1.

Given that the determinant of the matrix \(\left[ {\begin{array}{*{20}{c}} 1&3&0\\ 2&6&4\\ { - 1}&0&2 \end{array}} \right]\) is -12, the determinant of the matrix \(\left[ {\begin{array}{*{20}{c}} 2&6&0\\ 4&{12}&8\\ { - 2}&0&4 \end{array}} \right]\) is

A. -96
B. -24
C. 24
D. 96
Answer» B. -24


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