NCERT Example 13 - Matrices

Question: If A = [[1, -2, 3], [-4, 2, 5]] and B is the 3x2 matrix of NCERT Example 13, find AB and BA; show AB != BA.

Answer: AB is 2x2 and BA is 3x3 (as computed in NCERT); AB != BA.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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