Question

If A = {1, 2} and B = {a, b} then what is the value of AXB?
{(1, 1), (1, 2), (a, 1), (1, b)}
{(1, a), (1, b), (2, a), (2, 1)}
{(a, 1), (a, 2), (b, 1), (b, 2)}
{(1, a), (1, b), (2, a), (2, b)}

Answer 1

Answer:

{(a,1), (a,2), (b,1), (b,2)

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