Optimal. Leaf size=34 \[ -\frac {3}{32} \sin ^{-1}\left (1-\frac {8 x^2}{3}\right )-\frac {1}{8} \sqrt {3 x^2-4 x^4} \]
________________________________________________________________________________________
Rubi [A] time = 0.06, antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.210, Rules used = {2018, 640, 619, 216} \begin {gather*} -\frac {1}{8} \sqrt {3 x^2-4 x^4}-\frac {3}{32} \sin ^{-1}\left (1-\frac {8 x^2}{3}\right ) \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 216
Rule 619
Rule 640
Rule 2018
Rubi steps
\begin {align*} \int \frac {x^3}{\sqrt {3 x^2-4 x^4}} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {x}{\sqrt {3 x-4 x^2}} \, dx,x,x^2\right )\\ &=-\frac {1}{8} \sqrt {3 x^2-4 x^4}+\frac {3}{16} \operatorname {Subst}\left (\int \frac {1}{\sqrt {3 x-4 x^2}} \, dx,x,x^2\right )\\ &=-\frac {1}{8} \sqrt {3 x^2-4 x^4}-\frac {1}{32} \operatorname {Subst}\left (\int \frac {1}{\sqrt {1-\frac {x^2}{9}}} \, dx,x,3-8 x^2\right )\\ &=-\frac {1}{8} \sqrt {3 x^2-4 x^4}-\frac {3}{32} \sin ^{-1}\left (1-\frac {8 x^2}{3}\right )\\ \end {align*}
________________________________________________________________________________________
Mathematica [A] time = 0.02, size = 57, normalized size = 1.68 \begin {gather*} \frac {x \left (8 x^3+3 \sqrt {4 x^2-3} \tanh ^{-1}\left (\frac {2 x}{\sqrt {4 x^2-3}}\right )-6 x\right )}{16 \sqrt {3 x^2-4 x^4}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
IntegrateAlgebraic [C] time = 0.12, size = 55, normalized size = 1.62 \begin {gather*} -\frac {1}{8} \sqrt {3 x^2-4 x^4}+\frac {3}{32} i \log \left (-8 i x^2+4 \sqrt {3 x^2-4 x^4}+3 i\right ) \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [A] time = 0.78, size = 37, normalized size = 1.09 \begin {gather*} -\frac {1}{8} \, \sqrt {-4 \, x^{4} + 3 \, x^{2}} - \frac {3}{16} \, \arctan \left (\frac {\sqrt {-4 \, x^{4} + 3 \, x^{2}}}{2 \, x^{2}}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [A] time = 0.18, size = 26, normalized size = 0.76 \begin {gather*} -\frac {1}{8} \, \sqrt {-4 \, x^{4} + 3 \, x^{2}} + \frac {3}{32} \, \arcsin \left (\frac {8}{3} \, x^{2} - 1\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [A] time = 0.01, size = 48, normalized size = 1.41 \begin {gather*} \frac {\sqrt {-4 x^{2}+3}\, \left (-2 \sqrt {-4 x^{2}+3}\, x +3 \arcsin \left (\frac {2 \sqrt {3}\, x}{3}\right )\right ) x}{16 \sqrt {-4 x^{4}+3 x^{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [A] time = 3.03, size = 26, normalized size = 0.76 \begin {gather*} -\frac {1}{8} \, \sqrt {-4 \, x^{4} + 3 \, x^{2}} - \frac {3}{32} \, \arcsin \left (-\frac {8}{3} \, x^{2} + 1\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 4.33, size = 42, normalized size = 1.24 \begin {gather*} -\frac {\sqrt {3\,x^2-4\,x^4}}{8}-\frac {\ln \left (x^2-\frac {3}{8}-\frac {\sqrt {3-4\,x^2}\,\sqrt {x^2}\,1{}\mathrm {i}}{2}\right )\,3{}\mathrm {i}}{32} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x^{3}}{\sqrt {- x^{2} \left (4 x^{2} - 3\right )}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________