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Find the Value of the Determinant $\left| \begin{array} { l l } 2 & 9 \\5 & 6\end{array} \right|$

Question 346

Multiple Choice

Find the value of the determinant.
- $\left| \begin{array} { l l } 2 & 9 \\5 & 6\end{array} \right|$

A) 57
B) $- 33$
C) 33
D) $- 12$

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