Answer: 4×3.
- A 4×3
- B 3×4
- C 4×4
- D 3×3
Correct answer: A. 4×3
Explanation: Transposing swaps the dimensions, so 3×4 becomes 4×3.
Element aij of matrix A sits at the intersection of row i and column j.
Concept context
Matrix operations, determinants, inverses, and solving linear systems