Question

If A=(2 1 2 3 ) and B=(3 2 0 1 0 4 ) ,find AB .Find BA ,if it exists.​

Answer 1

Answer:

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Step-by-step explanation:

AB= {(2,3)(2,2)(2,0)(2,1)(2,0)(2,4)(1,3)(1,2)(1,0)(1,1)(1,0)(1,4)(2,3)(2,2)(2,0)(2,1)(2,0)(2,4)(3,3)(3,2)(3,0)(3,1)(3,0)(3,4)}