Integrand size = 15, antiderivative size = 42 \[ \int \frac {x^{11}}{\left (1-x^4\right )^{3/2}} \, dx=\frac {1}{2 \sqrt {1-x^4}}+\sqrt {1-x^4}-\frac {1}{6} \left (1-x^4\right )^{3/2} \]
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Time = 0.01 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {272, 45} \[ \int \frac {x^{11}}{\left (1-x^4\right )^{3/2}} \, dx=-\frac {1}{6} \left (1-x^4\right )^{3/2}+\sqrt {1-x^4}+\frac {1}{2 \sqrt {1-x^4}} \]
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Rule 45
Rule 272
Rubi steps \begin{align*} \text {integral}& = \frac {1}{4} \text {Subst}\left (\int \frac {x^2}{(1-x)^{3/2}} \, dx,x,x^4\right ) \\ & = \frac {1}{4} \text {Subst}\left (\int \left (\frac {1}{(1-x)^{3/2}}-\frac {2}{\sqrt {1-x}}+\sqrt {1-x}\right ) \, dx,x,x^4\right ) \\ & = \frac {1}{2 \sqrt {1-x^4}}+\sqrt {1-x^4}-\frac {1}{6} \left (1-x^4\right )^{3/2} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.60 \[ \int \frac {x^{11}}{\left (1-x^4\right )^{3/2}} \, dx=-\frac {-8+4 x^4+x^8}{6 \sqrt {1-x^4}} \]
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Time = 4.12 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.52
method | result | size |
default | \(-\frac {x^{8}+4 x^{4}-8}{6 \sqrt {-x^{4}+1}}\) | \(22\) |
risch | \(-\frac {x^{8}+4 x^{4}-8}{6 \sqrt {-x^{4}+1}}\) | \(22\) |
elliptic | \(-\frac {x^{8}+4 x^{4}-8}{6 \sqrt {-x^{4}+1}}\) | \(22\) |
pseudoelliptic | \(-\frac {x^{8}+4 x^{4}-8}{6 \sqrt {-x^{4}+1}}\) | \(22\) |
trager | \(\frac {\left (x^{8}+4 x^{4}-8\right ) \sqrt {-x^{4}+1}}{6 x^{4}-6}\) | \(29\) |
gosper | \(\frac {\left (-1+x \right ) \left (1+x \right ) \left (x^{2}+1\right ) \left (x^{8}+4 x^{4}-8\right )}{6 \left (-x^{4}+1\right )^{\frac {3}{2}}}\) | \(33\) |
meijerg | \(-\frac {\frac {8 \sqrt {\pi }}{3}-\frac {\sqrt {\pi }\, \left (-2 x^{8}-8 x^{4}+16\right )}{6 \sqrt {-x^{4}+1}}}{2 \sqrt {\pi }}\) | \(38\) |
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Time = 0.24 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.67 \[ \int \frac {x^{11}}{\left (1-x^4\right )^{3/2}} \, dx=\frac {{\left (x^{8} + 4 \, x^{4} - 8\right )} \sqrt {-x^{4} + 1}}{6 \, {\left (x^{4} - 1\right )}} \]
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Time = 0.30 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.29 \[ \int \frac {x^{11}}{\left (1-x^4\right )^{3/2}} \, dx=\frac {x^{8} \sqrt {1 - x^{4}}}{6 x^{4} - 6} + \frac {4 x^{4} \sqrt {1 - x^{4}}}{6 x^{4} - 6} - \frac {8 \sqrt {1 - x^{4}}}{6 x^{4} - 6} \]
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Time = 0.19 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.76 \[ \int \frac {x^{11}}{\left (1-x^4\right )^{3/2}} \, dx=-\frac {1}{6} \, {\left (-x^{4} + 1\right )}^{\frac {3}{2}} + \sqrt {-x^{4} + 1} + \frac {1}{2 \, \sqrt {-x^{4} + 1}} \]
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Time = 0.29 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.76 \[ \int \frac {x^{11}}{\left (1-x^4\right )^{3/2}} \, dx=-\frac {1}{6} \, {\left (-x^{4} + 1\right )}^{\frac {3}{2}} + \sqrt {-x^{4} + 1} + \frac {1}{2 \, \sqrt {-x^{4} + 1}} \]
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Time = 5.82 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.60 \[ \int \frac {x^{11}}{\left (1-x^4\right )^{3/2}} \, dx=-\frac {{\left (x^4-1\right )}^2+6\,x^4-9}{6\,\sqrt {1-x^4}} \]
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