Optimal. Leaf size=24 \[ \sqrt{2} \text{EllipticF}\left (\sin ^{-1}\left (\frac{\sqrt{x+1}}{\sqrt{3}}\right ),-\frac{3}{2}\right ) \]
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Rubi [A] time = 0.0058621, antiderivative size = 24, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.042, Rules used = {119} \[ \sqrt{2} F\left (\sin ^{-1}\left (\frac{\sqrt{x+1}}{\sqrt{3}}\right )|-\frac{3}{2}\right ) \]
Antiderivative was successfully verified.
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Rule 119
Rubi steps
\begin{align*} \int \frac{1}{\sqrt{2-x} \sqrt{1+x} \sqrt{3+x}} \, dx &=\sqrt{2} F\left (\sin ^{-1}\left (\frac{\sqrt{1+x}}{\sqrt{3}}\right )|-\frac{3}{2}\right )\\ \end{align*}
Mathematica [B] time = 0.0752608, size = 67, normalized size = 2.79 \[ -\frac{2 (x+3) \sqrt{1-\frac{5}{x+3}} \sqrt{1-\frac{2}{x+3}} \text{EllipticF}\left (\sin ^{-1}\left (\frac{\sqrt{5}}{\sqrt{x+3}}\right ),\frac{2}{5}\right )}{\sqrt{-5 (x+3)^2+35 (x+3)-50}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.044, size = 34, normalized size = 1.4 \begin{align*} -{\frac{2\,\sqrt{3}}{3}{\it EllipticF} \left ({\frac{1}{2}\sqrt{-2-2\,x}},{\frac{i}{3}}\sqrt{6} \right ) \sqrt{-1-x}{\frac{1}{\sqrt{1+x}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{\sqrt{x + 3} \sqrt{x + 1} \sqrt{-x + 2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (-\frac{\sqrt{x + 3} \sqrt{x + 1} \sqrt{-x + 2}}{x^{3} + 2 \, x^{2} - 5 \, x - 6}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{\sqrt{2 - x} \sqrt{x + 1} \sqrt{x + 3}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{\sqrt{x + 3} \sqrt{x + 1} \sqrt{-x + 2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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