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If A = [[2,-3],[4,5]],B = [[3,2],[-1,2]]...

If A = `[[2,-3],[4,5]]`,B = `[[3,2],[-1,2]]`,then AB != BA.

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JMD PUBLICATION- A Gift paper from the publishers-Example
  1. If A = [[2,-3],[4,5]],B = [[3,2],[-1,2]],then AB != BA.

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