This question was asked in Multiplication of a Matrix by a scalar
If A=2  -1  3 ,B=  -3  2  -1 then find AB abd BA. 
          -3  2  0            0  5  2 
          5  1  -1           1  -2  1
 Is AB=BA ?
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Preetmultani 6677
Oct. 20, 2020, 6:52 p.m.