Integrand size = 16, antiderivative size = 56 \[ \int (a+b x) (A+B x) (d+e x) \, dx=a A d x+\frac {1}{2} (A b d+a B d+a A e) x^2+\frac {1}{3} (b B d+A b e+a B e) x^3+\frac {1}{4} b B e x^4 \]
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Time = 0.03 (sec) , antiderivative size = 56, 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 = {78} \[ \int (a+b x) (A+B x) (d+e x) \, dx=\frac {1}{3} x^3 (a B e+A b e+b B d)+\frac {1}{2} x^2 (a A e+a B d+A b d)+a A d x+\frac {1}{4} b B e x^4 \]
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Rule 78
Rubi steps \begin{align*} \text {integral}& = \int \left (a A d+(A b d+a B d+a A e) x+(b B d+A b e+a B e) x^2+b B e x^3\right ) \, dx \\ & = a A d x+\frac {1}{2} (A b d+a B d+a A e) x^2+\frac {1}{3} (b B d+A b e+a B e) x^3+\frac {1}{4} b B e x^4 \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.95 \[ \int (a+b x) (A+B x) (d+e x) \, dx=\frac {1}{12} x \left (12 a A d+6 (A b d+a B d+a A e) x+4 (b B d+A b e+a B e) x^2+3 b B e x^3\right ) \]
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Time = 0.01 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.95
method | result | size |
default | \(\frac {b B e \,x^{4}}{4}+\frac {\left (\left (A b +B a \right ) e +B b d \right ) x^{3}}{3}+\frac {\left (A a e +\left (A b +B a \right ) d \right ) x^{2}}{2}+a A d x\) | \(53\) |
norman | \(\frac {b B e \,x^{4}}{4}+\left (\frac {1}{3} A b e +\frac {1}{3} B a e +\frac {1}{3} B b d \right ) x^{3}+\left (\frac {1}{2} A a e +\frac {1}{2} A b d +\frac {1}{2} B a d \right ) x^{2}+a A d x\) | \(55\) |
gosper | \(\frac {1}{4} b B e \,x^{4}+\frac {1}{3} x^{3} A b e +\frac {1}{3} x^{3} B a e +\frac {1}{3} x^{3} B b d +\frac {1}{2} x^{2} A a e +\frac {1}{2} x^{2} A b d +\frac {1}{2} x^{2} B a d +a A d x\) | \(63\) |
risch | \(\frac {1}{4} b B e \,x^{4}+\frac {1}{3} x^{3} A b e +\frac {1}{3} x^{3} B a e +\frac {1}{3} x^{3} B b d +\frac {1}{2} x^{2} A a e +\frac {1}{2} x^{2} A b d +\frac {1}{2} x^{2} B a d +a A d x\) | \(63\) |
parallelrisch | \(\frac {1}{4} b B e \,x^{4}+\frac {1}{3} x^{3} A b e +\frac {1}{3} x^{3} B a e +\frac {1}{3} x^{3} B b d +\frac {1}{2} x^{2} A a e +\frac {1}{2} x^{2} A b d +\frac {1}{2} x^{2} B a d +a A d x\) | \(63\) |
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none
Time = 0.21 (sec) , antiderivative size = 62, normalized size of antiderivative = 1.11 \[ \int (a+b x) (A+B x) (d+e x) \, dx=\frac {1}{4} x^{4} e b B + \frac {1}{3} x^{3} d b B + \frac {1}{3} x^{3} e a B + \frac {1}{3} x^{3} e b A + \frac {1}{2} x^{2} d a B + \frac {1}{2} x^{2} d b A + \frac {1}{2} x^{2} e a A + x d a A \]
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Time = 0.02 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.12 \[ \int (a+b x) (A+B x) (d+e x) \, dx=A a d x + \frac {B b e x^{4}}{4} + x^{3} \left (\frac {A b e}{3} + \frac {B a e}{3} + \frac {B b d}{3}\right ) + x^{2} \left (\frac {A a e}{2} + \frac {A b d}{2} + \frac {B a d}{2}\right ) \]
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none
Time = 0.20 (sec) , antiderivative size = 52, normalized size of antiderivative = 0.93 \[ \int (a+b x) (A+B x) (d+e x) \, dx=\frac {1}{4} \, B b e x^{4} + A a d x + \frac {1}{3} \, {\left (B b d + {\left (B a + A b\right )} e\right )} x^{3} + \frac {1}{2} \, {\left (A a e + {\left (B a + A b\right )} d\right )} x^{2} \]
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none
Time = 0.28 (sec) , antiderivative size = 62, normalized size of antiderivative = 1.11 \[ \int (a+b x) (A+B x) (d+e x) \, dx=\frac {1}{4} \, B b e x^{4} + \frac {1}{3} \, B b d x^{3} + \frac {1}{3} \, B a e x^{3} + \frac {1}{3} \, A b e x^{3} + \frac {1}{2} \, B a d x^{2} + \frac {1}{2} \, A b d x^{2} + \frac {1}{2} \, A a e x^{2} + A a d x \]
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Time = 0.05 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.96 \[ \int (a+b x) (A+B x) (d+e x) \, dx=\frac {B\,b\,e\,x^4}{4}+\left (\frac {A\,b\,e}{3}+\frac {B\,a\,e}{3}+\frac {B\,b\,d}{3}\right )\,x^3+\left (\frac {A\,a\,e}{2}+\frac {A\,b\,d}{2}+\frac {B\,a\,d}{2}\right )\,x^2+A\,a\,d\,x \]
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