Evaluate \(\begin{vmatrix} 4 & 2 & -1 \\ 2 & 3 & -1 \\ -1
MATHEMATICS
JAMB 2011
Evaluate \(\begin{vmatrix} 4 & 2 & -1 \\ 2 & 3 & -1 \\ -1 & 1 & 3 \end{vmatrix}\)
- A. 25
- B. 45
- C. 15
- D. 55
Correct Answer: A. 25
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