Question

Find the order of the product matrix AB if

	(i)	(ii)	(iii)	(iv)	(v)
Order of A	3 × 3	4 × 3	4 × 2	4 × 5	1 × 1
Order of B	3 × 3	3 × 2	2 × 2	5 × 1	1 × 3

Answer 1

(i) Order of matrix AB = 3 × 3

(ii) Order of matrix AB = 4 × 2

(iii) Order of matrix AB = 4 × 2

(iv) Order of matrix AB = 4 × 1

(v) Order of matrix AB = 1 × 3