Practice problem
Let AAA and BBB be matrices. What is the dimension of ABABAB if A3×1A_{3\times1}A3×1 and B1×6B_{1\times6}B1×6?
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”.
