Optimal. Leaf size=27 \[ -\frac {1}{4} x^2 \sqrt {1-x^4}+\frac {1}{4} \sin ^{-1}\left (x^2\right ) \]
[Out]
________________________________________________________________________________________
Rubi [A]
time = 0.01, antiderivative size = 27, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {281, 327, 222}
\begin {gather*} \frac {\text {ArcSin}\left (x^2\right )}{4}-\frac {1}{4} x^2 \sqrt {1-x^4} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 222
Rule 281
Rule 327
Rubi steps
\begin {align*} \int \frac {x^5}{\sqrt {1-x^4}} \, dx &=\frac {1}{2} \text {Subst}\left (\int \frac {x^2}{\sqrt {1-x^2}} \, dx,x,x^2\right )\\ &=-\frac {1}{4} x^2 \sqrt {1-x^4}+\frac {1}{4} \text {Subst}\left (\int \frac {1}{\sqrt {1-x^2}} \, dx,x,x^2\right )\\ &=-\frac {1}{4} x^2 \sqrt {1-x^4}+\frac {1}{4} \sin ^{-1}\left (x^2\right )\\ \end {align*}
________________________________________________________________________________________
Mathematica [A]
time = 0.09, size = 39, normalized size = 1.44 \begin {gather*} -\frac {1}{4} x^2 \sqrt {1-x^4}-\frac {1}{4} \tan ^{-1}\left (\frac {\sqrt {1-x^4}}{x^2}\right ) \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A]
time = 0.28, size = 22, normalized size = 0.81
method | result | size |
default | \(\frac {\arcsin \left (x^{2}\right )}{4}-\frac {x^{2} \sqrt {-x^{4}+1}}{4}\) | \(22\) |
elliptic | \(\frac {\arcsin \left (x^{2}\right )}{4}-\frac {x^{2} \sqrt {-x^{4}+1}}{4}\) | \(22\) |
risch | \(\frac {x^{2} \left (x^{4}-1\right )}{4 \sqrt {-x^{4}+1}}+\frac {\arcsin \left (x^{2}\right )}{4}\) | \(27\) |
meijerg | \(\frac {i \left (i \sqrt {\pi }\, x^{2} \sqrt {-x^{4}+1}-i \sqrt {\pi }\, \arcsin \left (x^{2}\right )\right )}{4 \sqrt {\pi }}\) | \(36\) |
trager | \(-\frac {x^{2} \sqrt {-x^{4}+1}}{4}+\frac {\RootOf \left (\textit {\_Z}^{2}+1\right ) \ln \left (\RootOf \left (\textit {\_Z}^{2}+1\right ) \sqrt {-x^{4}+1}+x^{2}\right )}{4}\) | \(45\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 44 vs.
\(2 (21) = 42\).
time = 0.50, size = 44, normalized size = 1.63 \begin {gather*} \frac {\sqrt {-x^{4} + 1}}{4 \, x^{2} {\left (\frac {x^{4} - 1}{x^{4}} - 1\right )}} - \frac {1}{4} \, \arctan \left (\frac {\sqrt {-x^{4} + 1}}{x^{2}}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A]
time = 0.36, size = 33, normalized size = 1.22 \begin {gather*} -\frac {1}{4} \, \sqrt {-x^{4} + 1} x^{2} - \frac {1}{2} \, \arctan \left (\frac {\sqrt {-x^{4} + 1} - 1}{x^{2}}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [C] Result contains complex when optimal does not.
time = 0.87, size = 61, normalized size = 2.26 \begin {gather*} \begin {cases} - \frac {i x^{2} \sqrt {x^{4} - 1}}{4} - \frac {i \operatorname {acosh}{\left (x^{2} \right )}}{4} & \text {for}\: \left |{x^{4}}\right | > 1 \\\frac {x^{6}}{4 \sqrt {1 - x^{4}}} - \frac {x^{2}}{4 \sqrt {1 - x^{4}}} + \frac {\operatorname {asin}{\left (x^{2} \right )}}{4} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A]
time = 1.66, size = 21, normalized size = 0.78 \begin {gather*} -\frac {1}{4} \, \sqrt {-x^{4} + 1} x^{2} + \frac {1}{4} \, \arcsin \left (x^{2}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Mupad [F]
time = 0.00, size = -1, normalized size = -0.04 \begin {gather*} \int \frac {x^5}{\sqrt {1-x^4}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________