Integrand size = 17, antiderivative size = 36 \[ \int \frac {1}{120} (-4+x) (-3+x) (-2+x) (-1+x) x \, dx=\frac {x^2}{10}-\frac {5 x^3}{36}+\frac {7 x^4}{96}-\frac {x^5}{60}+\frac {x^6}{720} \]
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Time = 0.04 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {12, 1620} \[ \int \frac {1}{120} (-4+x) (-3+x) (-2+x) (-1+x) x \, dx=\frac {x^6}{720}-\frac {x^5}{60}+\frac {7 x^4}{96}-\frac {5 x^3}{36}+\frac {x^2}{10} \]
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Rule 12
Rule 1620
Rubi steps \begin{align*} \text {integral}& = \frac {1}{120} \int (-4+x) (-3+x) (-2+x) (-1+x) x \, dx \\ & = \frac {1}{120} \int \left (24 x-50 x^2+35 x^3-10 x^4+x^5\right ) \, dx \\ & = \frac {x^2}{10}-\frac {5 x^3}{36}+\frac {7 x^4}{96}-\frac {x^5}{60}+\frac {x^6}{720} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.00 \[ \int \frac {1}{120} (-4+x) (-3+x) (-2+x) (-1+x) x \, dx=\frac {1}{120} \left (12 x^2-\frac {50 x^3}{3}+\frac {35 x^4}{4}-2 x^5+\frac {x^6}{6}\right ) \]
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Time = 0.02 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.75
method | result | size |
gosper | \(\frac {1}{10} x^{2}-\frac {5}{36} x^{3}+\frac {7}{96} x^{4}-\frac {1}{60} x^{5}+\frac {1}{720} x^{6}\) | \(27\) |
default | \(\frac {1}{10} x^{2}-\frac {5}{36} x^{3}+\frac {7}{96} x^{4}-\frac {1}{60} x^{5}+\frac {1}{720} x^{6}\) | \(27\) |
norman | \(\frac {1}{10} x^{2}-\frac {5}{36} x^{3}+\frac {7}{96} x^{4}-\frac {1}{60} x^{5}+\frac {1}{720} x^{6}\) | \(27\) |
risch | \(\frac {1}{10} x^{2}-\frac {5}{36} x^{3}+\frac {7}{96} x^{4}-\frac {1}{60} x^{5}+\frac {1}{720} x^{6}\) | \(27\) |
parallelrisch | \(\frac {1}{10} x^{2}-\frac {5}{36} x^{3}+\frac {7}{96} x^{4}-\frac {1}{60} x^{5}+\frac {1}{720} x^{6}\) | \(27\) |
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Time = 0.22 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.72 \[ \int \frac {1}{120} (-4+x) (-3+x) (-2+x) (-1+x) x \, dx=\frac {1}{720} \, x^{6} - \frac {1}{60} \, x^{5} + \frac {7}{96} \, x^{4} - \frac {5}{36} \, x^{3} + \frac {1}{10} \, x^{2} \]
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Time = 0.02 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.75 \[ \int \frac {1}{120} (-4+x) (-3+x) (-2+x) (-1+x) x \, dx=\frac {x^{6}}{720} - \frac {x^{5}}{60} + \frac {7 x^{4}}{96} - \frac {5 x^{3}}{36} + \frac {x^{2}}{10} \]
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Time = 0.21 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.72 \[ \int \frac {1}{120} (-4+x) (-3+x) (-2+x) (-1+x) x \, dx=\frac {1}{720} \, x^{6} - \frac {1}{60} \, x^{5} + \frac {7}{96} \, x^{4} - \frac {5}{36} \, x^{3} + \frac {1}{10} \, x^{2} \]
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Time = 0.26 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.64 \[ \int \frac {1}{120} (-4+x) (-3+x) (-2+x) (-1+x) x \, dx=\frac {1}{720} \, {\left (x^{2} - 4 \, x\right )}^{3} + \frac {1}{160} \, {\left (x^{2} - 4 \, x\right )}^{2} \]
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Time = 0.02 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.72 \[ \int \frac {1}{120} (-4+x) (-3+x) (-2+x) (-1+x) x \, dx=\frac {x^6}{720}-\frac {x^5}{60}+\frac {7\,x^4}{96}-\frac {5\,x^3}{36}+\frac {x^2}{10} \]
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