Optimal. Leaf size=46 \[ -\frac {1}{2} \sqrt {1-x^4}+\frac {1}{3} \left (1-x^4\right )^{3/2}-\frac {1}{10} \left (1-x^4\right )^{5/2} \]
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Rubi [A]
time = 0.02, antiderivative size = 46, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {272, 45}
\begin {gather*} -\frac {1}{10} \left (1-x^4\right )^{5/2}+\frac {1}{3} \left (1-x^4\right )^{3/2}-\frac {\sqrt {1-x^4}}{2} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 272
Rubi steps
\begin {align*} \int \frac {x^{11}}{\sqrt {1-x^4}} \, dx &=\frac {1}{4} \text {Subst}\left (\int \frac {x^2}{\sqrt {1-x}} \, dx,x,x^4\right )\\ &=\frac {1}{4} \text {Subst}\left (\int \left (\frac {1}{\sqrt {1-x}}-2 \sqrt {1-x}+(1-x)^{3/2}\right ) \, dx,x,x^4\right )\\ &=-\frac {1}{2} \sqrt {1-x^4}+\frac {1}{3} \left (1-x^4\right )^{3/2}-\frac {1}{10} \left (1-x^4\right )^{5/2}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 27, normalized size = 0.59 \begin {gather*} \frac {1}{30} \sqrt {1-x^4} \left (-8-4 x^4-3 x^8\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.15, size = 34, normalized size = 0.74
method | result | size |
trager | \(\left (-\frac {1}{10} x^{8}-\frac {2}{15} x^{4}-\frac {4}{15}\right ) \sqrt {-x^{4}+1}\) | \(23\) |
risch | \(\frac {\left (3 x^{8}+4 x^{4}+8\right ) \left (x^{4}-1\right )}{30 \sqrt {-x^{4}+1}}\) | \(29\) |
default | \(\frac {\left (x^{2}-1\right ) \left (x^{2}+1\right ) \left (3 x^{8}+4 x^{4}+8\right )}{30 \sqrt {-x^{4}+1}}\) | \(34\) |
elliptic | \(\frac {\left (x^{2}-1\right ) \left (x^{2}+1\right ) \left (3 x^{8}+4 x^{4}+8\right )}{30 \sqrt {-x^{4}+1}}\) | \(34\) |
gosper | \(\frac {\left (x -1\right ) \left (x +1\right ) \left (x^{2}+1\right ) \left (3 x^{8}+4 x^{4}+8\right )}{30 \sqrt {-x^{4}+1}}\) | \(35\) |
meijerg | \(-\frac {-\frac {16 \sqrt {\pi }}{15}+\frac {\sqrt {\pi }\, \left (6 x^{8}+8 x^{4}+16\right ) \sqrt {-x^{4}+1}}{15}}{4 \sqrt {\pi }}\) | \(38\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 34, normalized size = 0.74 \begin {gather*} -\frac {1}{10} \, {\left (-x^{4} + 1\right )}^{\frac {5}{2}} + \frac {1}{3} \, {\left (-x^{4} + 1\right )}^{\frac {3}{2}} - \frac {1}{2} \, \sqrt {-x^{4} + 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.36, size = 23, normalized size = 0.50 \begin {gather*} -\frac {1}{30} \, {\left (3 \, x^{8} + 4 \, x^{4} + 8\right )} \sqrt {-x^{4} + 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.21, size = 41, normalized size = 0.89 \begin {gather*} - \frac {x^{8} \sqrt {1 - x^{4}}}{10} - \frac {2 x^{4} \sqrt {1 - x^{4}}}{15} - \frac {4 \sqrt {1 - x^{4}}}{15} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.37, size = 41, normalized size = 0.89 \begin {gather*} -\frac {1}{10} \, {\left (x^{4} - 1\right )}^{2} \sqrt {-x^{4} + 1} + \frac {1}{3} \, {\left (-x^{4} + 1\right )}^{\frac {3}{2}} - \frac {1}{2} \, \sqrt {-x^{4} + 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.20, size = 23, normalized size = 0.50 \begin {gather*} -\sqrt {1-x^4}\,\left (\frac {x^8}{10}+\frac {2\,x^4}{15}+\frac {4}{15}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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