Integrand size = 24, antiderivative size = 35 \[ \int x^2 \left (a+8 x-8 x^2+4 x^3-x^4\right ) \, dx=\frac {a x^3}{3}+2 x^4-\frac {8 x^5}{5}+\frac {2 x^6}{3}-\frac {x^7}{7} \]
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Time = 0.01 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.042, Rules used = {14} \[ \int x^2 \left (a+8 x-8 x^2+4 x^3-x^4\right ) \, dx=\frac {a x^3}{3}-\frac {x^7}{7}+\frac {2 x^6}{3}-\frac {8 x^5}{5}+2 x^4 \]
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Rule 14
Rubi steps \begin{align*} \text {integral}& = \int \left (a x^2+8 x^3-8 x^4+4 x^5-x^6\right ) \, dx \\ & = \frac {a x^3}{3}+2 x^4-\frac {8 x^5}{5}+\frac {2 x^6}{3}-\frac {x^7}{7} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00 \[ \int x^2 \left (a+8 x-8 x^2+4 x^3-x^4\right ) \, dx=\frac {a x^3}{3}+2 x^4-\frac {8 x^5}{5}+\frac {2 x^6}{3}-\frac {x^7}{7} \]
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Time = 0.02 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.80
method | result | size |
gosper | \(\frac {1}{3} a \,x^{3}+2 x^{4}-\frac {8}{5} x^{5}+\frac {2}{3} x^{6}-\frac {1}{7} x^{7}\) | \(28\) |
default | \(\frac {1}{3} a \,x^{3}+2 x^{4}-\frac {8}{5} x^{5}+\frac {2}{3} x^{6}-\frac {1}{7} x^{7}\) | \(28\) |
norman | \(\frac {1}{3} a \,x^{3}+2 x^{4}-\frac {8}{5} x^{5}+\frac {2}{3} x^{6}-\frac {1}{7} x^{7}\) | \(28\) |
risch | \(\frac {1}{3} a \,x^{3}+2 x^{4}-\frac {8}{5} x^{5}+\frac {2}{3} x^{6}-\frac {1}{7} x^{7}\) | \(28\) |
parallelrisch | \(\frac {1}{3} a \,x^{3}+2 x^{4}-\frac {8}{5} x^{5}+\frac {2}{3} x^{6}-\frac {1}{7} x^{7}\) | \(28\) |
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Time = 0.24 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.77 \[ \int x^2 \left (a+8 x-8 x^2+4 x^3-x^4\right ) \, dx=-\frac {1}{7} \, x^{7} + \frac {2}{3} \, x^{6} - \frac {8}{5} \, x^{5} + \frac {1}{3} \, a x^{3} + 2 \, x^{4} \]
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Time = 0.02 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.83 \[ \int x^2 \left (a+8 x-8 x^2+4 x^3-x^4\right ) \, dx=\frac {a x^{3}}{3} - \frac {x^{7}}{7} + \frac {2 x^{6}}{3} - \frac {8 x^{5}}{5} + 2 x^{4} \]
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none
Time = 0.19 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.77 \[ \int x^2 \left (a+8 x-8 x^2+4 x^3-x^4\right ) \, dx=-\frac {1}{7} \, x^{7} + \frac {2}{3} \, x^{6} - \frac {8}{5} \, x^{5} + \frac {1}{3} \, a x^{3} + 2 \, x^{4} \]
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Time = 0.28 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.77 \[ \int x^2 \left (a+8 x-8 x^2+4 x^3-x^4\right ) \, dx=-\frac {1}{7} \, x^{7} + \frac {2}{3} \, x^{6} - \frac {8}{5} \, x^{5} + \frac {1}{3} \, a x^{3} + 2 \, x^{4} \]
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Time = 0.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.77 \[ \int x^2 \left (a+8 x-8 x^2+4 x^3-x^4\right ) \, dx=-\frac {x^7}{7}+\frac {2\,x^6}{3}-\frac {8\,x^5}{5}+2\,x^4+\frac {a\,x^3}{3} \]
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