AB: (2×3)(3×2)=2×2, defined. BA: (3×2)(2×3)=3×3, defined. Both are defined but have different orders, so they cannot be equal.
If matrix A is of order 2 × 3 and B of order 3 × 2, then
CUET UG 2023 — Mathematics Algebra
2023mcqeasy
If matrix A is of order 2×3 and B of order 3×2, then
Official previous-year question
Held on 25 May 2023 · Verified 13 Jul 2026.
Options
- A
AB, BA both are defined and are equal
- B
AB is defined but BA is not defined
- C
AB is not defined but BA is defined
- D
AB, BA are defined but are not equal
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