Integrand size = 23, antiderivative size = 60 \[ \int \left (a+b x^2\right ) \left (A+B x+C x^2+D x^3\right ) \, dx=a A x+\frac {1}{2} a B x^2+\frac {1}{3} (A b+a C) x^3+\frac {1}{4} (b B+a D) x^4+\frac {1}{5} b C x^5+\frac {1}{6} b D x^6 \]
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Time = 0.03 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.043, Rules used = {1824} \[ \int \left (a+b x^2\right ) \left (A+B x+C x^2+D x^3\right ) \, dx=\frac {1}{3} x^3 (a C+A b)+a A x+\frac {1}{4} x^4 (a D+b B)+\frac {1}{2} a B x^2+\frac {1}{5} b C x^5+\frac {1}{6} b D x^6 \]
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Rule 1824
Rubi steps \begin{align*} \text {integral}& = \int \left (a A+a B x+(A b+a C) x^2+(b B+a D) x^3+b C x^4+b D x^5\right ) \, dx \\ & = a A x+\frac {1}{2} a B x^2+\frac {1}{3} (A b+a C) x^3+\frac {1}{4} (b B+a D) x^4+\frac {1}{5} b C x^5+\frac {1}{6} b D x^6 \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.00 \[ \int \left (a+b x^2\right ) \left (A+B x+C x^2+D x^3\right ) \, dx=a A x+\frac {1}{2} a B x^2+\frac {1}{3} (A b+a C) x^3+\frac {1}{4} (b B+a D) x^4+\frac {1}{5} b C x^5+\frac {1}{6} b D x^6 \]
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Time = 0.07 (sec) , antiderivative size = 51, normalized size of antiderivative = 0.85
method | result | size |
default | \(a A x +\frac {B a \,x^{2}}{2}+\frac {\left (A b +C a \right ) x^{3}}{3}+\frac {\left (B b +D a \right ) x^{4}}{4}+\frac {b C \,x^{5}}{5}+\frac {b D x^{6}}{6}\) | \(51\) |
norman | \(\frac {b D x^{6}}{6}+\frac {b C \,x^{5}}{5}+\left (\frac {B b}{4}+\frac {D a}{4}\right ) x^{4}+\left (\frac {A b}{3}+\frac {C a}{3}\right ) x^{3}+\frac {B a \,x^{2}}{2}+a A x\) | \(53\) |
gosper | \(\frac {1}{6} b D x^{6}+\frac {1}{5} b C \,x^{5}+\frac {1}{4} b B \,x^{4}+\frac {1}{4} x^{4} D a +\frac {1}{3} A b \,x^{3}+\frac {1}{3} x^{3} C a +\frac {1}{2} B a \,x^{2}+a A x\) | \(55\) |
parallelrisch | \(\frac {1}{6} b D x^{6}+\frac {1}{5} b C \,x^{5}+\frac {1}{4} b B \,x^{4}+\frac {1}{4} x^{4} D a +\frac {1}{3} A b \,x^{3}+\frac {1}{3} x^{3} C a +\frac {1}{2} B a \,x^{2}+a A x\) | \(55\) |
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Time = 0.25 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.83 \[ \int \left (a+b x^2\right ) \left (A+B x+C x^2+D x^3\right ) \, dx=\frac {1}{6} \, D b x^{6} + \frac {1}{5} \, C b x^{5} + \frac {1}{4} \, {\left (D a + B b\right )} x^{4} + \frac {1}{2} \, B a x^{2} + \frac {1}{3} \, {\left (C a + A b\right )} x^{3} + A a x \]
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Time = 0.02 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.93 \[ \int \left (a+b x^2\right ) \left (A+B x+C x^2+D x^3\right ) \, dx=A a x + \frac {B a x^{2}}{2} + \frac {C b x^{5}}{5} + \frac {D b x^{6}}{6} + x^{4} \left (\frac {B b}{4} + \frac {D a}{4}\right ) + x^{3} \left (\frac {A b}{3} + \frac {C a}{3}\right ) \]
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Time = 0.19 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.83 \[ \int \left (a+b x^2\right ) \left (A+B x+C x^2+D x^3\right ) \, dx=\frac {1}{6} \, D b x^{6} + \frac {1}{5} \, C b x^{5} + \frac {1}{4} \, {\left (D a + B b\right )} x^{4} + \frac {1}{2} \, B a x^{2} + \frac {1}{3} \, {\left (C a + A b\right )} x^{3} + A a x \]
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Time = 0.28 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.90 \[ \int \left (a+b x^2\right ) \left (A+B x+C x^2+D x^3\right ) \, dx=\frac {1}{6} \, D b x^{6} + \frac {1}{5} \, C b x^{5} + \frac {1}{4} \, D a x^{4} + \frac {1}{4} \, B b x^{4} + \frac {1}{3} \, C a x^{3} + \frac {1}{3} \, A b x^{3} + \frac {1}{2} \, B a x^{2} + A a x \]
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Time = 5.88 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.90 \[ \int \left (a+b x^2\right ) \left (A+B x+C x^2+D x^3\right ) \, dx=\frac {a\,x^4\,D}{4}+\frac {b\,x^6\,D}{6}+A\,a\,x+\frac {B\,a\,x^2}{2}+\frac {A\,b\,x^3}{3}+\frac {C\,a\,x^3}{3}+\frac {B\,b\,x^4}{4}+\frac {C\,b\,x^5}{5} \]
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