if A is the proper subset of B prove that A*B is a proper subset of B x C
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take any element in A and B place in it ordered pair then the set get plus ele then that so it is proper
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Answer:
Solution : It is given that
A = {2, 3 }, B = {2}.
Clearly B A and B A
We write B A and say that B is a proper subset of A
Explanation:
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