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Evaluate the Determinant ∣9247∣\left| \begin{array} { l l } 9 & 2 \\4 & 7\end{array} \right|

Question 70

Multiple Choice

Evaluate the determinant.
- ∣9247∣\left| \begin{array} { l l } 9 & 2 \\4 & 7\end{array} \right|


A) 55
B) -55
C) 71
D) -10

Correct Answer:

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