Integrand size = 11, antiderivative size = 30 \[ \int x \left (a+b x^4\right )^2 \, dx=\frac {a^2 x^2}{2}+\frac {1}{3} a b x^6+\frac {b^2 x^{10}}{10} \]
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Time = 0.01 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {276} \[ \int x \left (a+b x^4\right )^2 \, dx=\frac {a^2 x^2}{2}+\frac {1}{3} a b x^6+\frac {b^2 x^{10}}{10} \]
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Rule 276
Rubi steps \begin{align*} \text {integral}& = \int \left (a^2 x+2 a b x^5+b^2 x^9\right ) \, dx \\ & = \frac {a^2 x^2}{2}+\frac {1}{3} a b x^6+\frac {b^2 x^{10}}{10} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.00 \[ \int x \left (a+b x^4\right )^2 \, dx=\frac {a^2 x^2}{2}+\frac {1}{3} a b x^6+\frac {b^2 x^{10}}{10} \]
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Time = 4.08 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.83
method | result | size |
gosper | \(\frac {1}{2} a^{2} x^{2}+\frac {1}{3} a b \,x^{6}+\frac {1}{10} b^{2} x^{10}\) | \(25\) |
default | \(\frac {1}{2} a^{2} x^{2}+\frac {1}{3} a b \,x^{6}+\frac {1}{10} b^{2} x^{10}\) | \(25\) |
norman | \(\frac {1}{2} a^{2} x^{2}+\frac {1}{3} a b \,x^{6}+\frac {1}{10} b^{2} x^{10}\) | \(25\) |
risch | \(\frac {1}{2} a^{2} x^{2}+\frac {1}{3} a b \,x^{6}+\frac {1}{10} b^{2} x^{10}\) | \(25\) |
parallelrisch | \(\frac {1}{2} a^{2} x^{2}+\frac {1}{3} a b \,x^{6}+\frac {1}{10} b^{2} x^{10}\) | \(25\) |
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Time = 0.25 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int x \left (a+b x^4\right )^2 \, dx=\frac {1}{10} \, b^{2} x^{10} + \frac {1}{3} \, a b x^{6} + \frac {1}{2} \, a^{2} x^{2} \]
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Time = 0.02 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int x \left (a+b x^4\right )^2 \, dx=\frac {a^{2} x^{2}}{2} + \frac {a b x^{6}}{3} + \frac {b^{2} x^{10}}{10} \]
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Time = 0.21 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int x \left (a+b x^4\right )^2 \, dx=\frac {1}{10} \, b^{2} x^{10} + \frac {1}{3} \, a b x^{6} + \frac {1}{2} \, a^{2} x^{2} \]
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none
Time = 0.27 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int x \left (a+b x^4\right )^2 \, dx=\frac {1}{10} \, b^{2} x^{10} + \frac {1}{3} \, a b x^{6} + \frac {1}{2} \, a^{2} x^{2} \]
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Time = 0.03 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int x \left (a+b x^4\right )^2 \, dx=\frac {a^2\,x^2}{2}+\frac {a\,b\,x^6}{3}+\frac {b^2\,x^{10}}{10} \]
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