If A={:((1,i),(-i,1))and B={:((i,-1),(-1...

If `A={:((1,i),(-i,1))and B={:((i,-1),(-1,-i)),` find AB and `BA(i=sqrt(-1)).`

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The correct Answer is:

`AB={:((0,0),(0,0)):}` , `BA={:((2i,-2),(-2,-2i)):}`

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