Integrand size = 34, antiderivative size = 184 \[ \int \frac {\sqrt {-1+2 x^4} \left (-1+2 x^8\right )}{x^7 \left (-1+2 x^4+x^8\right )} \, dx=\frac {\left (-1-4 x^4\right ) \sqrt {-1+2 x^4}}{6 x^6}+\sqrt {2} \text {RootSum}\left [-64+128 \text {$\#$1}-80 \text {$\#$1}^2+16 \text {$\#$1}^3+\text {$\#$1}^4\&,\frac {2 \log \left (4 x^4+2 \sqrt {2} x^2 \sqrt {-1+2 x^4}-\text {$\#$1}\right )-2 \log \left (4 x^4+2 \sqrt {2} x^2 \sqrt {-1+2 x^4}-\text {$\#$1}\right ) \text {$\#$1}+\log \left (4 x^4+2 \sqrt {2} x^2 \sqrt {-1+2 x^4}-\text {$\#$1}\right ) \text {$\#$1}^2}{32-40 \text {$\#$1}+12 \text {$\#$1}^2+\text {$\#$1}^3}\&\right ] \]
[Out]
Time = 0.56 (sec) , antiderivative size = 226, normalized size of antiderivative = 1.23, number of steps used = 20, number of rules used = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.324, Rules used = {6860, 270, 281, 283, 223, 212, 6847, 1706, 399, 385, 210} \[ \int \frac {\sqrt {-1+2 x^4} \left (-1+2 x^8\right )}{x^7 \left (-1+2 x^4+x^8\right )} \, dx=-\frac {1}{4} \sqrt {\frac {1}{2} \left (5 \sqrt {2}-1\right )} \arctan \left (\frac {\sqrt {\sqrt {2}-1} x^2}{\sqrt {2 x^4-1}}\right )-\frac {1}{4} \left (1+2 \sqrt {2}\right ) \text {arctanh}\left (\frac {\sqrt {2} x^2}{\sqrt {2 x^4-1}}\right )+\frac {1}{4} \left (1-2 \sqrt {2}\right ) \text {arctanh}\left (\frac {\sqrt {2} x^2}{\sqrt {2 x^4-1}}\right )+\sqrt {2} \text {arctanh}\left (\frac {\sqrt {2} x^2}{\sqrt {2 x^4-1}}\right )+\frac {1}{4} \sqrt {\frac {1}{2} \left (1+5 \sqrt {2}\right )} \text {arctanh}\left (\frac {\sqrt {1+\sqrt {2}} x^2}{\sqrt {2 x^4-1}}\right )+\frac {\left (2 x^4-1\right )^{3/2}}{6 x^6}-\frac {\sqrt {2 x^4-1}}{x^2} \]
[In]
[Out]
Rule 210
Rule 212
Rule 223
Rule 270
Rule 281
Rule 283
Rule 385
Rule 399
Rule 1706
Rule 6847
Rule 6860
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {\sqrt {-1+2 x^4}}{x^7}+\frac {2 \sqrt {-1+2 x^4}}{x^3}-\frac {x \sqrt {-1+2 x^4} \left (3+2 x^4\right )}{-1+2 x^4+x^8}\right ) \, dx \\ & = 2 \int \frac {\sqrt {-1+2 x^4}}{x^3} \, dx+\int \frac {\sqrt {-1+2 x^4}}{x^7} \, dx-\int \frac {x \sqrt {-1+2 x^4} \left (3+2 x^4\right )}{-1+2 x^4+x^8} \, dx \\ & = \frac {\left (-1+2 x^4\right )^{3/2}}{6 x^6}-\frac {1}{2} \text {Subst}\left (\int \frac {\sqrt {-1+2 x^2} \left (3+2 x^2\right )}{-1+2 x^2+x^4} \, dx,x,x^2\right )+\text {Subst}\left (\int \frac {\sqrt {-1+2 x^2}}{x^2} \, dx,x,x^2\right ) \\ & = -\frac {\sqrt {-1+2 x^4}}{x^2}+\frac {\left (-1+2 x^4\right )^{3/2}}{6 x^6}-\frac {1}{2} \text {Subst}\left (\int \left (\frac {\left (2+\frac {1}{\sqrt {2}}\right ) \sqrt {-1+2 x^2}}{2-2 \sqrt {2}+2 x^2}+\frac {\left (2-\frac {1}{\sqrt {2}}\right ) \sqrt {-1+2 x^2}}{2+2 \sqrt {2}+2 x^2}\right ) \, dx,x,x^2\right )+2 \text {Subst}\left (\int \frac {1}{\sqrt {-1+2 x^2}} \, dx,x,x^2\right ) \\ & = -\frac {\sqrt {-1+2 x^4}}{x^2}+\frac {\left (-1+2 x^4\right )^{3/2}}{6 x^6}+2 \text {Subst}\left (\int \frac {1}{1-2 x^2} \, dx,x,\frac {x^2}{\sqrt {-1+2 x^4}}\right )-\frac {1}{4} \left (4-\sqrt {2}\right ) \text {Subst}\left (\int \frac {\sqrt {-1+2 x^2}}{2+2 \sqrt {2}+2 x^2} \, dx,x,x^2\right )-\frac {1}{4} \left (4+\sqrt {2}\right ) \text {Subst}\left (\int \frac {\sqrt {-1+2 x^2}}{2-2 \sqrt {2}+2 x^2} \, dx,x,x^2\right ) \\ & = -\frac {\sqrt {-1+2 x^4}}{x^2}+\frac {\left (-1+2 x^4\right )^{3/2}}{6 x^6}+\sqrt {2} \text {arctanh}\left (\frac {\sqrt {2} x^2}{\sqrt {-1+2 x^4}}\right )+\frac {1}{4} \left (8-5 \sqrt {2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {-1+2 x^2} \left (2-2 \sqrt {2}+2 x^2\right )} \, dx,x,x^2\right )-\frac {1}{4} \left (4-\sqrt {2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {-1+2 x^2}} \, dx,x,x^2\right )-\frac {1}{4} \left (4+\sqrt {2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {-1+2 x^2}} \, dx,x,x^2\right )+\frac {1}{4} \left (8+5 \sqrt {2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {-1+2 x^2} \left (2+2 \sqrt {2}+2 x^2\right )} \, dx,x,x^2\right ) \\ & = -\frac {\sqrt {-1+2 x^4}}{x^2}+\frac {\left (-1+2 x^4\right )^{3/2}}{6 x^6}+\sqrt {2} \text {arctanh}\left (\frac {\sqrt {2} x^2}{\sqrt {-1+2 x^4}}\right )+\frac {1}{4} \left (8-5 \sqrt {2}\right ) \text {Subst}\left (\int \frac {1}{2-2 \sqrt {2}-\left (2+2 \left (2-2 \sqrt {2}\right )\right ) x^2} \, dx,x,\frac {x^2}{\sqrt {-1+2 x^4}}\right )-\frac {1}{4} \left (4-\sqrt {2}\right ) \text {Subst}\left (\int \frac {1}{1-2 x^2} \, dx,x,\frac {x^2}{\sqrt {-1+2 x^4}}\right )-\frac {1}{4} \left (4+\sqrt {2}\right ) \text {Subst}\left (\int \frac {1}{1-2 x^2} \, dx,x,\frac {x^2}{\sqrt {-1+2 x^4}}\right )+\frac {1}{4} \left (8+5 \sqrt {2}\right ) \text {Subst}\left (\int \frac {1}{2+2 \sqrt {2}-\left (2+2 \left (2+2 \sqrt {2}\right )\right ) x^2} \, dx,x,\frac {x^2}{\sqrt {-1+2 x^4}}\right ) \\ & = -\frac {\sqrt {-1+2 x^4}}{x^2}+\frac {\left (-1+2 x^4\right )^{3/2}}{6 x^6}-\frac {1}{8} \sqrt {-2+10 \sqrt {2}} \arctan \left (\frac {\sqrt {-1+\sqrt {2}} x^2}{\sqrt {-1+2 x^4}}\right )+\sqrt {2} \text {arctanh}\left (\frac {\sqrt {2} x^2}{\sqrt {-1+2 x^4}}\right )+\frac {1}{4} \left (1-2 \sqrt {2}\right ) \text {arctanh}\left (\frac {\sqrt {2} x^2}{\sqrt {-1+2 x^4}}\right )-\frac {1}{4} \left (1+2 \sqrt {2}\right ) \text {arctanh}\left (\frac {\sqrt {2} x^2}{\sqrt {-1+2 x^4}}\right )+\frac {1}{8} \sqrt {2+10 \sqrt {2}} \text {arctanh}\left (\frac {\sqrt {1+\sqrt {2}} x^2}{\sqrt {-1+2 x^4}}\right ) \\ \end{align*}
Time = 0.36 (sec) , antiderivative size = 138, normalized size of antiderivative = 0.75 \[ \int \frac {\sqrt {-1+2 x^4} \left (-1+2 x^8\right )}{x^7 \left (-1+2 x^4+x^8\right )} \, dx=\frac {\left (-1-4 x^4\right ) \sqrt {-1+2 x^4}}{6 x^6}+\sqrt {2} \text {RootSum}\left [1+20 \text {$\#$1}^2-26 \text {$\#$1}^4+20 \text {$\#$1}^6+\text {$\#$1}^8\&,\frac {\log \left (\sqrt {2} x^2+\sqrt {-1+2 x^4}-\text {$\#$1}\right )+\log \left (\sqrt {2} x^2+\sqrt {-1+2 x^4}-\text {$\#$1}\right ) \text {$\#$1}^4}{5-13 \text {$\#$1}^2+15 \text {$\#$1}^4+\text {$\#$1}^6}\&\right ] \]
[In]
[Out]
Time = 6.90 (sec) , antiderivative size = 152, normalized size of antiderivative = 0.83
method | result | size |
risch | \(-\frac {8 x^{8}-2 x^{4}-1}{6 x^{6} \sqrt {2 x^{4}-1}}-8 \sqrt {2}\, \left (-\frac {\left (\frac {1}{2}+\frac {5 \sqrt {2}}{16}\right ) \operatorname {arctanh}\left (\frac {2 \left (\sqrt {2 x^{4}-1}-\sqrt {2}\, x^{2}\right )^{2}+10+8 \sqrt {2}}{4 \sqrt {14+10 \sqrt {2}}}\right )}{4 \sqrt {14+10 \sqrt {2}}}-\frac {\left (-\frac {1}{2}+\frac {5 \sqrt {2}}{16}\right ) \arctan \left (\frac {2 \left (\sqrt {2 x^{4}-1}-\sqrt {2}\, x^{2}\right )^{2}-8 \sqrt {2}+10}{4 \sqrt {-14+10 \sqrt {2}}}\right )}{4 \sqrt {-14+10 \sqrt {2}}}\right )\) | \(152\) |
elliptic | \(-\frac {\sqrt {2 x^{4}-1}}{6 x^{6}}-\frac {2 \sqrt {2 x^{4}-1}}{3 x^{2}}-8 \sqrt {2}\, \left (-\frac {\left (\frac {1}{2}+\frac {5 \sqrt {2}}{16}\right ) \operatorname {arctanh}\left (\frac {2 \left (\sqrt {2 x^{4}-1}-\sqrt {2}\, x^{2}\right )^{2}+10+8 \sqrt {2}}{4 \sqrt {14+10 \sqrt {2}}}\right )}{4 \sqrt {14+10 \sqrt {2}}}-\frac {\left (-\frac {1}{2}+\frac {5 \sqrt {2}}{16}\right ) \arctan \left (\frac {2 \left (\sqrt {2 x^{4}-1}-\sqrt {2}\, x^{2}\right )^{2}-8 \sqrt {2}+10}{4 \sqrt {-14+10 \sqrt {2}}}\right )}{4 \sqrt {-14+10 \sqrt {2}}}\right )\) | \(154\) |
default | \(\frac {\left (2 x^{4}-1\right )^{\frac {3}{2}}}{6 x^{6}}+\frac {\left (2 x^{4}-1\right )^{\frac {3}{2}}}{x^{2}}-2 \sqrt {2 x^{4}-1}\, x^{2}-8 \sqrt {2}\, \left (-\frac {\left (\frac {1}{2}+\frac {5 \sqrt {2}}{16}\right ) \operatorname {arctanh}\left (\frac {2 \left (\sqrt {2 x^{4}-1}-\sqrt {2}\, x^{2}\right )^{2}+10+8 \sqrt {2}}{4 \sqrt {14+10 \sqrt {2}}}\right )}{4 \sqrt {14+10 \sqrt {2}}}-\frac {\left (-\frac {1}{2}+\frac {5 \sqrt {2}}{16}\right ) \arctan \left (\frac {2 \left (\sqrt {2 x^{4}-1}-\sqrt {2}\, x^{2}\right )^{2}-8 \sqrt {2}+10}{4 \sqrt {-14+10 \sqrt {2}}}\right )}{4 \sqrt {-14+10 \sqrt {2}}}\right )\) | \(167\) |
pseudoelliptic | \(\frac {\left (16 \ln \left (\sqrt {2 x^{4}-1}-\sqrt {2}\, x^{2}\right ) x^{6}+16 \ln \left (\sqrt {2}\, x^{2}+\sqrt {2 x^{4}-1}\right ) x^{6}+\frac {4 \sqrt {2}\, \left (-4 x^{4}-1\right ) \sqrt {2 x^{4}-1}}{3}+\left (\operatorname {arctanh}\left (\frac {-\sqrt {2}\, x^{2} \sqrt {2 x^{4}-1}+2 x^{4}+2 \sqrt {2}+2}{\sqrt {14+10 \sqrt {2}}}\right ) \left (8+5 \sqrt {2}\right ) \sqrt {-14+10 \sqrt {2}}-8 \sqrt {7+5 \sqrt {2}}\, \left (\sqrt {2}-\frac {5}{4}\right ) \arctan \left (\frac {-\sqrt {2}\, x^{2} \sqrt {2 x^{4}-1}+2 x^{4}-2 \sqrt {2}+2}{\sqrt {-14+10 \sqrt {2}}}\right )\right ) x^{6}\right ) \sqrt {2}}{16 x^{6}}\) | \(192\) |
trager | \(\text {Expression too large to display}\) | \(760\) |
[In]
[Out]
Result contains higher order function than in optimal. Order 3 vs. order 1.
Time = 0.27 (sec) , antiderivative size = 306, normalized size of antiderivative = 1.66 \[ \int \frac {\sqrt {-1+2 x^4} \left (-1+2 x^8\right )}{x^7 \left (-1+2 x^4+x^8\right )} \, dx=\frac {3 \, \sqrt {2} x^{6} \sqrt {5 \, \sqrt {2} + 1} \log \left (\frac {7 \, \sqrt {2} x^{4} + 21 \, x^{4} + 2 \, \sqrt {2 \, x^{4} - 1} {\left (2 \, \sqrt {2} x^{2} + x^{2}\right )} \sqrt {5 \, \sqrt {2} + 1} - 7}{x^{4}}\right ) - 3 \, \sqrt {2} x^{6} \sqrt {5 \, \sqrt {2} + 1} \log \left (\frac {7 \, \sqrt {2} x^{4} + 21 \, x^{4} - 2 \, \sqrt {2 \, x^{4} - 1} {\left (2 \, \sqrt {2} x^{2} + x^{2}\right )} \sqrt {5 \, \sqrt {2} + 1} - 7}{x^{4}}\right ) - 3 \, \sqrt {2} x^{6} \sqrt {-5 \, \sqrt {2} + 1} \log \left (-\frac {7 \, \sqrt {2} x^{4} - 21 \, x^{4} + 2 \, \sqrt {2 \, x^{4} - 1} {\left (2 \, \sqrt {2} x^{2} - x^{2}\right )} \sqrt {-5 \, \sqrt {2} + 1} + 7}{x^{4}}\right ) + 3 \, \sqrt {2} x^{6} \sqrt {-5 \, \sqrt {2} + 1} \log \left (-\frac {7 \, \sqrt {2} x^{4} - 21 \, x^{4} - 2 \, \sqrt {2 \, x^{4} - 1} {\left (2 \, \sqrt {2} x^{2} - x^{2}\right )} \sqrt {-5 \, \sqrt {2} + 1} + 7}{x^{4}}\right ) - 16 \, {\left (4 \, x^{4} + 1\right )} \sqrt {2 \, x^{4} - 1}}{96 \, x^{6}} \]
[In]
[Out]
Timed out. \[ \int \frac {\sqrt {-1+2 x^4} \left (-1+2 x^8\right )}{x^7 \left (-1+2 x^4+x^8\right )} \, dx=\text {Timed out} \]
[In]
[Out]
Not integrable
Time = 0.21 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.18 \[ \int \frac {\sqrt {-1+2 x^4} \left (-1+2 x^8\right )}{x^7 \left (-1+2 x^4+x^8\right )} \, dx=\int { \frac {{\left (2 \, x^{8} - 1\right )} \sqrt {2 \, x^{4} - 1}}{{\left (x^{8} + 2 \, x^{4} - 1\right )} x^{7}} \,d x } \]
[In]
[Out]
Result contains higher order function than in optimal. Order 3 vs. order 1.
Time = 0.31 (sec) , antiderivative size = 55, normalized size of antiderivative = 0.30 \[ \int \frac {\sqrt {-1+2 x^4} \left (-1+2 x^8\right )}{x^7 \left (-1+2 x^4+x^8\right )} \, dx=-\frac {4 \, \sqrt {2} {\left (3 \, {\left (\sqrt {2} x^{2} - \sqrt {2 \, x^{4} - 1}\right )}^{2} + 1\right )}}{3 \, {\left ({\left (\sqrt {2} x^{2} - \sqrt {2 \, x^{4} - 1}\right )}^{2} + 1\right )}^{3}} \]
[In]
[Out]
Not integrable
Time = 6.62 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.18 \[ \int \frac {\sqrt {-1+2 x^4} \left (-1+2 x^8\right )}{x^7 \left (-1+2 x^4+x^8\right )} \, dx=\int \frac {\sqrt {2\,x^4-1}\,\left (2\,x^8-1\right )}{x^7\,\left (x^8+2\,x^4-1\right )} \,d x \]
[In]
[Out]