if AB = [1 1] [3 4] and = [1 -1] [1 2], find A I know it's a simple question, i am just not sure if
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Originally Posted by wopashui if AB = [1 1] [3 4] and = [1 -1] [1 2], find A I know it's a simple question, i am just not sure if Yes. Tonio
By the "associative law", . By the definition of "multiplicative inverse", and by the definition of "multiplicative identity", .