Q57Multiple choice
If A and B are two matrices of the order 3 × m and 3 × n, respectively, and m = n, then the order of matrix (5A – 2B) is
- (A)m×3
- (B)3 × 3
- (C)m × n
- (D)3 × n 0 1
If A and B are two matrices of the order 3 × m and 3 × n, respectively, and m = n, then the order of matrix (5A – 2B) is