Integrand size = 22, antiderivative size = 16 \[ \int x \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {\left (a+b x^2\right )^5}{10 b} \]
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Time = 0.00 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {28, 267} \[ \int x \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {\left (a+b x^2\right )^5}{10 b} \]
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Rule 28
Rule 267
Rubi steps \begin{align*} \text {integral}& = \frac {\int x \left (a b+b^2 x^2\right )^4 \, dx}{b^4} \\ & = \frac {\left (a+b x^2\right )^5}{10 b} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00 \[ \int x \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {\left (a+b x^2\right )^5}{10 b} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(44\) vs. \(2(14)=28\).
Time = 0.07 (sec) , antiderivative size = 45, normalized size of antiderivative = 2.81
method | result | size |
default | \(\frac {1}{10} b^{4} x^{10}+\frac {1}{2} a \,b^{3} x^{8}+a^{2} b^{2} x^{6}+a^{3} b \,x^{4}+\frac {1}{2} a^{4} x^{2}\) | \(45\) |
norman | \(\frac {1}{10} b^{4} x^{10}+\frac {1}{2} a \,b^{3} x^{8}+a^{2} b^{2} x^{6}+a^{3} b \,x^{4}+\frac {1}{2} a^{4} x^{2}\) | \(45\) |
risch | \(\frac {1}{10} b^{4} x^{10}+\frac {1}{2} a \,b^{3} x^{8}+a^{2} b^{2} x^{6}+a^{3} b \,x^{4}+\frac {1}{2} a^{4} x^{2}\) | \(45\) |
parallelrisch | \(\frac {1}{10} b^{4} x^{10}+\frac {1}{2} a \,b^{3} x^{8}+a^{2} b^{2} x^{6}+a^{3} b \,x^{4}+\frac {1}{2} a^{4} x^{2}\) | \(45\) |
gosper | \(\frac {x^{2} \left (b^{4} x^{8}+5 a \,b^{3} x^{6}+10 a^{2} b^{2} x^{4}+10 a^{3} b \,x^{2}+5 a^{4}\right )}{10}\) | \(48\) |
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Leaf count of result is larger than twice the leaf count of optimal. 44 vs. \(2 (14) = 28\).
Time = 0.23 (sec) , antiderivative size = 44, normalized size of antiderivative = 2.75 \[ \int x \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {1}{10} \, b^{4} x^{10} + \frac {1}{2} \, a b^{3} x^{8} + a^{2} b^{2} x^{6} + a^{3} b x^{4} + \frac {1}{2} \, a^{4} x^{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 44 vs. \(2 (10) = 20\).
Time = 0.02 (sec) , antiderivative size = 44, normalized size of antiderivative = 2.75 \[ \int x \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {a^{4} x^{2}}{2} + a^{3} b x^{4} + a^{2} b^{2} x^{6} + \frac {a b^{3} x^{8}}{2} + \frac {b^{4} x^{10}}{10} \]
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Leaf count of result is larger than twice the leaf count of optimal. 44 vs. \(2 (14) = 28\).
Time = 0.17 (sec) , antiderivative size = 44, normalized size of antiderivative = 2.75 \[ \int x \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {1}{10} \, b^{4} x^{10} + \frac {1}{2} \, a b^{3} x^{8} + a^{2} b^{2} x^{6} + a^{3} b x^{4} + \frac {1}{2} \, a^{4} x^{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 44 vs. \(2 (14) = 28\).
Time = 0.27 (sec) , antiderivative size = 44, normalized size of antiderivative = 2.75 \[ \int x \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {1}{10} \, b^{4} x^{10} + \frac {1}{2} \, a b^{3} x^{8} + a^{2} b^{2} x^{6} + a^{3} b x^{4} + \frac {1}{2} \, a^{4} x^{2} \]
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Time = 0.02 (sec) , antiderivative size = 44, normalized size of antiderivative = 2.75 \[ \int x \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {a^4\,x^2}{2}+a^3\,b\,x^4+a^2\,b^2\,x^6+\frac {a\,b^3\,x^8}{2}+\frac {b^4\,x^{10}}{10} \]
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