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1. |
The value of the determinant \[\left| \,\begin{matrix} 4 & -6 & 1\\ -1 & -1 & 1\\ -4 & 11 & -1\,\\ \end{matrix} \right|\]is [RPET 1992] |
A. | -75 |
B. | 25 |
C. | 0 |
D. | -25 |
Answer» E. | |