\(\begin{vmatrix} -2 & 1 & 1 \\ 2 & 1 & k \\1 & 3
MATHEMATICS
JAMB 1995
\(\begin{vmatrix} -2 & 1 & 1 \\ 2 & 1 & k \\1 & 3 & -1 \end{vmatrix}\) = 23
- A. 1
- B. 2
- C. 3
- D. 4
Correct Answer: B. 2
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