Find the Determinant Of $\left[ \begin{array} { c c c } 3 & - 2 & 8 \\- 3 & 2 & - 6 \\1 & - 3 & 6\end{array} \right]$

question 259

Multiple Choice

Find the determinant of $\left[ \begin{array} { c c c } 3 & - 2 & 8 \\- 3 & 2 & - 6 \\1 & - 3 & 6\end{array} \right]$ by the method of expansion by cofactors using row 2.

• A)14
• B)-14
• C)24
• D)34
• E)4

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