Integrand size = 23, antiderivative size = 21 \[ \int \frac {\left (1+x^8\right ) \sqrt {-1-2 x^4+x^8}}{x^7} \, dx=\frac {\left (-1-2 x^4+x^8\right )^{3/2}}{6 x^6} \]
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Time = 0.01 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.043, Rules used = {1604} \[ \int \frac {\left (1+x^8\right ) \sqrt {-1-2 x^4+x^8}}{x^7} \, dx=\frac {\left (x^8-2 x^4-1\right )^{3/2}}{6 x^6} \]
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Rule 1604
Rubi steps \begin{align*} \text {integral}& = \frac {\left (-1-2 x^4+x^8\right )^{3/2}}{6 x^6} \\ \end{align*}
Time = 0.51 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {\left (1+x^8\right ) \sqrt {-1-2 x^4+x^8}}{x^7} \, dx=\frac {\left (-1-2 x^4+x^8\right )^{3/2}}{6 x^6} \]
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Time = 1.16 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.86
method | result | size |
gosper | \(\frac {\left (x^{8}-2 x^{4}-1\right )^{\frac {3}{2}}}{6 x^{6}}\) | \(18\) |
trager | \(\frac {\left (x^{8}-2 x^{4}-1\right )^{\frac {3}{2}}}{6 x^{6}}\) | \(18\) |
pseudoelliptic | \(\frac {\left (x^{8}-2 x^{4}-1\right ) \sqrt {\frac {x^{8}-2 x^{4}-1}{x^{2}}}}{6 x^{5}}\) | \(32\) |
risch | \(\frac {x^{16}-4 x^{12}+2 x^{8}+4 x^{4}+1}{6 x^{6} \sqrt {x^{8}-2 x^{4}-1}}\) | \(38\) |
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none
Time = 0.25 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {\left (1+x^8\right ) \sqrt {-1-2 x^4+x^8}}{x^7} \, dx=\frac {{\left (x^{8} - 2 \, x^{4} - 1\right )}^{\frac {3}{2}}}{6 \, x^{6}} \]
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\[ \int \frac {\left (1+x^8\right ) \sqrt {-1-2 x^4+x^8}}{x^7} \, dx=\int \frac {\left (x^{8} + 1\right ) \sqrt {x^{8} - 2 x^{4} - 1}}{x^{7}}\, dx \]
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none
Time = 0.23 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {\left (1+x^8\right ) \sqrt {-1-2 x^4+x^8}}{x^7} \, dx=\frac {{\left (x^{8} - 2 \, x^{4} - 1\right )}^{\frac {3}{2}}}{6 \, x^{6}} \]
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\[ \int \frac {\left (1+x^8\right ) \sqrt {-1-2 x^4+x^8}}{x^7} \, dx=\int { \frac {\sqrt {x^{8} - 2 \, x^{4} - 1} {\left (x^{8} + 1\right )}}{x^{7}} \,d x } \]
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Time = 5.71 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {\left (1+x^8\right ) \sqrt {-1-2 x^4+x^8}}{x^7} \, dx=\frac {{\left (x^8-2\,x^4-1\right )}^{3/2}}{6\,x^6} \]
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