Easy TRUE_FALSE +2 / -1

Matrix multiplication is commutative: AB = BA for all square matrices A and B.

Answer FALSE

Solution

AB ≠ BA in general for matrices. Counterexample: A = [1 0; 0 0], B = [0 1; 0 0] → AB = [0 1; 0 0] but BA = [0 0; 0 0].

About this question

Subject: Mathematics · Chapter: Matrices and Determinants · Topic: Types of Matrices and Operations

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