If A = -1, 1 , find A × A × A. - Vidyadip

Question

If A = {-1, 1}, find A × A × A.

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Answer

We have, A = {-1, 1} $\therefore$ A × A = {-1, 1} × {-1, 1} = {(-1, -1), (-1, 1), (1, -1), (1, 1)} $\therefore$ A × A × A = {-1, 1} × {(-1, -1), (-1, 1), (1, -1), (1, 1)} = {(-1, -1, -1), (-1, -1, 1), (-1, 1, -1), (-1, 1, 1), (1, -1, -1), (1, -1, 1), (1, 1, -1), (1, 1, 1)}

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