Optimal. Leaf size=216 \[ -\frac {\tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt {e x}}{\sqrt {e} \sqrt [4]{1-x^2}}\right )}{\sqrt {2} \sqrt {e}}+\frac {\tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt {e x}}{\sqrt {e} \sqrt [4]{1-x^2}}\right )}{\sqrt {2} \sqrt {e}}-\frac {\log \left (\sqrt {e}+\frac {\sqrt {e} x}{\sqrt {1-x^2}}-\frac {\sqrt {2} \sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{2 \sqrt {2} \sqrt {e}}+\frac {\log \left (\sqrt {e}+\frac {\sqrt {e} x}{\sqrt {1-x^2}}+\frac {\sqrt {2} \sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{2 \sqrt {2} \sqrt {e}} \]
[Out]
________________________________________________________________________________________
Rubi [A]
time = 0.10, antiderivative size = 216, normalized size of antiderivative = 1.00, number of steps
used = 12, number of rules used = 9, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.375, Rules used = {126, 335, 246,
217, 1179, 642, 1176, 631, 210} \begin {gather*} -\frac {\text {ArcTan}\left (1-\frac {\sqrt {2} \sqrt {e x}}{\sqrt {e} \sqrt [4]{1-x^2}}\right )}{\sqrt {2} \sqrt {e}}+\frac {\text {ArcTan}\left (\frac {\sqrt {2} \sqrt {e x}}{\sqrt {e} \sqrt [4]{1-x^2}}+1\right )}{\sqrt {2} \sqrt {e}}-\frac {\log \left (\frac {\sqrt {e} x}{\sqrt {1-x^2}}-\frac {\sqrt {2} \sqrt {e x}}{\sqrt [4]{1-x^2}}+\sqrt {e}\right )}{2 \sqrt {2} \sqrt {e}}+\frac {\log \left (\frac {\sqrt {e} x}{\sqrt {1-x^2}}+\frac {\sqrt {2} \sqrt {e x}}{\sqrt [4]{1-x^2}}+\sqrt {e}\right )}{2 \sqrt {2} \sqrt {e}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 126
Rule 210
Rule 217
Rule 246
Rule 335
Rule 631
Rule 642
Rule 1176
Rule 1179
Rubi steps
\begin {align*} \int \frac {1}{\sqrt [4]{1-x} \sqrt {e x} \sqrt [4]{1+x}} \, dx &=\int \frac {1}{\sqrt {e x} \sqrt [4]{1-x^2}} \, dx\\ &=\frac {2 \text {Subst}\left (\int \frac {1}{\sqrt [4]{1-\frac {x^4}{e^2}}} \, dx,x,\sqrt {e x}\right )}{e}\\ &=\frac {2 \text {Subst}\left (\int \frac {1}{1+\frac {x^4}{e^2}} \, dx,x,\frac {\sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{e}\\ &=\frac {\text {Subst}\left (\int \frac {e-x^2}{1+\frac {x^4}{e^2}} \, dx,x,\frac {\sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{e^2}+\frac {\text {Subst}\left (\int \frac {e+x^2}{1+\frac {x^4}{e^2}} \, dx,x,\frac {\sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{e^2}\\ &=\frac {1}{2} \text {Subst}\left (\int \frac {1}{e-\sqrt {2} \sqrt {e} x+x^2} \, dx,x,\frac {\sqrt {e x}}{\sqrt [4]{1-x^2}}\right )+\frac {1}{2} \text {Subst}\left (\int \frac {1}{e+\sqrt {2} \sqrt {e} x+x^2} \, dx,x,\frac {\sqrt {e x}}{\sqrt [4]{1-x^2}}\right )-\frac {\text {Subst}\left (\int \frac {\sqrt {2} \sqrt {e}+2 x}{-e-\sqrt {2} \sqrt {e} x-x^2} \, dx,x,\frac {\sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{2 \sqrt {2} \sqrt {e}}-\frac {\text {Subst}\left (\int \frac {\sqrt {2} \sqrt {e}-2 x}{-e+\sqrt {2} \sqrt {e} x-x^2} \, dx,x,\frac {\sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{2 \sqrt {2} \sqrt {e}}\\ &=-\frac {\log \left (\sqrt {e}+\frac {\sqrt {e} x}{\sqrt {1-x^2}}-\frac {\sqrt {2} \sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{2 \sqrt {2} \sqrt {e}}+\frac {\log \left (\sqrt {e}+\frac {\sqrt {e} x}{\sqrt {1-x^2}}+\frac {\sqrt {2} \sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{2 \sqrt {2} \sqrt {e}}+\frac {\text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {\sqrt {2} \sqrt {e x}}{\sqrt {e} \sqrt [4]{1-x^2}}\right )}{\sqrt {2} \sqrt {e}}-\frac {\text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {\sqrt {2} \sqrt {e x}}{\sqrt {e} \sqrt [4]{1-x^2}}\right )}{\sqrt {2} \sqrt {e}}\\ &=-\frac {\tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt {e x}}{\sqrt {e} \sqrt [4]{1-x^2}}\right )}{\sqrt {2} \sqrt {e}}+\frac {\tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt {e x}}{\sqrt {e} \sqrt [4]{1-x^2}}\right )}{\sqrt {2} \sqrt {e}}-\frac {\log \left (\sqrt {e}+\frac {\sqrt {e} x}{\sqrt {1-x^2}}-\frac {\sqrt {2} \sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{2 \sqrt {2} \sqrt {e}}+\frac {\log \left (\sqrt {e}+\frac {\sqrt {e} x}{\sqrt {1-x^2}}+\frac {\sqrt {2} \sqrt {e x}}{\sqrt [4]{1-x^2}}\right )}{2 \sqrt {2} \sqrt {e}}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A]
time = 0.19, size = 97, normalized size = 0.45 \begin {gather*} \frac {\sqrt {x} \left (\tan ^{-1}\left (\frac {\sqrt {2} \sqrt {x} \sqrt [4]{1-x^2}}{-x+\sqrt {1-x^2}}\right )+\tanh ^{-1}\left (\frac {\sqrt {2} \sqrt {x} \sqrt [4]{1-x^2}}{x+\sqrt {1-x^2}}\right )\right )}{\sqrt {2} \sqrt {e x}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [F]
time = 0.02, size = 0, normalized size = 0.00 \[\int \frac {1}{\left (1-x \right )^{\frac {1}{4}} \sqrt {e x}\, \left (1+x \right )^{\frac {1}{4}}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \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. 315 vs.
\(2 (139) = 278\).
time = 1.08, size = 315, normalized size = 1.46 \begin {gather*} \sqrt {2} \arctan \left (-\frac {\sqrt {2} {\left (x + 1\right )}^{\frac {3}{4}} \sqrt {x} {\left (-x + 1\right )}^{\frac {3}{4}} + x^{2} - \sqrt {2} {\left (x^{2} - 1\right )} \sqrt {\frac {\sqrt {2} {\left (x + 1\right )}^{\frac {3}{4}} \sqrt {x} {\left (-x + 1\right )}^{\frac {3}{4}} + x^{2} - \sqrt {x + 1} x \sqrt {-x + 1} - 1}{x^{2} - 1}} - 1}{x^{2} - 1}\right ) e^{\left (-\frac {1}{2}\right )} + \sqrt {2} \arctan \left (-\frac {\sqrt {2} {\left (x + 1\right )}^{\frac {3}{4}} \sqrt {x} {\left (-x + 1\right )}^{\frac {3}{4}} - x^{2} - \sqrt {2} {\left (x^{2} - 1\right )} \sqrt {-\frac {\sqrt {2} {\left (x + 1\right )}^{\frac {3}{4}} \sqrt {x} {\left (-x + 1\right )}^{\frac {3}{4}} - x^{2} + \sqrt {x + 1} x \sqrt {-x + 1} + 1}{x^{2} - 1}} + 1}{x^{2} - 1}\right ) e^{\left (-\frac {1}{2}\right )} - \frac {1}{4} \, \sqrt {2} e^{\left (-\frac {1}{2}\right )} \log \left (\frac {\sqrt {2} {\left (x + 1\right )}^{\frac {3}{4}} \sqrt {x} {\left (-x + 1\right )}^{\frac {3}{4}} + x^{2} - \sqrt {x + 1} x \sqrt {-x + 1} - 1}{x^{2} - 1}\right ) + \frac {1}{4} \, \sqrt {2} e^{\left (-\frac {1}{2}\right )} \log \left (-\frac {\sqrt {2} {\left (x + 1\right )}^{\frac {3}{4}} \sqrt {x} {\left (-x + 1\right )}^{\frac {3}{4}} - x^{2} + \sqrt {x + 1} x \sqrt {-x + 1} + 1}{x^{2} - 1}\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 = 6.90, size = 90, normalized size = 0.42 \begin {gather*} - \frac {i {G_{6, 6}^{6, 2}\left (\begin {matrix} \frac {3}{8}, \frac {7}{8} & \frac {1}{2}, \frac {3}{4}, 1, 1 \\0, \frac {3}{8}, \frac {1}{2}, \frac {7}{8}, 1, 0 & \end {matrix} \middle | {\frac {e^{- 2 i \pi }}{x^{2}}} \right )} e^{\frac {i \pi }{4}}}{4 \pi \sqrt {e} \Gamma \left (\frac {1}{4}\right )} - \frac {{G_{6, 6}^{2, 6}\left (\begin {matrix} - \frac {1}{4}, - \frac {1}{8}, \frac {1}{4}, \frac {3}{8}, \frac {3}{4}, 1 & \\- \frac {1}{8}, \frac {3}{8} & - \frac {1}{4}, 0, \frac {1}{4}, 0 \end {matrix} \middle | {\frac {1}{x^{2}}} \right )}}{4 \pi \sqrt {e} \Gamma \left (\frac {1}{4}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {1}{\sqrt {e\,x}\,{\left (1-x\right )}^{1/4}\,{\left (x+1\right )}^{1/4}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________