In Exercises 5 and 6, compute the product AB in two ways: (a) by the definition, where Ab₁ and Ab₂ are computed separately, and (b) by the row- column rule for computing AB. 5. A= = -1 2 5 4 2-3 " B = 3 -2 1

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A: Given that ,Prove or disprove that if , then A is row equivalent to B.

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