Exercise 1.1 (Math 9)
Question 1. Find the order of the following matrices. Solution: $$ A = \begin {bmatrix} 2 & 3 \\ -5 & 6 \\ \end{bmatrix} $$ Order of matrix A is 2-by-2 $$ B = \begin {bmatrix} 2 & 0 \\ 3 & 5 \\ \end{bmatrix} $$ Order of matrix B is 2-by-2 $$…