If a and b are two matrices of order 3xm & 3xn respectively and m = n and then find the order of by 5a - 2b
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given that m=n
a=3xm b=3xm then a=b
5a-2b
5a-2a
3a
5b-2b
3b
a=3xm b=3xm then a=b
5a-2b
5a-2a
3a
5b-2b
3b
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