If {\A}(3,1,-1), {\B} (\frac{5}{3}, \frac{7}{3}, \frac{1}{3}) , {\C}(2,2,1) and {\D} (\frac{10}{3}, \frac{2}{3}, \frac{-1}{3}) are the vertices of a quadrilateral {\ABCD}, then its area is [6 Apr 2024 Shift 1]

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