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If A and B are two matrices of order 3 × m and 3 × n respectively and m = n, then the order of 5A − 2B is(a) m × 3(b) 3 × 3(c) m × n(d) 3 × n |
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Answer» If A and B are two matrices of order 3 × m and 3 × n respectively and m = n, then the order of 5A − 2B is (a) m × 3 (b) 3 × 3 (c) m × n (d) 3 × n |
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