alleryThe determinant of a matrix of order one is worked out from:
AFour entries
BNine entries
COne entry
DTwo entries
Answer & Solution
Correct answer: C. One entry
1. A matrix of order one has a single row and a single column.
2. It therefore holds a single entry.
3. So its determinant comes from that one entry.
_Source: syllabus Mathematics Part I, Chapter 4, Determinants._
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