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What is the value of the determinant of the following 3x3 matrix: $\begin{vmatrix} a&b&c \\ d&e&f \\ g&h&i \end{vmatrix}?$

Can you answer this question?

Answer:  $\begin{vmatrix} a&b&c \\ d&e&f \\ g&h&i \end{vmatrix} = aei+bfg+cdh - (ceg+bdi+afh)$
answered Mar 12, 2013