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If A = {1,3} and B = {2,4}, find A × B. How many subsets will A × B have.

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A × B = {(1,2), (1,4), (3,2), (3,4)}

\n\n

Here, n(A × B) = 2 × 2 = 4

\n\n

Number of subsets in A × B = 2⁴ = 16

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