Question: Question 4: A = {, D, } and B = - {D, O, } A) How many elements are there in (A x BI ?

Question 4: A = {, D, } and B = -

Question 4: A = {, D, } and B = - {D, O, } A) How many elements are there in (A x BI ? B) How many elements are there in (A x B) n (B x A)

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