Practice problem
Let AAA and BBB be matrices. What is the dimension of ABABAB if A4×5A_{4\times5}A4×5 and B3×5B_{3\times5}B3×5?
6×36\times36×3
3×63\times63×6
1×21\times21×2
2×12\times12×1
You can't multiply these matrices.
Type a concept, like “slope” or “photosynthesis”.
