Question:
The matrix \( A = \begin{bmatrix} -2 & 1 & 2
1 & 2 & 1
2 & 1 & -2 \end{bmatrix} \) is:
The matrix \( A = \begin{bmatrix} -2 & 1 & 2
1 & 2 & 1
2 & 1 & -2 \end{bmatrix} \) is:
1 & 2 & 1
2 & 1 & -2 \end{bmatrix} \) is:
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A singular matrix has a zero determinant.
Updated On: July 22, 2025
- Symmetric
- Skew-Symmetric
- Singular
- Orthogonal
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The Correct Option is C
Solution and Explanation
A matrix is singular if its determinant is zero:
\[ \det(A) = 0 \]
\[ \det(A) = 0 \]
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