Let \(A,B\) and \(C\) b three square matrices of the same order. Which of the following is not true always.

\(A+B=B+A\) \(AB=BA\) \(A\left(B+C\right)=AB+AC\) \(A\left(BC\right)=\left(AB\right)C\)

\(AB=BA\)

Matrix multiplication is not commutative