Integrand size = 16, antiderivative size = 65 \[ \int \frac {(a+b x)^3 (A+B x)}{x^3} \, dx=-\frac {a^3 A}{2 x^2}-\frac {a^2 (3 A b+a B)}{x}+b^2 (A b+3 a B) x+\frac {1}{2} b^3 B x^2+3 a b (A b+a B) \log (x) \]
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Time = 0.03 (sec) , antiderivative size = 65, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {77} \[ \int \frac {(a+b x)^3 (A+B x)}{x^3} \, dx=-\frac {a^3 A}{2 x^2}-\frac {a^2 (a B+3 A b)}{x}+b^2 x (3 a B+A b)+3 a b \log (x) (a B+A b)+\frac {1}{2} b^3 B x^2 \]
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Rule 77
Rubi steps \begin{align*} \text {integral}& = \int \left (b^2 (A b+3 a B)+\frac {a^3 A}{x^3}+\frac {a^2 (3 A b+a B)}{x^2}+\frac {3 a b (A b+a B)}{x}+b^3 B x\right ) \, dx \\ & = -\frac {a^3 A}{2 x^2}-\frac {a^2 (3 A b+a B)}{x}+b^2 (A b+3 a B) x+\frac {1}{2} b^3 B x^2+3 a b (A b+a B) \log (x) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 62, normalized size of antiderivative = 0.95 \[ \int \frac {(a+b x)^3 (A+B x)}{x^3} \, dx=\frac {1}{2} \left (-\frac {6 a^2 A b}{x}+6 a b^2 B x+b^3 x (2 A+B x)-\frac {a^3 (A+2 B x)}{x^2}+6 a b (A b+a B) \log (x)\right ) \]
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Time = 0.39 (sec) , antiderivative size = 63, normalized size of antiderivative = 0.97
method | result | size |
default | \(\frac {b^{3} B \,x^{2}}{2}+A \,b^{3} x +3 B a \,b^{2} x +3 a b \left (A b +B a \right ) \ln \left (x \right )-\frac {a^{2} \left (3 A b +B a \right )}{x}-\frac {a^{3} A}{2 x^{2}}\) | \(63\) |
risch | \(\frac {b^{3} B \,x^{2}}{2}+A \,b^{3} x +3 B a \,b^{2} x +\frac {\left (-3 a^{2} b A -a^{3} B \right ) x -\frac {a^{3} A}{2}}{x^{2}}+3 A \ln \left (x \right ) a \,b^{2}+3 B \ln \left (x \right ) a^{2} b\) | \(70\) |
norman | \(\frac {\left (b^{3} A +3 a \,b^{2} B \right ) x^{3}+\left (-3 a^{2} b A -a^{3} B \right ) x -\frac {a^{3} A}{2}+\frac {b^{3} B \,x^{4}}{2}}{x^{2}}+\left (3 a \,b^{2} A +3 a^{2} b B \right ) \ln \left (x \right )\) | \(73\) |
parallelrisch | \(\frac {b^{3} B \,x^{4}+6 A \ln \left (x \right ) x^{2} a \,b^{2}+2 A \,b^{3} x^{3}+6 B \ln \left (x \right ) x^{2} a^{2} b +6 B a \,b^{2} x^{3}-6 a^{2} A b x -2 a^{3} B x -a^{3} A}{2 x^{2}}\) | \(79\) |
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Time = 0.22 (sec) , antiderivative size = 74, normalized size of antiderivative = 1.14 \[ \int \frac {(a+b x)^3 (A+B x)}{x^3} \, dx=\frac {B b^{3} x^{4} - A a^{3} + 2 \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{3} + 6 \, {\left (B a^{2} b + A a b^{2}\right )} x^{2} \log \left (x\right ) - 2 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x}{2 \, x^{2}} \]
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Time = 0.19 (sec) , antiderivative size = 68, normalized size of antiderivative = 1.05 \[ \int \frac {(a+b x)^3 (A+B x)}{x^3} \, dx=\frac {B b^{3} x^{2}}{2} + 3 a b \left (A b + B a\right ) \log {\left (x \right )} + x \left (A b^{3} + 3 B a b^{2}\right ) + \frac {- A a^{3} + x \left (- 6 A a^{2} b - 2 B a^{3}\right )}{2 x^{2}} \]
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Time = 0.20 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.06 \[ \int \frac {(a+b x)^3 (A+B x)}{x^3} \, dx=\frac {1}{2} \, B b^{3} x^{2} + {\left (3 \, B a b^{2} + A b^{3}\right )} x + 3 \, {\left (B a^{2} b + A a b^{2}\right )} \log \left (x\right ) - \frac {A a^{3} + 2 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x}{2 \, x^{2}} \]
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Time = 0.28 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.06 \[ \int \frac {(a+b x)^3 (A+B x)}{x^3} \, dx=\frac {1}{2} \, B b^{3} x^{2} + 3 \, B a b^{2} x + A b^{3} x + 3 \, {\left (B a^{2} b + A a b^{2}\right )} \log \left ({\left | x \right |}\right ) - \frac {A a^{3} + 2 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x}{2 \, x^{2}} \]
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Time = 0.05 (sec) , antiderivative size = 70, normalized size of antiderivative = 1.08 \[ \int \frac {(a+b x)^3 (A+B x)}{x^3} \, dx=\ln \left (x\right )\,\left (3\,B\,a^2\,b+3\,A\,a\,b^2\right )-\frac {x\,\left (B\,a^3+3\,A\,b\,a^2\right )+\frac {A\,a^3}{2}}{x^2}+x\,\left (A\,b^3+3\,B\,a\,b^2\right )+\frac {B\,b^3\,x^2}{2} \]
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