If a matrix has 12 elements, what are the possible orders it can have?
If a matrix has 12 elements, what are the possible orders it can have?
- A. 1 × 12, 12 × 1, 2 × 6, 6 × 2
- B. 3 × 4, 4 × 3
- C. 1 × 12, 12 × 1, 2 × 6, 6 × 2, 3 × 4, 4 × 3
- D. 2 × 6, 6 × 2, 3 × 4, 4 × 3
Answer: C) 1 × 12, 12 × 1, 2 × 6, 6 × 2, 3 × 4, 4 × 3
Explanation: The order of a matrix with 12 elements must be a pair of factors of 12. The pairs are (1, 12), (12, 1), (2, 6), (6, 2), (3, 4), and (4, 3).
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