a^3\,b} \]
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