alleryA determinant of zero means the matrix is:
ASingular
BInvertible
CSymmetric
DRectangle
Answer & Solution
Correct answer: A. Singular
1. A matrix with zero determinant has no inverse.
2. Such matrices have their own name.
3. They are called singular.
4. So the answer is singular.
_Source: syllabus Mathematics, Ch 4 'Determinants'_
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