Optimal. Leaf size=8 \[ \frac {1}{2} \sinh ^{-1}\left (x^2\right ) \]
[Out]
________________________________________________________________________________________
Rubi [A]
time = 0.00, antiderivative size = 8, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {281, 221}
\begin {gather*} \frac {1}{2} \sinh ^{-1}\left (x^2\right ) \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 221
Rule 281
Rubi steps
\begin {align*} \int \frac {x}{\sqrt {1+x^4}} \, dx &=\frac {1}{2} \text {Subst}\left (\int \frac {1}{\sqrt {1+x^2}} \, dx,x,x^2\right )\\ &=\frac {1}{2} \sinh ^{-1}\left (x^2\right )\\ \end {align*}
________________________________________________________________________________________
Mathematica [B] Leaf count is larger than twice the leaf count of optimal. \(18\) vs. \(2(8)=16\).
time = 0.07, size = 18, normalized size = 2.25 \begin {gather*} \frac {1}{2} \tanh ^{-1}\left (\frac {x^2}{\sqrt {1+x^4}}\right ) \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A]
time = 0.14, size = 7, normalized size = 0.88
method | result | size |
default | \(\frac {\arcsinh \left (x^{2}\right )}{2}\) | \(7\) |
meijerg | \(\frac {\arcsinh \left (x^{2}\right )}{2}\) | \(7\) |
elliptic | \(\frac {\arcsinh \left (x^{2}\right )}{2}\) | \(7\) |
trager | \(\frac {\ln \left (x^{2}+\sqrt {x^{4}+1}\right )}{2}\) | \(15\) |
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. 33 vs.
\(2 (6) = 12\).
time = 0.30, size = 33, normalized size = 4.12 \begin {gather*} \frac {1}{4} \, \log \left (\frac {\sqrt {x^{4} + 1}}{x^{2}} + 1\right ) - \frac {1}{4} \, \log \left (\frac {\sqrt {x^{4} + 1}}{x^{2}} - 1\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 16 vs.
\(2 (6) = 12\).
time = 0.36, size = 16, normalized size = 2.00 \begin {gather*} -\frac {1}{2} \, \log \left (-x^{2} + \sqrt {x^{4} + 1}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A]
time = 0.40, size = 5, normalized size = 0.62 \begin {gather*} \frac {\operatorname {asinh}{\left (x^{2} \right )}}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 16 vs.
\(2 (6) = 12\).
time = 2.06, size = 16, normalized size = 2.00 \begin {gather*} -\frac {1}{2} \, \log \left (-x^{2} + \sqrt {x^{4} + 1}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Mupad [B]
time = 1.02, size = 6, normalized size = 0.75 \begin {gather*} \frac {\mathrm {asinh}\left (x^2\right )}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________