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If A = {-3, 3}, form the set A xx A xx A...

If A = {-3, 3}, form the set `A xx A xx A`

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Given that A = {-3, 3}
Now `A xx A = {(-3, -3), (-3, 3), (3, -3), (3, 3)}`
`:. A xx A xx A = {(-3, -3, -3), (-3, -3, 3), (-3, 3, -3), (-3, 3, 3), (3, -3, -3), (3, -3, 3), (3, 3, -3), (3, 3, 3)}`
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