Optimal. Leaf size=16 \[ \frac{x^2}{2}-\frac{1}{2} \tan ^{-1}\left (x^2\right ) \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0082944, antiderivative size = 16, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.273, Rules used = {275, 321, 203} \[ \frac{x^2}{2}-\frac{1}{2} \tan ^{-1}\left (x^2\right ) \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 275
Rule 321
Rule 203
Rubi steps
\begin{align*} \int \frac{x^5}{1+x^4} \, dx &=\frac{1}{2} \operatorname{Subst}\left (\int \frac{x^2}{1+x^2} \, dx,x,x^2\right )\\ &=\frac{x^2}{2}-\frac{1}{2} \operatorname{Subst}\left (\int \frac{1}{1+x^2} \, dx,x,x^2\right )\\ &=\frac{x^2}{2}-\frac{1}{2} \tan ^{-1}\left (x^2\right )\\ \end{align*}
Mathematica [A] time = 0.00335, size = 16, normalized size = 1. \[ \frac{x^2}{2}-\frac{1}{2} \tan ^{-1}\left (x^2\right ) \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A] time = 0.002, size = 13, normalized size = 0.8 \begin{align*}{\frac{{x}^{2}}{2}}-{\frac{\arctan \left ({x}^{2} \right ) }{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A] time = 1.40815, size = 16, normalized size = 1. \begin{align*} \frac{1}{2} \, x^{2} - \frac{1}{2} \, \arctan \left (x^{2}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 2.05275, size = 36, normalized size = 2.25 \begin{align*} \frac{1}{2} \, x^{2} - \frac{1}{2} \, \arctan \left (x^{2}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A] time = 0.090205, size = 10, normalized size = 0.62 \begin{align*} \frac{x^{2}}{2} - \frac{\operatorname{atan}{\left (x^{2} \right )}}{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A] time = 1.05893, size = 16, normalized size = 1. \begin{align*} \frac{1}{2} \, x^{2} - \frac{1}{2} \, \arctan \left (x^{2}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]