Integrand size = 15, antiderivative size = 61 \[ \int \frac {x^{11}}{\sqrt {-1-x^3}} \, dx=\frac {2}{3} \sqrt {-1-x^3}+\frac {2}{3} \left (-1-x^3\right )^{3/2}+\frac {2}{5} \left (-1-x^3\right )^{5/2}+\frac {2}{21} \left (-1-x^3\right )^{7/2} \]
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Time = 0.02 (sec) , antiderivative size = 61, 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} \[ \int \frac {x^{11}}{\sqrt {-1-x^3}} \, dx=\frac {2}{21} \left (-x^3-1\right )^{7/2}+\frac {2}{5} \left (-x^3-1\right )^{5/2}+\frac {2}{3} \left (-x^3-1\right )^{3/2}+\frac {2}{3} \sqrt {-x^3-1} \]
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Rule 45
Rule 272
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} \text {Subst}\left (\int \frac {x^3}{\sqrt {-1-x}} \, dx,x,x^3\right ) \\ & = \frac {1}{3} \text {Subst}\left (\int \left (-\frac {1}{\sqrt {-1-x}}-3 \sqrt {-1-x}-3 (-1-x)^{3/2}-(-1-x)^{5/2}\right ) \, dx,x,x^3\right ) \\ & = \frac {2}{3} \sqrt {-1-x^3}+\frac {2}{3} \left (-1-x^3\right )^{3/2}+\frac {2}{5} \left (-1-x^3\right )^{5/2}+\frac {2}{21} \left (-1-x^3\right )^{7/2} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.52 \[ \int \frac {x^{11}}{\sqrt {-1-x^3}} \, dx=-\frac {2}{105} \sqrt {-1-x^3} \left (-16+8 x^3-6 x^6+5 x^9\right ) \]
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Time = 3.83 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.46
method | result | size |
trager | \(\left (-\frac {2}{21} x^{9}+\frac {4}{35} x^{6}-\frac {16}{105} x^{3}+\frac {32}{105}\right ) \sqrt {-x^{3}-1}\) | \(28\) |
pseudoelliptic | \(-\frac {2 \sqrt {-x^{3}-1}\, \left (5 x^{9}-6 x^{6}+8 x^{3}-16\right )}{105}\) | \(29\) |
risch | \(\frac {2 \left (5 x^{9}-6 x^{6}+8 x^{3}-16\right ) \left (x^{3}+1\right )}{105 \sqrt {-x^{3}-1}}\) | \(34\) |
gosper | \(\frac {2 \left (1+x \right ) \left (x^{2}-x +1\right ) \left (5 x^{9}-6 x^{6}+8 x^{3}-16\right )}{105 \sqrt {-x^{3}-1}}\) | \(40\) |
meijerg | \(-\frac {i \left (\frac {32 \sqrt {\pi }}{35}-\frac {\sqrt {\pi }\, \left (-40 x^{9}+48 x^{6}-64 x^{3}+128\right ) \sqrt {x^{3}+1}}{140}\right )}{3 \sqrt {\pi }}\) | \(42\) |
default | \(-\frac {2 x^{9} \sqrt {-x^{3}-1}}{21}+\frac {4 x^{6} \sqrt {-x^{3}-1}}{35}-\frac {16 x^{3} \sqrt {-x^{3}-1}}{105}+\frac {32 \sqrt {-x^{3}-1}}{105}\) | \(55\) |
elliptic | \(-\frac {2 x^{9} \sqrt {-x^{3}-1}}{21}+\frac {4 x^{6} \sqrt {-x^{3}-1}}{35}-\frac {16 x^{3} \sqrt {-x^{3}-1}}{105}+\frac {32 \sqrt {-x^{3}-1}}{105}\) | \(55\) |
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Time = 0.27 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.46 \[ \int \frac {x^{11}}{\sqrt {-1-x^3}} \, dx=-\frac {2}{105} \, {\left (5 \, x^{9} - 6 \, x^{6} + 8 \, x^{3} - 16\right )} \sqrt {-x^{3} - 1} \]
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Time = 0.22 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.03 \[ \int \frac {x^{11}}{\sqrt {-1-x^3}} \, dx=- \frac {2 x^{9} \sqrt {- x^{3} - 1}}{21} + \frac {4 x^{6} \sqrt {- x^{3} - 1}}{35} - \frac {16 x^{3} \sqrt {- x^{3} - 1}}{105} + \frac {32 \sqrt {- x^{3} - 1}}{105} \]
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Time = 0.20 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.74 \[ \int \frac {x^{11}}{\sqrt {-1-x^3}} \, dx=\frac {2}{21} \, {\left (-x^{3} - 1\right )}^{\frac {7}{2}} + \frac {2}{5} \, {\left (-x^{3} - 1\right )}^{\frac {5}{2}} + \frac {2}{3} \, {\left (-x^{3} - 1\right )}^{\frac {3}{2}} + \frac {2}{3} \, \sqrt {-x^{3} - 1} \]
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Time = 0.27 (sec) , antiderivative size = 59, normalized size of antiderivative = 0.97 \[ \int \frac {x^{11}}{\sqrt {-1-x^3}} \, dx=-\frac {2}{21} \, {\left (x^{3} + 1\right )}^{3} \sqrt {-x^{3} - 1} + \frac {2}{5} \, {\left (x^{3} + 1\right )}^{2} \sqrt {-x^{3} - 1} + \frac {2}{3} \, {\left (-x^{3} - 1\right )}^{\frac {3}{2}} + \frac {2}{3} \, \sqrt {-x^{3} - 1} \]
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Time = 0.04 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.89 \[ \int \frac {x^{11}}{\sqrt {-1-x^3}} \, dx=\frac {4\,x^6\,\sqrt {-x^3-1}}{35}-\frac {16\,x^3\,\sqrt {-x^3-1}}{105}-\frac {2\,x^9\,\sqrt {-x^3-1}}{21}+\frac {32\,\sqrt {-x^3-1}}{105} \]
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