Question

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The cartesian product A × A has 9 elements among which are found (- 1, 0) and (0 ,1) .Find the set a and the remaining elements of A x A.

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Answer 1

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State whether each of the following statements are true or false. If the statement is false rewrite the given statement correctly

(i) If P={m,n} and Q={n,m} then P×Q={(m,n),(n,m)}

(ii) If A and B are non-empty sets then A×B is a non-empty set of ordered pairs (x,y) such that x∈A and y∈B

(iii) If A={1,2},B={3,4} then A×(B∩ϕ)=ϕ

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