Integrand size = 13, antiderivative size = 26 \[ \int \frac {\sqrt {-1+x^6}}{x^{16}} \, dx=\frac {\sqrt {-1+x^6} \left (-3+x^6+2 x^{12}\right )}{45 x^{15}} \]
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Time = 0.00 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.27, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {277, 270} \[ \int \frac {\sqrt {-1+x^6}}{x^{16}} \, dx=\frac {\left (x^6-1\right )^{3/2}}{15 x^{15}}+\frac {2 \left (x^6-1\right )^{3/2}}{45 x^9} \]
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Rule 270
Rule 277
Rubi steps \begin{align*} \text {integral}& = \frac {\left (-1+x^6\right )^{3/2}}{15 x^{15}}+\frac {2}{5} \int \frac {\sqrt {-1+x^6}}{x^{10}} \, dx \\ & = \frac {\left (-1+x^6\right )^{3/2}}{15 x^{15}}+\frac {2 \left (-1+x^6\right )^{3/2}}{45 x^9} \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \frac {\sqrt {-1+x^6}}{x^{16}} \, dx=\frac {\sqrt {-1+x^6} \left (-3+x^6+2 x^{12}\right )}{45 x^{15}} \]
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Time = 0.83 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.77
method | result | size |
pseudoelliptic | \(\frac {\left (2 x^{6}+3\right ) \left (x^{6}-1\right )^{\frac {3}{2}}}{45 x^{15}}\) | \(20\) |
trager | \(\frac {\sqrt {x^{6}-1}\, \left (2 x^{12}+x^{6}-3\right )}{45 x^{15}}\) | \(23\) |
risch | \(\frac {2 x^{18}-x^{12}-4 x^{6}+3}{45 x^{15} \sqrt {x^{6}-1}}\) | \(30\) |
gosper | \(\frac {\left (x -1\right ) \left (1+x \right ) \left (x^{2}+x +1\right ) \left (x^{2}-x +1\right ) \left (2 x^{6}+3\right ) \sqrt {x^{6}-1}}{45 x^{15}}\) | \(40\) |
meijerg | \(-\frac {\sqrt {\operatorname {signum}\left (x^{6}-1\right )}\, \left (-\frac {2}{3} x^{12}-\frac {1}{3} x^{6}+1\right ) \sqrt {-x^{6}+1}}{15 \sqrt {-\operatorname {signum}\left (x^{6}-1\right )}\, x^{15}}\) | \(45\) |
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none
Time = 0.25 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.12 \[ \int \frac {\sqrt {-1+x^6}}{x^{16}} \, dx=\frac {2 \, x^{15} + {\left (2 \, x^{12} + x^{6} - 3\right )} \sqrt {x^{6} - 1}}{45 \, x^{15}} \]
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Result contains complex when optimal does not.
Time = 0.78 (sec) , antiderivative size = 92, normalized size of antiderivative = 3.54 \[ \int \frac {\sqrt {-1+x^6}}{x^{16}} \, dx=\begin {cases} \frac {2 \sqrt {x^{6} - 1}}{45 x^{3}} + \frac {\sqrt {x^{6} - 1}}{45 x^{9}} - \frac {\sqrt {x^{6} - 1}}{15 x^{15}} & \text {for}\: \left |{x^{6}}\right | > 1 \\\frac {2 i \sqrt {1 - x^{6}}}{45 x^{3}} + \frac {i \sqrt {1 - x^{6}}}{45 x^{9}} - \frac {i \sqrt {1 - x^{6}}}{15 x^{15}} & \text {otherwise} \end {cases} \]
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none
Time = 0.20 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.96 \[ \int \frac {\sqrt {-1+x^6}}{x^{16}} \, dx=\frac {{\left (x^{6} - 1\right )}^{\frac {3}{2}}}{9 \, x^{9}} - \frac {{\left (x^{6} - 1\right )}^{\frac {5}{2}}}{15 \, x^{15}} \]
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none
Time = 0.27 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.58 \[ \int \frac {\sqrt {-1+x^6}}{x^{16}} \, dx=-\frac {3 \, {\left (\frac {1}{x^{6}} - 1\right )}^{2} \sqrt {-\frac {1}{x^{6}} + 1} - 5 \, {\left (-\frac {1}{x^{6}} + 1\right )}^{\frac {3}{2}}}{45 \, \mathrm {sgn}\left (x\right )} - \frac {2}{45} \, \mathrm {sgn}\left (x\right ) \]
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Time = 5.12 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.92 \[ \int \frac {\sqrt {-1+x^6}}{x^{16}} \, dx=\frac {5\,{\left (x^6-1\right )}^{3/2}+2\,{\left (x^6-1\right )}^{5/2}}{45\,x^{15}} \]
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