Question
Question: If [1 2 3 ]A = [4 5], the order of matrix A is :...
If [1 2 3 ]A = [4 5], the order of matrix A is :
A
3 × 2
B
3 × 1
C
2 × 3
D
2 × 1
Answer
3 × 2
Explanation
Solution
Order of [1 2 3] is 1 × 3
Order of [4 5] is 1 × 2
\ order of A is 3 × 2