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The Cartesian product A × A has 9 elements and two of them are (-1, 0) and (0, 1). Find the set A?

A = {0, 1}
A = {-1, 0, 1}
A = {0, -1}
A = {1, -1,}

Correct Answer: A = {-1, 0, 1}

Explanation:

NA

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