Integrand size = 16, antiderivative size = 59 \[ \int \frac {(a+b x)^3 (A+B x)}{x^5} \, dx=-\frac {a^3 B}{3 x^3}-\frac {3 a^2 b B}{2 x^2}-\frac {3 a b^2 B}{x}-\frac {A (a+b x)^4}{4 a x^4}+b^3 B \log (x) \]
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Time = 0.01 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {79, 45} \[ \int \frac {(a+b x)^3 (A+B x)}{x^5} \, dx=-\frac {a^3 B}{3 x^3}-\frac {3 a^2 b B}{2 x^2}-\frac {A (a+b x)^4}{4 a x^4}-\frac {3 a b^2 B}{x}+b^3 B \log (x) \]
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Rule 45
Rule 79
Rubi steps \begin{align*} \text {integral}& = -\frac {A (a+b x)^4}{4 a x^4}+B \int \frac {(a+b x)^3}{x^4} \, dx \\ & = -\frac {A (a+b x)^4}{4 a x^4}+B \int \left (\frac {a^3}{x^4}+\frac {3 a^2 b}{x^3}+\frac {3 a b^2}{x^2}+\frac {b^3}{x}\right ) \, dx \\ & = -\frac {a^3 B}{3 x^3}-\frac {3 a^2 b B}{2 x^2}-\frac {3 a b^2 B}{x}-\frac {A (a+b x)^4}{4 a x^4}+b^3 B \log (x) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 70, normalized size of antiderivative = 1.19 \[ \int \frac {(a+b x)^3 (A+B x)}{x^5} \, dx=-\frac {12 A b^3 x^3+18 a b^2 x^2 (A+2 B x)+6 a^2 b x (2 A+3 B x)+a^3 (3 A+4 B x)-12 b^3 B x^4 \log (x)}{12 x^4} \]
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Time = 0.39 (sec) , antiderivative size = 64, normalized size of antiderivative = 1.08
method | result | size |
default | \(b^{3} B \ln \left (x \right )-\frac {a^{2} \left (3 A b +B a \right )}{3 x^{3}}-\frac {b^{2} \left (A b +3 B a \right )}{x}-\frac {3 a b \left (A b +B a \right )}{2 x^{2}}-\frac {a^{3} A}{4 x^{4}}\) | \(64\) |
norman | \(\frac {\left (-\frac {3}{2} a \,b^{2} A -\frac {3}{2} a^{2} b B \right ) x^{2}+\left (-a^{2} b A -\frac {1}{3} a^{3} B \right ) x +\left (-b^{3} A -3 a \,b^{2} B \right ) x^{3}-\frac {a^{3} A}{4}}{x^{4}}+b^{3} B \ln \left (x \right )\) | \(73\) |
risch | \(\frac {\left (-\frac {3}{2} a \,b^{2} A -\frac {3}{2} a^{2} b B \right ) x^{2}+\left (-a^{2} b A -\frac {1}{3} a^{3} B \right ) x +\left (-b^{3} A -3 a \,b^{2} B \right ) x^{3}-\frac {a^{3} A}{4}}{x^{4}}+b^{3} B \ln \left (x \right )\) | \(73\) |
parallelrisch | \(-\frac {-12 b^{3} B \ln \left (x \right ) x^{4}+12 A \,b^{3} x^{3}+36 B a \,b^{2} x^{3}+18 a A \,b^{2} x^{2}+18 B \,a^{2} b \,x^{2}+12 a^{2} A b x +4 a^{3} B x +3 a^{3} A}{12 x^{4}}\) | \(78\) |
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Time = 0.23 (sec) , antiderivative size = 75, normalized size of antiderivative = 1.27 \[ \int \frac {(a+b x)^3 (A+B x)}{x^5} \, dx=\frac {12 \, B b^{3} x^{4} \log \left (x\right ) - 3 \, A a^{3} - 12 \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{3} - 18 \, {\left (B a^{2} b + A a b^{2}\right )} x^{2} - 4 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x}{12 \, x^{4}} \]
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Time = 0.53 (sec) , antiderivative size = 80, normalized size of antiderivative = 1.36 \[ \int \frac {(a+b x)^3 (A+B x)}{x^5} \, dx=B b^{3} \log {\left (x \right )} + \frac {- 3 A a^{3} + x^{3} \left (- 12 A b^{3} - 36 B a b^{2}\right ) + x^{2} \left (- 18 A a b^{2} - 18 B a^{2} b\right ) + x \left (- 12 A a^{2} b - 4 B a^{3}\right )}{12 x^{4}} \]
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Time = 0.19 (sec) , antiderivative size = 72, normalized size of antiderivative = 1.22 \[ \int \frac {(a+b x)^3 (A+B x)}{x^5} \, dx=B b^{3} \log \left (x\right ) - \frac {3 \, A a^{3} + 12 \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{3} + 18 \, {\left (B a^{2} b + A a b^{2}\right )} x^{2} + 4 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x}{12 \, x^{4}} \]
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Time = 0.29 (sec) , antiderivative size = 73, normalized size of antiderivative = 1.24 \[ \int \frac {(a+b x)^3 (A+B x)}{x^5} \, dx=B b^{3} \log \left ({\left | x \right |}\right ) - \frac {3 \, A a^{3} + 12 \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{3} + 18 \, {\left (B a^{2} b + A a b^{2}\right )} x^{2} + 4 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x}{12 \, x^{4}} \]
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Time = 0.34 (sec) , antiderivative size = 71, normalized size of antiderivative = 1.20 \[ \int \frac {(a+b x)^3 (A+B x)}{x^5} \, dx=B\,b^3\,\ln \left (x\right )-\frac {x^2\,\left (\frac {3\,B\,a^2\,b}{2}+\frac {3\,A\,a\,b^2}{2}\right )+x\,\left (\frac {B\,a^3}{3}+A\,b\,a^2\right )+\frac {A\,a^3}{4}+x^3\,\left (A\,b^3+3\,B\,a\,b^2\right )}{x^4} \]
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