1.

The matrix \(A = \left[ {\begin{array}{*{20}{c}} { - 4}&{ - 3}&{ - 3}\\ 1&0&1\\ 4&4&x \end{array}} \right]\) is its own adjoint. The value of x will be

A. 5
B. 3
C. -3
D. -5
Answer» C. -3


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