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Find the Value of the Determinant $\left| \begin{array} { r r } 12 & - 7 \\- 4 & 3\end{array} \right|$

Question 230

Multiple Choice

Find the value of the determinant.
- $\left| \begin{array} { r r } 12 & - 7 \\- 4 & 3\end{array} \right|$

A) 4
B) 8
C) 64
D) -8

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