A) Symmetric
B) Skew-symmetric
C) Non-singular
D) Singular
Correct Answer: C
Solution :
\[\Delta =\left[ \begin{matrix} 1 & 0 & 1 \\ 0 & 1 & 1 \\ 1 & 0 & 0 \\ \end{matrix} \right]=-1\ne 0\], hence matrix is non-singular.You need to login to perform this action.
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