Crey | 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 m × 3, 3 × 3, m × n, 3 × n

Question

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

Options :

m × 3
3 × 3
m × n
3 × n

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