can some one please help me with the following question: thanks 1234567
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For the first consider: . Now you answer your own question. For the second one, what mean? I have never seen it defined in a 'set' context.
thanks got the help, A^2 and B^2 means the following let A={1,2} and B={3,4} then A^2={{1,1},{1,2},{2,1},{2,2}} B^2={{3,3},{3,4},{4,3},{4,4}}
Originally Posted by 1234567 A^2 and B^2 means the following let A={1,2} and B={3,4} then A^2={{1,1},{1,2},{2,1},{2,2}} B^2={{3,3},{3,4},{4,3},{4,4}} It appears that you mean the cross product. But the notation is incorrect. .
You might also want to think about the situation in which .
thanks for the help.
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