Optimal. Leaf size=16 \[ \frac{1}{4} \tanh ^{-1}\left (x^4\right )-\frac{1}{4 x^4} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0071306, antiderivative size = 16, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.231, Rules used = {275, 325, 206} \[ \frac{1}{4} \tanh ^{-1}\left (x^4\right )-\frac{1}{4 x^4} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 275
Rule 325
Rule 206
Rubi steps
\begin{align*} \int \frac{1}{x^5 \left (1-x^8\right )} \, dx &=\frac{1}{4} \operatorname{Subst}\left (\int \frac{1}{x^2 \left (1-x^2\right )} \, dx,x,x^4\right )\\ &=-\frac{1}{4 x^4}+\frac{1}{4} \operatorname{Subst}\left (\int \frac{1}{1-x^2} \, dx,x,x^4\right )\\ &=-\frac{1}{4 x^4}+\frac{1}{4} \tanh ^{-1}\left (x^4\right )\\ \end{align*}
Mathematica [A] time = 0.0038907, size = 30, normalized size = 1.88 \[ -\frac{1}{4 x^4}-\frac{1}{8} \log \left (1-x^4\right )+\frac{1}{8} \log \left (x^4+1\right ) \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [B] time = 0.011, size = 35, normalized size = 2.2 \begin{align*} -{\frac{\ln \left ({x}^{2}+1 \right ) }{8}}-{\frac{\ln \left ( 1+x \right ) }{8}}-{\frac{\ln \left ( -1+x \right ) }{8}}-{\frac{1}{4\,{x}^{4}}}+{\frac{\ln \left ({x}^{4}+1 \right ) }{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A] time = 0.975933, size = 30, normalized size = 1.88 \begin{align*} -\frac{1}{4 \, x^{4}} + \frac{1}{8} \, \log \left (x^{4} + 1\right ) - \frac{1}{8} \, \log \left (x^{4} - 1\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [B] time = 1.34249, size = 69, normalized size = 4.31 \begin{align*} \frac{x^{4} \log \left (x^{4} + 1\right ) - x^{4} \log \left (x^{4} - 1\right ) - 2}{8 \, x^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A] time = 0.138007, size = 22, normalized size = 1.38 \begin{align*} - \frac{\log{\left (x^{4} - 1 \right )}}{8} + \frac{\log{\left (x^{4} + 1 \right )}}{8} - \frac{1}{4 x^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A] time = 1.13938, size = 31, normalized size = 1.94 \begin{align*} -\frac{1}{4 \, x^{4}} + \frac{1}{8} \, \log \left (x^{4} + 1\right ) - \frac{1}{8} \, \log \left ({\left | x^{4} - 1 \right |}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]